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    <link:label id="lab_srt_OwnershipAxis_BAA6A15D4B503355E5E2A77096495188_terseLabel_en-US" xlink:label="lab_srt_OwnershipAxis_BAA6A15D4B503355E5E2A77096495188" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ownership [Axis]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_OwnershipAxis" xlink:label="loc_srt_OwnershipAxis_BAA6A15D4B503355E5E2A77096495188" xlink:type="locator" />
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    <link:label id="lab_mac_TheMacerichCompanyMember_9D15B77E92F76A830A9CA770964F2C34_label_en-US" xlink:label="lab_mac_TheMacerichCompanyMember_9D15B77E92F76A830A9CA770964F2C34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Macerich Company [Member]</link:label>
    <link:label id="lab_mac_TheMacerichCompanyMember_9D15B77E92F76A830A9CA770964F2C34_documentation_en-US" xlink:label="lab_mac_TheMacerichCompanyMember_9D15B77E92F76A830A9CA770964F2C34" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Macerich Company [Member]</link:label>
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    <link:label id="lab_dei_LegalEntityAxis_D39C42276F3A8A8A09DFA770964FE1B1_terseLabel_en-US" xlink:label="lab_dei_LegalEntityAxis_D39C42276F3A8A8A09DFA770964FE1B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:label id="lab_dei_LegalEntityAxis_D39C42276F3A8A8A09DFA770964FE1B1_label_en-US" xlink:label="lab_dei_LegalEntityAxis_D39C42276F3A8A8A09DFA770964FE1B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
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    <link:label id="lab_dei_EntityDomain_EF91427D74C1C5595FC1A770964F0C7C_terseLabel_en-US" xlink:label="lab_dei_EntityDomain_EF91427D74C1C5595FC1A770964F0C7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:label id="lab_dei_EntityDomain_EF91427D74C1C5595FC1A770964F0C7C_label_en-US" xlink:label="lab_dei_EntityDomain_EF91427D74C1C5595FC1A770964F0C7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_EF91427D74C1C5595FC1A770964F0C7C" xlink:type="locator" />
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    <link:label id="lab_mac_TheMacerichPartnershipLPMember_A2FC9E8885C330F7161CA77096503EE4_terseLabel_en-US" xlink:label="lab_mac_TheMacerichPartnershipLPMember_A2FC9E8885C330F7161CA77096503EE4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The Macerich Partnership, L.P.</link:label>
    <link:label id="lab_mac_TheMacerichPartnershipLPMember_A2FC9E8885C330F7161CA77096503EE4_label_en-US" xlink:label="lab_mac_TheMacerichPartnershipLPMember_A2FC9E8885C330F7161CA77096503EE4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Macerich Partnership, L.P. [Member]</link:label>
    <link:label id="lab_mac_TheMacerichPartnershipLPMember_A2FC9E8885C330F7161CA77096503EE4_documentation_en-US" xlink:label="lab_mac_TheMacerichPartnershipLPMember_A2FC9E8885C330F7161CA77096503EE4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the information pertaining to real estate property of the entity, The Macerich Partnership, L.P.</link:label>
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    <link:label id="lab_us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems_C4A6178F1EDE95D70D47A7709650F3C4_terseLabel_en-US" xlink:label="lab_us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems_C4A6178F1EDE95D70D47A7709650F3C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsidiary of Limited Liability Company or Limited Partnership [Line Items]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems" xlink:label="loc_us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems_C4A6178F1EDE95D70D47A7709650F3C4" xlink:type="locator" />
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    <link:label id="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_6504816B46A0A8956E14A7709650CB75_terseLabel_en-US" xlink:label="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_6504816B46A0A8956E14A7709650CB75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ownership interest in operating partnership</link:label>
    <link:label id="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_6504816B46A0A8956E14A7709650CB75_label_en-US" xlink:label="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_6504816B46A0A8956E14A7709650CB75" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest, Ownership Percentage by Parent</link:label>
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    <link:label id="lab_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_867CC312CBEB8FE226D5A770965001AE_terseLabel_en-US" xlink:label="lab_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_867CC312CBEB8FE226D5A770965001AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Limited partnership interest of the operating partnership</link:label>
    <link:label id="lab_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_867CC312CBEB8FE226D5A770965001AE_label_en-US" xlink:label="lab_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_867CC312CBEB8FE226D5A770965001AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners</link:label>
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    <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_6B1AD92F5946B8005B28A77096517CF2_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_6B1AD92F5946B8005B28A77096517CF2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock, par value (in dollars per share)</link:label>
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    <link:label id="lab_mac_MinorityInterestRedemptionValueBasisNumberOfTradingDays_47BDBD867489AC0C1196A77096513954_terseLabel_en-US" xlink:label="lab_mac_MinorityInterestRedemptionValueBasisNumberOfTradingDays_47BDBD867489AC0C1196A77096513954" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of trading days used to calculate redemption value</link:label>
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    <link:label id="lab_mac_MinorityInterestRedemptionValue_2AF655A0BAB0FE424AB0A77096512943_documentation_en-US" xlink:label="lab_mac_MinorityInterestRedemptionValue_2AF655A0BAB0FE424AB0A77096512943" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the aggregate redemption value for the noncontrolling interest.</link:label>
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    <link:label id="lab_us-gaap_RelatedPartyTransactionsAbstract_D2FD29D91C30BCDB99A1F35FCC451791_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsAbstract_D2FD29D91C30BCDB99A1F35FCC451791" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transactions [Abstract]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_562348F547C7DB467A5AAC45A024F324" xlink:type="locator" />
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_D8495697FF2FE057AB45AC45A026148E" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_D8495697FF2FE057AB45AC45A026148E" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97245E2E19D9CE4931E2AC45A026EC34_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97245E2E19D9CE4931E2AC45A026EC34" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from financing activities:</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_97245E2E19D9CE4931E2AC45A026EC34" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_962A9BD64CE8C2EECD9DAC45A0266B96_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_962A9BD64CE8C2EECD9DAC45A0266B96" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from mortgages, bank and other notes payable</link:label>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_962A9BD64CE8C2EECD9DAC45A0266B96_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_962A9BD64CE8C2EECD9DAC45A0266B96" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Long-term Debt and Capital Securities, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_962A9BD64CE8C2EECD9DAC45A0266B96" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_962A9BD64CE8C2EECD9DAC45A0266B96" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_962A9BD64CE8C2EECD9DAC45A0266B96" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_5E5E522BE163C7AF87C6AC45A0269939_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_5E5E522BE163C7AF87C6AC45A0269939" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments on mortgages, bank and other notes payable</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_5E5E522BE163C7AF87C6AC45A0269939_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_5E5E522BE163C7AF87C6AC45A0269939" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_5E5E522BE163C7AF87C6AC45A0269939" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_5E5E522BE163C7AF87C6AC45A0269939" xlink:to="lab_us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities_5E5E522BE163C7AF87C6AC45A0269939" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsOfFinancingCosts_3B24F58BD102923821E7AC45A027080B_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfFinancingCosts_3B24F58BD102923821E7AC45A027080B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Deferred financing costs</link:label>
    <link:label id="lab_us-gaap_PaymentsOfFinancingCosts_3B24F58BD102923821E7AC45A027080B_label_en-US" xlink:label="lab_us-gaap_PaymentsOfFinancingCosts_3B24F58BD102923821E7AC45A027080B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Financing Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_3B24F58BD102923821E7AC45A027080B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfFinancingCosts_3B24F58BD102923821E7AC45A027080B" xlink:to="lab_us-gaap_PaymentsOfFinancingCosts_3B24F58BD102923821E7AC45A027080B" xlink:type="arc" />
    <link:label id="lab_mac_PaymentofFinanceDeposits_79F9E0D2BF9E2C557CFFAC45A02742EF_terseLabel_en-US" xlink:label="lab_mac_PaymentofFinanceDeposits_79F9E0D2BF9E2C557CFFAC45A02742EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payment of finance deposits</link:label>
    <link:label id="lab_mac_PaymentofFinanceDeposits_79F9E0D2BF9E2C557CFFAC45A02742EF_label_en-US" xlink:label="lab_mac_PaymentofFinanceDeposits_79F9E0D2BF9E2C557CFFAC45A02742EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payment of Finance Deposits</link:label>
    <link:label id="lab_mac_PaymentofFinanceDeposits_79F9E0D2BF9E2C557CFFAC45A02742EF_documentation_en-US" xlink:label="lab_mac_PaymentofFinanceDeposits_79F9E0D2BF9E2C557CFFAC45A02742EF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payment of Finance Deposits</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_PaymentofFinanceDeposits" xlink:label="loc_mac_PaymentofFinanceDeposits_79F9E0D2BF9E2C557CFFAC45A02742EF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_PaymentofFinanceDeposits_79F9E0D2BF9E2C557CFFAC45A02742EF" xlink:to="lab_mac_PaymentofFinanceDeposits_79F9E0D2BF9E2C557CFFAC45A02742EF" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromStockPlans_606F1469BD0BD343D998AC45A0273AFE_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromStockPlans_606F1469BD0BD343D998AC45A0273AFE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from share and unit-based plans</link:label>
    <link:label id="lab_us-gaap_ProceedsFromStockPlans_606F1469BD0BD343D998AC45A0273AFE_label_en-US" xlink:label="lab_us-gaap_ProceedsFromStockPlans_606F1469BD0BD343D998AC45A0273AFE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Stock Plans</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromStockPlans" xlink:label="loc_us-gaap_ProceedsFromStockPlans_606F1469BD0BD343D998AC45A0273AFE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromStockPlans_606F1469BD0BD343D998AC45A0273AFE" xlink:to="lab_us-gaap_ProceedsFromStockPlans_606F1469BD0BD343D998AC45A0273AFE" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_09B62BF43384942F0F30AC45A0270CCB_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_09B62BF43384942F0F30AC45A0270CCB" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Stock repurchases</link:label>
    <link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_09B62BF43384942F0F30AC45A0270CCB_label_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_09B62BF43384942F0F30AC45A0270CCB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Repurchase of Common Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_09B62BF43384942F0F30AC45A0270CCB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_09B62BF43384942F0F30AC45A0270CCB" xlink:to="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_09B62BF43384942F0F30AC45A0270CCB" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToMinorityShareholders_2B560CD88B830A0561B6AC45A027240D_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToMinorityShareholders_2B560CD88B830A0561B6AC45A027240D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Redemption of noncontrolling interests</link:label>
    <link:label id="lab_us-gaap_PaymentsToMinorityShareholders_2B560CD88B830A0561B6AC45A027240D_label_en-US" xlink:label="lab_us-gaap_PaymentsToMinorityShareholders_2B560CD88B830A0561B6AC45A027240D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Noncontrolling Interests</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToMinorityShareholders" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_2B560CD88B830A0561B6AC45A027240D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromMinorityShareholders_3F1D5045BD6989B7E0F1AC45A027B705_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromMinorityShareholders_3F1D5045BD6989B7E0F1AC45A027B705" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued development costs included in accounts payable and accrued expenses and other accrued liabilities</link:label>
    <link:label id="lab_us-gaap_ProceedsFromMinorityShareholders_3F1D5045BD6989B7E0F1AC45A027B705_label_en-US" xlink:label="lab_us-gaap_ProceedsFromMinorityShareholders_3F1D5045BD6989B7E0F1AC45A027B705" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Noncontrolling Interests</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders" xlink:label="loc_us-gaap_ProceedsFromMinorityShareholders_3F1D5045BD6989B7E0F1AC45A027B705" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_23FE84113DBFD3504B45AC45A02811A0_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_23FE84113DBFD3504B45AC45A02811A0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Dividends and distributions</link:label>
    <link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_23FE84113DBFD3504B45AC45A02811A0_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_23FE84113DBFD3504B45AC45A02811A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Ordinary Dividends, Common Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_23FE84113DBFD3504B45AC45A02811A0" xlink:type="locator" />
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    <link:label id="lab_mac_DistributionsToCoVenturePartner_397BA7C8BABEC5A33DCDAC45A028D0BF_negatedLabel_en-US" xlink:label="lab_mac_DistributionsToCoVenturePartner_397BA7C8BABEC5A33DCDAC45A028D0BF" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Distributions to co-venture partner</link:label>
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    <link:label id="lab_mac_DistributionsToCoVenturePartner_397BA7C8BABEC5A33DCDAC45A028D0BF_documentation_en-US" xlink:label="lab_mac_DistributionsToCoVenturePartner_397BA7C8BABEC5A33DCDAC45A028D0BF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This element represents the distributions to co - venture partner.</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_64585D198372D7DC5FE4AC45A02804A8_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_64585D198372D7DC5FE4AC45A02804A8" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used in financing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_64585D198372D7DC5FE4AC45A02804A8_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_64585D198372D7DC5FE4AC45A02804A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_64585D198372D7DC5FE4AC45A02804A8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_41C0E6CFCDE331D6E86EAC45A0287ECB_totalLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_41C0E6CFCDE331D6E86EAC45A0287ECB" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net increase (decrease) in cash, cash equivalents and restricted cash</link:label>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_41C0E6CFCDE331D6E86EAC45A0287ECB_label_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_41C0E6CFCDE331D6E86EAC45A0287ECB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect</link:label>
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    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_12B884E7E94C9BFF11C13D50F3932AD5_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_12B884E7E94C9BFF11C13D50F3932AD5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_12B884E7E94C9BFF11C13D50F3932AD5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_12B884E7E94C9BFF11C13D50F3932AD5" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_12B884E7E94C9BFF11C13D50F3932AD5" xlink:type="arc" />
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_DD4A4F16C8247B938BD83D50F393CA2D_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_DD4A4F16C8247B938BD83D50F393CA2D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized compensation cost of share and unit-based plans</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_DD4A4F16C8247B938BD83D50F393CA2D_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_DD4A4F16C8247B938BD83D50F393CA2D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_DD4A4F16C8247B938BD83D50F393CA2D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_DD4A4F16C8247B938BD83D50F393CA2D" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_DD4A4F16C8247B938BD83D50F393CA2D" xlink:type="arc" />
    <link:label id="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_DB2B35AC2D0B15851F56A77097AAC209_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_DB2B35AC2D0B15851F56A77097AAC209" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment, Name [Axis]</link:label>
    <link:label id="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_DB2B35AC2D0B15851F56A77097AAC209_label_en-US" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_DB2B35AC2D0B15851F56A77097AAC209" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Name [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_DB2B35AC2D0B15851F56A77097AAC209" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_DB2B35AC2D0B15851F56A77097AAC209" xlink:to="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_DB2B35AC2D0B15851F56A77097AAC209" xlink:type="arc" />
    <link:label id="lab_srt_EquityMethodInvesteeNameDomain_E9EFB7F3756FDA9812C1A77097AAB4F5_terseLabel_en-US" xlink:label="lab_srt_EquityMethodInvesteeNameDomain_E9EFB7F3756FDA9812C1A77097AAB4F5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment, Name [Domain]</link:label>
    <link:label id="lab_srt_EquityMethodInvesteeNameDomain_E9EFB7F3756FDA9812C1A77097AAB4F5_label_en-US" xlink:label="lab_srt_EquityMethodInvesteeNameDomain_E9EFB7F3756FDA9812C1A77097AAB4F5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_EquityMethodInvesteeNameDomain" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_E9EFB7F3756FDA9812C1A77097AAB4F5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_E9EFB7F3756FDA9812C1A77097AAB4F5" xlink:to="lab_srt_EquityMethodInvesteeNameDomain_E9EFB7F3756FDA9812C1A77097AAB4F5" xlink:type="arc" />
    <link:label id="lab_mac_PacificPremierRetailLPMember_55DC5333AB00A749D157A77097ABD6AE_terseLabel_en-US" xlink:label="lab_mac_PacificPremierRetailLPMember_55DC5333AB00A749D157A77097ABD6AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PPR Portfolio</link:label>
    <link:label id="lab_mac_PacificPremierRetailLPMember_55DC5333AB00A749D157A77097ABD6AE_label_en-US" xlink:label="lab_mac_PacificPremierRetailLPMember_55DC5333AB00A749D157A77097ABD6AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pacific Premier Retail LP [Member]</link:label>
    <link:label id="lab_mac_PacificPremierRetailLPMember_55DC5333AB00A749D157A77097ABD6AE_documentation_en-US" xlink:label="lab_mac_PacificPremierRetailLPMember_55DC5333AB00A749D157A77097ABD6AE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents Pacific Premier Retail LP, a joint venture in which the entity has made investment.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_PacificPremierRetailLPMember" xlink:label="loc_mac_PacificPremierRetailLPMember_55DC5333AB00A749D157A77097ABD6AE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_PacificPremierRetailLPMember_55DC5333AB00A749D157A77097ABD6AE" xlink:to="lab_mac_PacificPremierRetailLPMember_55DC5333AB00A749D157A77097ABD6AE" xlink:type="arc" />
    <link:label id="lab_mac_OtherJointVenturesMember_448541D17368289DC566A77097AB4597_terseLabel_en-US" xlink:label="lab_mac_OtherJointVenturesMember_448541D17368289DC566A77097AB4597" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Joint Ventures</link:label>
    <link:label id="lab_mac_OtherJointVenturesMember_448541D17368289DC566A77097AB4597_label_en-US" xlink:label="lab_mac_OtherJointVenturesMember_448541D17368289DC566A77097AB4597" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Joint Ventures [Member]</link:label>
    <link:label id="lab_mac_OtherJointVenturesMember_448541D17368289DC566A77097AB4597_documentation_en-US" xlink:label="lab_mac_OtherJointVenturesMember_448541D17368289DC566A77097AB4597" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents other joint ventures in which the entity participates, not specifically identified.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_OtherJointVenturesMember" xlink:label="loc_mac_OtherJointVenturesMember_448541D17368289DC566A77097AB4597" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_OtherJointVenturesMember_448541D17368289DC566A77097AB4597" xlink:to="lab_mac_OtherJointVenturesMember_448541D17368289DC566A77097AB4597" xlink:type="arc" />
    <link:label id="lab_us-gaap_RevenuesAbstract_CCCE76EB8E82C27D2064A77097ABBA01_verboseLabel_en-US" xlink:label="lab_us-gaap_RevenuesAbstract_CCCE76EB8E82C27D2064A77097ABBA01" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Revenues:</link:label>
    <link:label id="lab_us-gaap_RevenuesAbstract_CCCE76EB8E82C27D2064A77097ABBA01_label_en-US" xlink:label="lab_us-gaap_RevenuesAbstract_CCCE76EB8E82C27D2064A77097ABBA01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenues [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaap_RevenuesAbstract_CCCE76EB8E82C27D2064A77097ABBA01" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenuesAbstract_CCCE76EB8E82C27D2064A77097ABBA01" xlink:to="lab_us-gaap_RevenuesAbstract_CCCE76EB8E82C27D2064A77097ABBA01" xlink:type="arc" />
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue_EE9275B0388C070FE13CA77097ACFEE7_terseLabel_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue_EE9275B0388C070FE13CA77097ACFEE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum rents</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue_EE9275B0388C070FE13CA77097ACFEE7_label_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue_EE9275B0388C070FE13CA77097ACFEE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Minimum Lease Revenue</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue_EE9275B0388C070FE13CA77097ACFEE7_documentation_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue_EE9275B0388C070FE13CA77097ACFEE7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The total amount of lease revenue recognized for the period for which the lessee was obligated under leasing arrangements regardless of any other events or conditions, reported by an equity method investment of the entity.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue" xlink:label="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue_EE9275B0388C070FE13CA77097ACFEE7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue_EE9275B0388C070FE13CA77097ACFEE7" xlink:to="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationMinimumLeaseRevenue_EE9275B0388C070FE13CA77097ACFEE7" xlink:type="arc" />
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent_A61AE02C1F72EAD926E4A77097ACD2C5_terseLabel_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent_A61AE02C1F72EAD926E4A77097ACD2C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage rents</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent_A61AE02C1F72EAD926E4A77097ACD2C5_label_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent_A61AE02C1F72EAD926E4A77097ACD2C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Percentage Rent</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent_A61AE02C1F72EAD926E4A77097ACD2C5_documentation_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent_A61AE02C1F72EAD926E4A77097ACD2C5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This element represents the rental revenue earned during the period from lessee-operators based on revenues generated in their operations, generally in excess of a base amount, reported by an equity method investment of the entity.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent" xlink:label="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent_A61AE02C1F72EAD926E4A77097ACD2C5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent_A61AE02C1F72EAD926E4A77097ACD2C5" xlink:to="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationPercentageRent_A61AE02C1F72EAD926E4A77097ACD2C5" xlink:type="arc" />
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements_2E7C7ED825CAB9BC1E59A77097ACBE12_terseLabel_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements_2E7C7ED825CAB9BC1E59A77097ACBE12" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tenant recoveries</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements_2E7C7ED825CAB9BC1E59A77097ACBE12_label_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements_2E7C7ED825CAB9BC1E59A77097ACBE12" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Tenant Reimbursements</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements_2E7C7ED825CAB9BC1E59A77097ACBE12_documentation_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements_2E7C7ED825CAB9BC1E59A77097ACBE12" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This element represents allowable charges due a landlord from its tenant for the period, reported by an equity method investment of the entity.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements" xlink:label="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements_2E7C7ED825CAB9BC1E59A77097ACBE12" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements_2E7C7ED825CAB9BC1E59A77097ACBE12" xlink:to="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationTenantReimbursements_2E7C7ED825CAB9BC1E59A77097ACBE12" xlink:type="arc" />
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue_D58E1085D022812AB531A77097ACAC20_terseLabel_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue_D58E1085D022812AB531A77097ACAC20" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue_D58E1085D022812AB531A77097ACAC20_label_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue_D58E1085D022812AB531A77097ACAC20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Other Revenue</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue_D58E1085D022812AB531A77097ACAC20_documentation_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue_D58E1085D022812AB531A77097ACAC20" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The sum of all other revenue and income for the period reported by an equity method investment of the entity.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue" xlink:label="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue_D58E1085D022812AB531A77097ACAC20" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue_D58E1085D022812AB531A77097ACAC20" xlink:to="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationOtherRevenue_D58E1085D022812AB531A77097ACAC20" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_DCC58C4F673590A3D48DA77097AD891C_totalLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_DCC58C4F673590A3D48DA77097AD891C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total revenues</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_DCC58C4F673590A3D48DA77097AD891C_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_DCC58C4F673590A3D48DA77097AD891C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Revenue</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_DCC58C4F673590A3D48DA77097AD891C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_DCC58C4F673590A3D48DA77097AD891C" xlink:to="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_DCC58C4F673590A3D48DA77097AD891C" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingExpensesAbstract_5F23103D070ED6CEAD33A77097ADAD55_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_5F23103D070ED6CEAD33A77097ADAD55" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenses:</link:label>
    <link:label id="lab_us-gaap_OperatingExpensesAbstract_5F23103D070ED6CEAD33A77097ADAD55_label_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_5F23103D070ED6CEAD33A77097ADAD55" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Expenses [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract_5F23103D070ED6CEAD33A77097ADAD55" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpensesAbstract_5F23103D070ED6CEAD33A77097ADAD55" xlink:to="lab_us-gaap_OperatingExpensesAbstract_5F23103D070ED6CEAD33A77097ADAD55" xlink:type="arc" />
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue_918DD97431C348047C91A77097ADA8D6_terseLabel_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue_918DD97431C348047C91A77097ADA8D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shopping center and operating expenses</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue_918DD97431C348047C91A77097ADA8D6_label_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue_918DD97431C348047C91A77097ADA8D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Cost of Real Estate Revenue</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue_918DD97431C348047C91A77097ADA8D6_documentation_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue_918DD97431C348047C91A77097ADA8D6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This element represents the total of the costs related to real estate revenues reported for the period by an equity method investment of the entity.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue" xlink:label="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue_918DD97431C348047C91A77097ADA8D6" xlink:type="locator" />
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    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense_88A6752D7D31FF0D9304A77097AD201B_terseLabel_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense_88A6752D7D31FF0D9304A77097AD201B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest expense</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense_88A6752D7D31FF0D9304A77097AD201B_label_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense_88A6752D7D31FF0D9304A77097AD201B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Interest Expense</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense_88A6752D7D31FF0D9304A77097AD201B_documentation_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationInterestExpense_88A6752D7D31FF0D9304A77097AD201B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cost of borrowed funds accounted for as interest that was charged against earnings during the period by an equity method investment of the entity.</link:label>
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    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_C98DBAB69067E9EC0ED3A77097AD85CD_terseLabel_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_C98DBAB69067E9EC0ED3A77097AD85CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_C98DBAB69067E9EC0ED3A77097AD85CD_label_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_C98DBAB69067E9EC0ED3A77097AD85CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Depreciation and Amortization</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_C98DBAB69067E9EC0ED3A77097AD85CD_documentation_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_C98DBAB69067E9EC0ED3A77097AD85CD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The current period expense charged against earnings for depreciation and amortization on long-lived, physical assets not used in production, and which are not intended for resale, reported by an equity method investment of the entity.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization" xlink:label="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_C98DBAB69067E9EC0ED3A77097AD85CD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_C98DBAB69067E9EC0ED3A77097AD85CD" xlink:to="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_C98DBAB69067E9EC0ED3A77097AD85CD" xlink:type="arc" />
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_F72BDD52DF5471AF6455A77097AE2E5A_totalLabel_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_F72BDD52DF5471AF6455A77097AE2E5A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total operating expenses</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_F72BDD52DF5471AF6455A77097AE2E5A_label_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_F72BDD52DF5471AF6455A77097AE2E5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Operating Expenses</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_F72BDD52DF5471AF6455A77097AE2E5A_documentation_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_F72BDD52DF5471AF6455A77097AE2E5A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Generally recurring costs associated with normal operations for the period reported by an equity method investment of the entity.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses" xlink:label="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_F72BDD52DF5471AF6455A77097AE2E5A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_F72BDD52DF5471AF6455A77097AE2E5A" xlink:to="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_F72BDD52DF5471AF6455A77097AE2E5A" xlink:type="arc" />
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets_89A6A61A3B40442EBBDEA77097AE4B0C_verboseLabel_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets_89A6A61A3B40442EBBDEA77097AE4B0C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">(Loss) gain on sale or write down of assets, net</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets_89A6A61A3B40442EBBDEA77097AE4B0C_label_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets_89A6A61A3B40442EBBDEA77097AE4B0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Gain (Loss) on Sale and Remeasurement of Assets</link:label>
    <link:label id="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets_89A6A61A3B40442EBBDEA77097AE4B0C_documentation_en-US" xlink:label="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets_89A6A61A3B40442EBBDEA77097AE4B0C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the amount of gain or loss resulting from either the difference between the carrying value and the sales price or remeasurement of the carrying value of assets during the period, reported by an equity method investment of the entity.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets" xlink:label="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets_89A6A61A3B40442EBBDEA77097AE4B0C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets_89A6A61A3B40442EBBDEA77097AE4B0C" xlink:to="lab_mac_EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleAndRemeasurementOfAssets_89A6A61A3B40442EBBDEA77097AE4B0C" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_87298707722FBED9F4C3A77097AEC1FD_totalLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_87298707722FBED9F4C3A77097AEC1FD" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net (loss) income</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_87298707722FBED9F4C3A77097AEC1FD_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_87298707722FBED9F4C3A77097AEC1FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Net Income (Loss)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_87298707722FBED9F4C3A77097AEC1FD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_87298707722FBED9F4C3A77097AEC1FD" xlink:to="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_87298707722FBED9F4C3A77097AEC1FD" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_4927AB8272742B1E4860A77097AE3323_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments_4927AB8272742B1E4860A77097AE3323" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Company's equity in net (loss) income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_4927AB8272742B1E4860A77097AE3323" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromEquityMethodInvestments_4927AB8272742B1E4860A77097AE3323" xlink:to="lab_us-gaap_IncomeLossFromEquityMethodInvestments_4927AB8272742B1E4860A77097AE3323" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_C37CBF3D161A629FA08EA7709850E650_label_en-US" xlink:label="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_C37CBF3D161A629FA08EA7709850E650" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Comprehensive Income [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_C37CBF3D161A629FA08EA7709850E650" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProfitLoss_355ADF6B48861AFD4C05A7709850F766_terseLabel_en-US" xlink:label="lab_us-gaap_ProfitLoss_355ADF6B48861AFD4C05A7709850F766" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_355ADF6B48861AFD4C05A7709850F766" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProfitLoss_355ADF6B48861AFD4C05A7709850F766" xlink:to="lab_us-gaap_ProfitLoss_355ADF6B48861AFD4C05A7709850F766" xlink:type="arc" />
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract_2D14FEE8BC942D124756A7709850EF1C_terseLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract_2D14FEE8BC942D124756A7709850EF1C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income:</link:label>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract_2D14FEE8BC942D124756A7709850EF1C_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract_2D14FEE8BC942D124756A7709850EF1C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract_2D14FEE8BC942D124756A7709850EF1C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_88FAE4D88E03DDC5F582A7709850CD72_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_88FAE4D88E03DDC5F582A7709850CD72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate cap/swap agreements</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_88FAE4D88E03DDC5F582A7709850CD72_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_88FAE4D88E03DDC5F582A7709850CD72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_88FAE4D88E03DDC5F582A7709850CD72" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_69E16BACD6831E5ED3B8A77098516B4B_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_69E16BACD6831E5ED3B8A77098516B4B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Comprehensive income</link:label>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_69E16BACD6831E5ED3B8A77098516B4B_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_69E16BACD6831E5ED3B8A77098516B4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_69E16BACD6831E5ED3B8A77098516B4B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_69E16BACD6831E5ED3B8A77098516B4B" xlink:to="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_69E16BACD6831E5ED3B8A77098516B4B" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_62D2A6B19A251421CC85A770985135E4_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_62D2A6B19A251421CC85A770985135E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less net income attributable to noncontrolling interests</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_62D2A6B19A251421CC85A770985135E4_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_62D2A6B19A251421CC85A770985135E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_62D2A6B19A251421CC85A770985135E4" xlink:type="locator" />
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    <link:label id="lab_mac_CascadeMallMember_D3AD8907EDCF70B8665F2259B83454C4_terseLabel_en-US" xlink:label="lab_mac_CascadeMallMember_D3AD8907EDCF70B8665F2259B83454C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cascade Mall</link:label>
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    <link:label id="lab_mac_NorthgateMallMember_43FB0F1A4A111680B3012259B8358AB6_terseLabel_en-US" xlink:label="lab_mac_NorthgateMallMember_43FB0F1A4A111680B3012259B8358AB6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Northgate Mall</link:label>
    <link:label id="lab_mac_NorthgateMallMember_43FB0F1A4A111680B3012259B8358AB6_label_en-US" xlink:label="lab_mac_NorthgateMallMember_43FB0F1A4A111680B3012259B8358AB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Northgate Mall [Member]</link:label>
    <link:label id="lab_mac_NorthgateMallMember_43FB0F1A4A111680B3012259B8358AB6_documentation_en-US" xlink:label="lab_mac_NorthgateMallMember_43FB0F1A4A111680B3012259B8358AB6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the information pertaining to real estate property of the entity, Northgate Mall.</link:label>
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    <link:label id="lab_mac_NorthMichiganAvenue500Member_676293BF4A387A06F6FA2259B8357959_terseLabel_en-US" xlink:label="lab_mac_NorthMichiganAvenue500Member_676293BF4A387A06F6FA2259B8357959" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">500 North Michigan Avenue</link:label>
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    <link:label id="lab_mac_PromenadeAtCasaGrandeMember_9468B19E66D848A42D282259B836A80D_terseLabel_en-US" xlink:label="lab_mac_PromenadeAtCasaGrandeMember_9468B19E66D848A42D282259B836A80D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Promenade at Casa Grande</link:label>
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    <link:label id="lab_mac_PromenadeAtCasaGrandeMember_9468B19E66D848A42D282259B836A80D_documentation_en-US" xlink:label="lab_mac_PromenadeAtCasaGrandeMember_9468B19E66D848A42D282259B836A80D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the information pertaining to real estate property of the entity, Promenade at Casa Grande.</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromDivestitureOfBusinesses_FF84114E2BC710203D3E2259B8363B73_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromDivestitureOfBusinesses_FF84114E2BC710203D3E2259B8363B73" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale</link:label>
    <link:label id="lab_us-gaap_ProceedsFromDivestitureOfBusinesses_FF84114E2BC710203D3E2259B8363B73_label_en-US" xlink:label="lab_us-gaap_ProceedsFromDivestitureOfBusinesses_FF84114E2BC710203D3E2259B8363B73" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Divestiture of Businesses</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_FF84114E2BC710203D3E2259B8363B73" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_FF84114E2BC710203D3E2259B8363B73" xlink:to="lab_us-gaap_ProceedsFromDivestitureOfBusinesses_FF84114E2BC710203D3E2259B8363B73" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_85BC6E6B1A417964D0C22259B83692AF_verboseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_85BC6E6B1A417964D0C22259B83692AF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Gain (loss) on disposal</link:label>
    <link:label id="lab_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_85BC6E6B1A417964D0C22259B83692AF_label_en-US" xlink:label="lab_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_85BC6E6B1A417964D0C22259B83692AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_85BC6E6B1A417964D0C22259B83692AF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_85BC6E6B1A417964D0C22259B83692AF" xlink:to="lab_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_85BC6E6B1A417964D0C22259B83692AF" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_94C285CA269AFA5D2AFB22CB3981815D_verboseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_94C285CA269AFA5D2AFB22CB3981815D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loss on sale of assets</link:label>
    <link:label id="lab_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_94C285CA269AFA5D2AFB22CB3981815D_label_en-US" xlink:label="lab_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_94C285CA269AFA5D2AFB22CB3981815D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Sale of Assets and Asset Impairment Charges</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges" xlink:label="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_94C285CA269AFA5D2AFB22CB3981815D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_94C285CA269AFA5D2AFB22CB3981815D" xlink:to="lab_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_94C285CA269AFA5D2AFB22CB3981815D" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestCostsCapitalized_92BF3FA77E03F07339FAF35FCDF68CCA_terseLabel_en-US" xlink:label="lab_us-gaap_InterestCostsCapitalized_92BF3FA77E03F07339FAF35FCDF68CCA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest expense capitalized</link:label>
    <link:label id="lab_us-gaap_InterestCostsCapitalized_92BF3FA77E03F07339FAF35FCDF68CCA_label_en-US" xlink:label="lab_us-gaap_InterestCostsCapitalized_92BF3FA77E03F07339FAF35FCDF68CCA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Costs Capitalized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="loc_us-gaap_InterestCostsCapitalized_92BF3FA77E03F07339FAF35FCDF68CCA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestCostsCapitalized_92BF3FA77E03F07339FAF35FCDF68CCA" xlink:to="lab_us-gaap_InterestCostsCapitalized_92BF3FA77E03F07339FAF35FCDF68CCA" xlink:type="arc" />
    <link:label id="lab_us-gaap_NotesPayableFairValueDisclosure_636C2ACAE9D192412C0CF35FCDF6F23D_terseLabel_en-US" xlink:label="lab_us-gaap_NotesPayableFairValueDisclosure_636C2ACAE9D192412C0CF35FCDF6F23D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of mortgage notes payable</link:label>
    <link:label id="lab_us-gaap_NotesPayableFairValueDisclosure_636C2ACAE9D192412C0CF35FCDF6F23D_label_en-US" xlink:label="lab_us-gaap_NotesPayableFairValueDisclosure_636C2ACAE9D192412C0CF35FCDF6F23D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Payable, Fair Value Disclosure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NotesPayableFairValueDisclosure" xlink:label="loc_us-gaap_NotesPayableFairValueDisclosure_636C2ACAE9D192412C0CF35FCDF6F23D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesPayableFairValueDisclosure_636C2ACAE9D192412C0CF35FCDF6F23D" xlink:to="lab_us-gaap_NotesPayableFairValueDisclosure_636C2ACAE9D192412C0CF35FCDF6F23D" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_017B1C96E7D792E35C86F35FCDE63731_terseLabel_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_017B1C96E7D792E35C86F35FCDE63731" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share and Unit-Based Plans</link:label>
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_017B1C96E7D792E35C86F35FCDE63731_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_017B1C96E7D792E35C86F35FCDE63731" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Compensation Related Costs, Share-based Payments [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_017B1C96E7D792E35C86F35FCDE63731" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_017B1C96E7D792E35C86F35FCDE63731" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_017B1C96E7D792E35C86F35FCDE63731" xlink:type="arc" />
    <link:label id="lab_us-gaap_CorporateJointVentureMember_583ABCAD31DA517B6037DBE9CF88833E_terseLabel_en-US" xlink:label="lab_us-gaap_CorporateJointVentureMember_583ABCAD31DA517B6037DBE9CF88833E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Joint Venture</link:label>
    <link:label id="lab_us-gaap_CorporateJointVentureMember_583ABCAD31DA517B6037DBE9CF88833E_label_en-US" xlink:label="lab_us-gaap_CorporateJointVentureMember_583ABCAD31DA517B6037DBE9CF88833E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate Joint Venture [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CorporateJointVentureMember" xlink:label="loc_us-gaap_CorporateJointVentureMember_583ABCAD31DA517B6037DBE9CF88833E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CorporateJointVentureMember_583ABCAD31DA517B6037DBE9CF88833E" xlink:to="lab_us-gaap_CorporateJointVentureMember_583ABCAD31DA517B6037DBE9CF88833E" xlink:type="arc" />
    <link:label id="lab_mac_CountryClubPlazaMember_15CA98D6538F68283160DBE9CF88174A_terseLabel_en-US" xlink:label="lab_mac_CountryClubPlazaMember_15CA98D6538F68283160DBE9CF88174A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Country Club Plaza</link:label>
    <link:label id="lab_mac_CountryClubPlazaMember_15CA98D6538F68283160DBE9CF88174A_label_en-US" xlink:label="lab_mac_CountryClubPlazaMember_15CA98D6538F68283160DBE9CF88174A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Country Club Plaza [Member]</link:label>
    <link:label id="lab_mac_CountryClubPlazaMember_15CA98D6538F68283160DBE9CF88174A_documentation_en-US" xlink:label="lab_mac_CountryClubPlazaMember_15CA98D6538F68283160DBE9CF88174A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Country Club Plaza [Member]</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_CountryClubPlazaMember" xlink:label="loc_mac_CountryClubPlazaMember_15CA98D6538F68283160DBE9CF88174A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_CountryClubPlazaMember_15CA98D6538F68283160DBE9CF88174A" xlink:to="lab_mac_CountryClubPlazaMember_15CA98D6538F68283160DBE9CF88174A" xlink:type="arc" />
    <link:label id="lab_mac_FashionDistrictPhiladelphiaMember_70CF885EA5D8444DF6DFDBE9CF890876_terseLabel_en-US" xlink:label="lab_mac_FashionDistrictPhiladelphiaMember_70CF885EA5D8444DF6DFDBE9CF890876" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fashion District Philadelphia</link:label>
    <link:label id="lab_mac_FashionDistrictPhiladelphiaMember_70CF885EA5D8444DF6DFDBE9CF890876_label_en-US" xlink:label="lab_mac_FashionDistrictPhiladelphiaMember_70CF885EA5D8444DF6DFDBE9CF890876" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fashion District Philadelphia [Member]</link:label>
    <link:label id="lab_mac_FashionDistrictPhiladelphiaMember_70CF885EA5D8444DF6DFDBE9CF890876_documentation_en-US" xlink:label="lab_mac_FashionDistrictPhiladelphiaMember_70CF885EA5D8444DF6DFDBE9CF890876" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fashion District Philadelphia [Member]</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_FashionDistrictPhiladelphiaMember" xlink:label="loc_mac_FashionDistrictPhiladelphiaMember_70CF885EA5D8444DF6DFDBE9CF890876" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_FashionDistrictPhiladelphiaMember_70CF885EA5D8444DF6DFDBE9CF890876" xlink:to="lab_mac_FashionDistrictPhiladelphiaMember_70CF885EA5D8444DF6DFDBE9CF890876" xlink:type="arc" />
    <link:label id="lab_mac_WestcorQueenCreekLLCMember_BE9C1BA2192B1C37211EDBE9CF89178B_terseLabel_en-US" xlink:label="lab_mac_WestcorQueenCreekLLCMember_BE9C1BA2192B1C37211EDBE9CF89178B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Westcor/Queen Creek LLC</link:label>
    <link:label id="lab_mac_WestcorQueenCreekLLCMember_BE9C1BA2192B1C37211EDBE9CF89178B_label_en-US" xlink:label="lab_mac_WestcorQueenCreekLLCMember_BE9C1BA2192B1C37211EDBE9CF89178B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Westcor/Queen Creek LLC [Member]</link:label>
    <link:label id="lab_mac_WestcorQueenCreekLLCMember_BE9C1BA2192B1C37211EDBE9CF89178B_documentation_en-US" xlink:label="lab_mac_WestcorQueenCreekLLCMember_BE9C1BA2192B1C37211EDBE9CF89178B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the joint venture, Westcor/Queen Creek LLC.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_WestcorQueenCreekLLCMember" xlink:label="loc_mac_WestcorQueenCreekLLCMember_BE9C1BA2192B1C37211EDBE9CF89178B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_WestcorQueenCreekLLCMember_BE9C1BA2192B1C37211EDBE9CF89178B" xlink:to="lab_mac_WestcorQueenCreekLLCMember_BE9C1BA2192B1C37211EDBE9CF89178B" xlink:type="arc" />
    <link:label id="lab_mac_TheMarketAtEstrellaFallsMember_B1889876DAA8E98B6113DBE9CF89F74F_terseLabel_en-US" xlink:label="lab_mac_TheMarketAtEstrellaFallsMember_B1889876DAA8E98B6113DBE9CF89F74F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The Market at Estrella Falls</link:label>
    <link:label id="lab_mac_TheMarketAtEstrellaFallsMember_B1889876DAA8E98B6113DBE9CF89F74F_label_en-US" xlink:label="lab_mac_TheMarketAtEstrellaFallsMember_B1889876DAA8E98B6113DBE9CF89F74F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Market at Estrella Falls [Member]</link:label>
    <link:label id="lab_mac_TheMarketAtEstrellaFallsMember_B1889876DAA8E98B6113DBE9CF89F74F_documentation_en-US" xlink:label="lab_mac_TheMarketAtEstrellaFallsMember_B1889876DAA8E98B6113DBE9CF89F74F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the joint venture, The Market at Estrella Falls LLC.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_TheMarketAtEstrellaFallsMember" xlink:label="loc_mac_TheMarketAtEstrellaFallsMember_B1889876DAA8E98B6113DBE9CF89F74F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_TheMarketAtEstrellaFallsMember_B1889876DAA8E98B6113DBE9CF89F74F" xlink:to="lab_mac_TheMarketAtEstrellaFallsMember_B1889876DAA8E98B6113DBE9CF89F74F" xlink:type="arc" />
    <link:label id="lab_mac_WestsidePavilionMember_E700442B3D88A9006F5DDBE9CF89EA2C_terseLabel_en-US" xlink:label="lab_mac_WestsidePavilionMember_E700442B3D88A9006F5DDBE9CF89EA2C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Westside Pavilion</link:label>
    <link:label id="lab_mac_WestsidePavilionMember_E700442B3D88A9006F5DDBE9CF89EA2C_label_en-US" xlink:label="lab_mac_WestsidePavilionMember_E700442B3D88A9006F5DDBE9CF89EA2C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Westside Pavilion [Member]</link:label>
    <link:label id="lab_mac_WestsidePavilionMember_E700442B3D88A9006F5DDBE9CF89EA2C_documentation_en-US" xlink:label="lab_mac_WestsidePavilionMember_E700442B3D88A9006F5DDBE9CF89EA2C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the information pertaining to real estate property of the entity, Westside Pavilion.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_WestsidePavilionMember" xlink:label="loc_mac_WestsidePavilionMember_E700442B3D88A9006F5DDBE9CF89EA2C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_WestsidePavilionMember_E700442B3D88A9006F5DDBE9CF89EA2C" xlink:to="lab_mac_WestsidePavilionMember_E700442B3D88A9006F5DDBE9CF89EA2C" xlink:type="arc" />
    <link:label id="lab_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_E8959C64CF1AE1B6E6EBDBE9CF89C551_terseLabel_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_E8959C64CF1AE1B6E6EBDBE9CF89C551" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real Estate, Type of Property [Axis]</link:label>
    <link:label id="lab_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_E8959C64CF1AE1B6E6EBDBE9CF89C551_label_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_E8959C64CF1AE1B6E6EBDBE9CF89C551" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate, Type of Property [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_E8959C64CF1AE1B6E6EBDBE9CF89C551" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_E8959C64CF1AE1B6E6EBDBE9CF89C551" xlink:to="lab_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_E8959C64CF1AE1B6E6EBDBE9CF89C551" xlink:type="arc" />
    <link:label id="lab_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_D5AA534D47DE98922416DBE9CF899074_terseLabel_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_D5AA534D47DE98922416DBE9CF899074" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real Estate [Domain]</link:label>
    <link:label id="lab_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_D5AA534D47DE98922416DBE9CF899074_label_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_D5AA534D47DE98922416DBE9CF899074" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_D5AA534D47DE98922416DBE9CF899074" xlink:type="locator" />
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    <link:label id="lab_srt_OfficeBuildingMember_CC9A6EECE6DB8E6CF42FDBE9CF8A7C49_terseLabel_en-US" xlink:label="lab_srt_OfficeBuildingMember_CC9A6EECE6DB8E6CF42FDBE9CF8A7C49" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Office building</link:label>
    <link:label id="lab_srt_OfficeBuildingMember_CC9A6EECE6DB8E6CF42FDBE9CF8A7C49_label_en-US" xlink:label="lab_srt_OfficeBuildingMember_CC9A6EECE6DB8E6CF42FDBE9CF8A7C49" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Office Building [Member]</link:label>
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    <link:label id="lab_srt_ProductOrServiceAxis_A033E378C1BDEBC2D5D5DBE9CF8AE9A0_terseLabel_en-US" xlink:label="lab_srt_ProductOrServiceAxis_A033E378C1BDEBC2D5D5DBE9CF8AE9A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product and Service [Axis]</link:label>
    <link:label id="lab_srt_ProductOrServiceAxis_A033E378C1BDEBC2D5D5DBE9CF8AE9A0_label_en-US" xlink:label="lab_srt_ProductOrServiceAxis_A033E378C1BDEBC2D5D5DBE9CF8AE9A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product and Service [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_A033E378C1BDEBC2D5D5DBE9CF8AE9A0" xlink:type="locator" />
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    <link:label id="lab_srt_ProductsAndServicesDomain_7E3038CF74CE2F140B8FDBE9CF8A365E_terseLabel_en-US" xlink:label="lab_srt_ProductsAndServicesDomain_7E3038CF74CE2F140B8FDBE9CF8A365E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product and Service [Domain]</link:label>
    <link:label id="lab_srt_ProductsAndServicesDomain_7E3038CF74CE2F140B8FDBE9CF8A365E_label_en-US" xlink:label="lab_srt_ProductsAndServicesDomain_7E3038CF74CE2F140B8FDBE9CF8A365E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product and Service [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_7E3038CF74CE2F140B8FDBE9CF8A365E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LandMember_95BD30BFDAADC7898F0BDBE9CF8AA69B_terseLabel_en-US" xlink:label="lab_us-gaap_LandMember_95BD30BFDAADC7898F0BDBE9CF8AA69B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Land</link:label>
    <link:label id="lab_us-gaap_LandMember_95BD30BFDAADC7898F0BDBE9CF8AA69B_label_en-US" xlink:label="lab_us-gaap_LandMember_95BD30BFDAADC7898F0BDBE9CF8AA69B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land [Member]</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LandMember_95BD30BFDAADC7898F0BDBE9CF8AA69B" xlink:to="lab_us-gaap_LandMember_95BD30BFDAADC7898F0BDBE9CF8AA69B" xlink:type="arc" />
    <link:label id="lab_mac_LosAngelesPremiumOutletsMember_953E547B7088F4F325E4DBE9CF8B865D_terseLabel_en-US" xlink:label="lab_mac_LosAngelesPremiumOutletsMember_953E547B7088F4F325E4DBE9CF8B865D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Los Angeles Premium Outlets</link:label>
    <link:label id="lab_mac_LosAngelesPremiumOutletsMember_953E547B7088F4F325E4DBE9CF8B865D_label_en-US" xlink:label="lab_mac_LosAngelesPremiumOutletsMember_953E547B7088F4F325E4DBE9CF8B865D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Los Angeles Premium Outlets [Member]</link:label>
    <link:label id="lab_mac_LosAngelesPremiumOutletsMember_953E547B7088F4F325E4DBE9CF8B865D_documentation_en-US" xlink:label="lab_mac_LosAngelesPremiumOutletsMember_953E547B7088F4F325E4DBE9CF8B865D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Los Angeles Premium Outlets [Member]</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_LosAngelesPremiumOutletsMember" xlink:label="loc_mac_LosAngelesPremiumOutletsMember_953E547B7088F4F325E4DBE9CF8B865D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_LosAngelesPremiumOutletsMember_953E547B7088F4F325E4DBE9CF8B865D" xlink:to="lab_mac_LosAngelesPremiumOutletsMember_953E547B7088F4F325E4DBE9CF8B865D" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleOfBuildings_4B99BBE1D24C09E83967DBE9CF8CA42D_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfBuildings_4B99BBE1D24C09E83967DBE9CF8CA42D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of building</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfBuildings_4B99BBE1D24C09E83967DBE9CF8CA42D_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfBuildings_4B99BBE1D24C09E83967DBE9CF8CA42D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Buildings</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfBuildings" xlink:label="loc_us-gaap_ProceedsFromSaleOfBuildings_4B99BBE1D24C09E83967DBE9CF8CA42D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfBuildings_4B99BBE1D24C09E83967DBE9CF8CA42D" xlink:to="lab_us-gaap_ProceedsFromSaleOfBuildings_4B99BBE1D24C09E83967DBE9CF8CA42D" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainLossOnSaleOfProperties_9A345B17AD8CA954A549DBE9CF8D4FA3_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfProperties_9A345B17AD8CA954A549DBE9CF8D4FA3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain on sale of building</link:label>
    <link:label id="lab_us-gaap_GainLossOnSaleOfProperties_9A345B17AD8CA954A549DBE9CF8D4FA3_label_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfProperties_9A345B17AD8CA954A549DBE9CF8D4FA3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Sale of Properties</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnSaleOfProperties" xlink:label="loc_us-gaap_GainLossOnSaleOfProperties_9A345B17AD8CA954A549DBE9CF8D4FA3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_DE62E22BE6144AF6F967DBE9CF8E2145_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_DE62E22BE6144AF6F967DBE9CF8E2145" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenues</link:label>
    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_DE62E22BE6144AF6F967DBE9CF8E2145_label_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_DE62E22BE6144AF6F967DBE9CF8E2145" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from Contract with Customer, Excluding Assessed Tax</link:label>
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    <link:label id="lab_mac_GainLossOnLandSales_959A157CADD28DA9C6FCDBE9CF8E7675_terseLabel_en-US" xlink:label="lab_mac_GainLossOnLandSales_959A157CADD28DA9C6FCDBE9CF8E7675" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain sale of land</link:label>
    <link:label id="lab_mac_GainLossOnLandSales_959A157CADD28DA9C6FCDBE9CF8E7675_label_en-US" xlink:label="lab_mac_GainLossOnLandSales_959A157CADD28DA9C6FCDBE9CF8E7675" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) On Land Sales</link:label>
    <link:label id="lab_mac_GainLossOnLandSales_959A157CADD28DA9C6FCDBE9CF8E7675_documentation_en-US" xlink:label="lab_mac_GainLossOnLandSales_959A157CADD28DA9C6FCDBE9CF8E7675" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gain (Loss) On Land Sales</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_GainLossOnLandSales" xlink:label="loc_mac_GainLossOnLandSales_959A157CADD28DA9C6FCDBE9CF8E7675" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RepaymentsOfSecuredDebt_C1E0645BCDD8D710CAAADBE9CF8F14AF_terseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfSecuredDebt_C1E0645BCDD8D710CAAADBE9CF8F14AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repayments of debt</link:label>
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    <link:label id="lab_mac_JointVentureOwnershipPercentbyOtherOwners_C52D7A1497156254DAA6DBE9CF8FB0CF_verboseLabel_en-US" xlink:label="lab_mac_JointVentureOwnershipPercentbyOtherOwners_C52D7A1497156254DAA6DBE9CF8FB0CF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Outside partner interest of the operating partnership</link:label>
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    <link:loc xlink:href="mac-20180930.xsd#mac_JointVentureOwnershipPercentbyOtherOwners" xlink:label="loc_mac_JointVentureOwnershipPercentbyOtherOwners_C52D7A1497156254DAA6DBE9CF8FB0CF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1_49D2003F085D5720FA3ADBE9CF8FFC88_verboseLabel_en-US" xlink:label="lab_us-gaap_NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1_49D2003F085D5720FA3ADBE9CF8FFC88" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Proceeds received in disposition of property</link:label>
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    <link:label id="lab_mac_ProceedsfromDivestitureofBusinessAssumptionofDebt_80F06155B042E8B696B8DBE9CF8F697C_terseLabel_en-US" xlink:label="lab_mac_ProceedsfromDivestitureofBusinessAssumptionofDebt_80F06155B042E8B696B8DBE9CF8F697C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assumption of mortgage notes payable</link:label>
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    <link:label id="lab_mac_MortgageLoansonRealEstateFaceAmountofMortgagesAdditionalBorrowing_1AFEFB840AD2A506A60CD5EF3F9AA5BF_terseLabel_en-US" xlink:label="lab_mac_MortgageLoansonRealEstateFaceAmountofMortgagesAdditionalBorrowing_1AFEFB840AD2A506A60CD5EF3F9AA5BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remaining borrowing</link:label>
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    <link:label id="lab_mac_ChandlerFashionCenterMortgageMember_6653FD42382B2E4A875C2259B96A76C2_terseLabel_en-US" xlink:label="lab_mac_ChandlerFashionCenterMortgageMember_6653FD42382B2E4A875C2259B96A76C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chandler Fashion Center</link:label>
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    <link:label id="lab_mac_DanburyFairMallMortgageMember_8A1EC038DECA825F9F692259B96A91AB_terseLabel_en-US" xlink:label="lab_mac_DanburyFairMallMortgageMember_8A1EC038DECA825F9F692259B96A91AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Danbury Fair Mall</link:label>
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    <link:label id="lab_mac_DanburyFairMallMortgageMember_8A1EC038DECA825F9F692259B96A91AB_documentation_en-US" xlink:label="lab_mac_DanburyFairMallMortgageMember_8A1EC038DECA825F9F692259B96A91AB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage note payable on the Danbury Fair Mall property pledged as collateral.</link:label>
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    <link:label id="lab_mac_FreeholdRacewayMallMortgageMember_6EF96C4490460BD59FFB2259B96BB969_terseLabel_en-US" xlink:label="lab_mac_FreeholdRacewayMallMortgageMember_6EF96C4490460BD59FFB2259B96BB969" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Freehold Raceway</link:label>
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    <link:label id="lab_mac_FreeholdRacewayMallMortgageMember_6EF96C4490460BD59FFB2259B96BB969_documentation_en-US" xlink:label="lab_mac_FreeholdRacewayMallMortgageMember_6EF96C4490460BD59FFB2259B96BB969" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage note payable on the Freehold Raceway Mall property pledged as collateral.</link:label>
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    <link:label id="lab_mac_FresnoFashionFairMember_48D9F4C2A16A1EA86F542259B96BF50F_terseLabel_en-US" xlink:label="lab_mac_FresnoFashionFairMember_48D9F4C2A16A1EA86F542259B96BF50F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fresno Fashion Fair</link:label>
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    <link:label id="lab_mac_FresnoFashionFairMember_48D9F4C2A16A1EA86F542259B96BF50F_documentation_en-US" xlink:label="lab_mac_FresnoFashionFairMember_48D9F4C2A16A1EA86F542259B96BF50F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the information pertaining to real estate property of the entity, Fresno Fashion Fair.</link:label>
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    <link:label id="lab_mac_GreenAcresMallMortgageMember_6146F0CD1AE7EDDD7FB92259B96C5D27_terseLabel_en-US" xlink:label="lab_mac_GreenAcresMallMortgageMember_6146F0CD1AE7EDDD7FB92259B96C5D27" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Green Acres Mall</link:label>
    <link:label id="lab_mac_GreenAcresMallMortgageMember_6146F0CD1AE7EDDD7FB92259B96C5D27_label_en-US" xlink:label="lab_mac_GreenAcresMallMortgageMember_6146F0CD1AE7EDDD7FB92259B96C5D27" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Green Acres Mall Mortgage [Member]</link:label>
    <link:label id="lab_mac_GreenAcresMallMortgageMember_6146F0CD1AE7EDDD7FB92259B96C5D27_documentation_en-US" xlink:label="lab_mac_GreenAcresMallMortgageMember_6146F0CD1AE7EDDD7FB92259B96C5D27" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Green Acres Mall Mortgage [Member]</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_GreenAcresMallMortgageMember" xlink:label="loc_mac_GreenAcresMallMortgageMember_6146F0CD1AE7EDDD7FB92259B96C5D27" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_GreenAcresMallMortgageMember_6146F0CD1AE7EDDD7FB92259B96C5D27" xlink:to="lab_mac_GreenAcresMallMortgageMember_6146F0CD1AE7EDDD7FB92259B96C5D27" xlink:type="arc" />
    <link:label id="lab_mac_KingsPlazaMortgageMember_1EC6082BB0CA41A7743F2259B96C0544_terseLabel_en-US" xlink:label="lab_mac_KingsPlazaMortgageMember_1EC6082BB0CA41A7743F2259B96C0544" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Kings Plaza Shopping Center</link:label>
    <link:label id="lab_mac_KingsPlazaMortgageMember_1EC6082BB0CA41A7743F2259B96C0544_label_en-US" xlink:label="lab_mac_KingsPlazaMortgageMember_1EC6082BB0CA41A7743F2259B96C0544" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Kings Plaza Mortgage [Member]</link:label>
    <link:label id="lab_mac_KingsPlazaMortgageMember_1EC6082BB0CA41A7743F2259B96C0544_documentation_en-US" xlink:label="lab_mac_KingsPlazaMortgageMember_1EC6082BB0CA41A7743F2259B96C0544" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage note payable on the Kings Plaza property pledged as collateral.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_KingsPlazaMortgageMember" xlink:label="loc_mac_KingsPlazaMortgageMember_1EC6082BB0CA41A7743F2259B96C0544" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_KingsPlazaMortgageMember_1EC6082BB0CA41A7743F2259B96C0544" xlink:to="lab_mac_KingsPlazaMortgageMember_1EC6082BB0CA41A7743F2259B96C0544" xlink:type="arc" />
    <link:label id="lab_mac_TheOaksOneMortgageMember_D2E8F470726E7422C61F2259B971FA0C_verboseLabel_en-US" xlink:label="lab_mac_TheOaksOneMortgageMember_D2E8F470726E7422C61F2259B971FA0C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Oaks, The</link:label>
    <link:label id="lab_mac_TheOaksOneMortgageMember_D2E8F470726E7422C61F2259B971FA0C_label_en-US" xlink:label="lab_mac_TheOaksOneMortgageMember_D2E8F470726E7422C61F2259B971FA0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Oaks One Mortgage [Member]</link:label>
    <link:label id="lab_mac_TheOaksOneMortgageMember_D2E8F470726E7422C61F2259B971FA0C_documentation_en-US" xlink:label="lab_mac_TheOaksOneMortgageMember_D2E8F470726E7422C61F2259B971FA0C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage note payable on the Oaks property pledged as collateral.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_TheOaksOneMortgageMember" xlink:label="loc_mac_TheOaksOneMortgageMember_D2E8F470726E7422C61F2259B971FA0C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_TheOaksOneMortgageMember_D2E8F470726E7422C61F2259B971FA0C" xlink:to="lab_mac_TheOaksOneMortgageMember_D2E8F470726E7422C61F2259B971FA0C" xlink:type="arc" />
    <link:label id="lab_mac_PacificViewMortgageMember_6DC285F8BF22694A94032259B9729114_terseLabel_en-US" xlink:label="lab_mac_PacificViewMortgageMember_6DC285F8BF22694A94032259B9729114" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pacific View</link:label>
    <link:label id="lab_mac_PacificViewMortgageMember_6DC285F8BF22694A94032259B9729114_label_en-US" xlink:label="lab_mac_PacificViewMortgageMember_6DC285F8BF22694A94032259B9729114" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pacific View Mortgage [Member]</link:label>
    <link:label id="lab_mac_PacificViewMortgageMember_6DC285F8BF22694A94032259B9729114_documentation_en-US" xlink:label="lab_mac_PacificViewMortgageMember_6DC285F8BF22694A94032259B9729114" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage note payable on the Pacific View property pledged as collateral.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_PacificViewMortgageMember" xlink:label="loc_mac_PacificViewMortgageMember_6DC285F8BF22694A94032259B9729114" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_PacificViewMortgageMember_6DC285F8BF22694A94032259B9729114" xlink:to="lab_mac_PacificViewMortgageMember_6DC285F8BF22694A94032259B9729114" xlink:type="arc" />
    <link:label id="lab_mac_QueensCenterMember_9C98C2489B7128B1CF452259B972A489_terseLabel_en-US" xlink:label="lab_mac_QueensCenterMember_9C98C2489B7128B1CF452259B972A489" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Queens Center</link:label>
    <link:label id="lab_mac_QueensCenterMember_9C98C2489B7128B1CF452259B972A489_label_en-US" xlink:label="lab_mac_QueensCenterMember_9C98C2489B7128B1CF452259B972A489" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Queens Center [Member]</link:label>
    <link:label id="lab_mac_QueensCenterMember_9C98C2489B7128B1CF452259B972A489_documentation_en-US" xlink:label="lab_mac_QueensCenterMember_9C98C2489B7128B1CF452259B972A489" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the joint venture, Queens Center.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_QueensCenterMember" xlink:label="loc_mac_QueensCenterMember_9C98C2489B7128B1CF452259B972A489" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_QueensCenterMember_9C98C2489B7128B1CF452259B972A489" xlink:to="lab_mac_QueensCenterMember_9C98C2489B7128B1CF452259B972A489" xlink:type="arc" />
    <link:label id="lab_mac_SanTanVillageRegionalCenterMortgageMember_572B1BB7AA92514D03CB2259B972B7C5_terseLabel_en-US" xlink:label="lab_mac_SanTanVillageRegionalCenterMortgageMember_572B1BB7AA92514D03CB2259B972B7C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SanTan Village Regional Center</link:label>
    <link:label id="lab_mac_SanTanVillageRegionalCenterMortgageMember_572B1BB7AA92514D03CB2259B972B7C5_label_en-US" xlink:label="lab_mac_SanTanVillageRegionalCenterMortgageMember_572B1BB7AA92514D03CB2259B972B7C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">San Tan Village Regional Center Mortgage [Member]</link:label>
    <link:label id="lab_mac_SanTanVillageRegionalCenterMortgageMember_572B1BB7AA92514D03CB2259B972B7C5_documentation_en-US" xlink:label="lab_mac_SanTanVillageRegionalCenterMortgageMember_572B1BB7AA92514D03CB2259B972B7C5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage note payable on the SanTan Village Regional Center property pledged as collateral.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_SanTanVillageRegionalCenterMortgageMember" xlink:label="loc_mac_SanTanVillageRegionalCenterMortgageMember_572B1BB7AA92514D03CB2259B972B7C5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_SanTanVillageRegionalCenterMortgageMember_572B1BB7AA92514D03CB2259B972B7C5" xlink:to="lab_mac_SanTanVillageRegionalCenterMortgageMember_572B1BB7AA92514D03CB2259B972B7C5" xlink:type="arc" />
    <link:label id="lab_mac_TowneMallMortgageMember_8D4FB5646360A2D01AC72259B973CFA3_terseLabel_en-US" xlink:label="lab_mac_TowneMallMortgageMember_8D4FB5646360A2D01AC72259B973CFA3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Towne Mall</link:label>
    <link:label id="lab_mac_TowneMallMortgageMember_8D4FB5646360A2D01AC72259B973CFA3_label_en-US" xlink:label="lab_mac_TowneMallMortgageMember_8D4FB5646360A2D01AC72259B973CFA3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Towne Mall Mortgage [Member]</link:label>
    <link:label id="lab_mac_TowneMallMortgageMember_8D4FB5646360A2D01AC72259B973CFA3_documentation_en-US" xlink:label="lab_mac_TowneMallMortgageMember_8D4FB5646360A2D01AC72259B973CFA3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage note payable on the Towne Mall property pledged as collateral.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_TowneMallMortgageMember" xlink:label="loc_mac_TowneMallMortgageMember_8D4FB5646360A2D01AC72259B973CFA3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_TowneMallMortgageMember_8D4FB5646360A2D01AC72259B973CFA3" xlink:to="lab_mac_TowneMallMortgageMember_8D4FB5646360A2D01AC72259B973CFA3" xlink:type="arc" />
    <link:label id="lab_mac_TucsonLaEncantadaMortgageMember_5A3CBAA2CF104727FADB2259B973E167_terseLabel_en-US" xlink:label="lab_mac_TucsonLaEncantadaMortgageMember_5A3CBAA2CF104727FADB2259B973E167" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tucson La Encantada</link:label>
    <link:label id="lab_mac_TucsonLaEncantadaMortgageMember_5A3CBAA2CF104727FADB2259B973E167_label_en-US" xlink:label="lab_mac_TucsonLaEncantadaMortgageMember_5A3CBAA2CF104727FADB2259B973E167" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tucson La Encantada Mortgage [Member]</link:label>
    <link:label id="lab_mac_TucsonLaEncantadaMortgageMember_5A3CBAA2CF104727FADB2259B973E167_documentation_en-US" xlink:label="lab_mac_TucsonLaEncantadaMortgageMember_5A3CBAA2CF104727FADB2259B973E167" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage note payable on the Tucson La Encantada property pledged as collateral.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_TucsonLaEncantadaMortgageMember" xlink:label="loc_mac_TucsonLaEncantadaMortgageMember_5A3CBAA2CF104727FADB2259B973E167" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_TucsonLaEncantadaMortgageMember_5A3CBAA2CF104727FADB2259B973E167" xlink:to="lab_mac_TucsonLaEncantadaMortgageMember_5A3CBAA2CF104727FADB2259B973E167" xlink:type="arc" />
    <link:label id="lab_mac_MallOfVictorValleyMortgageMember_779179EF2836306E43402259B973A56A_terseLabel_en-US" xlink:label="lab_mac_MallOfVictorValleyMortgageMember_779179EF2836306E43402259B973A56A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Victor Valley, Mall of</link:label>
    <link:label id="lab_mac_MallOfVictorValleyMortgageMember_779179EF2836306E43402259B973A56A_label_en-US" xlink:label="lab_mac_MallOfVictorValleyMortgageMember_779179EF2836306E43402259B973A56A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mall of Victor Valley Mortgage [Member]</link:label>
    <link:label id="lab_mac_MallOfVictorValleyMortgageMember_779179EF2836306E43402259B973A56A_documentation_en-US" xlink:label="lab_mac_MallOfVictorValleyMortgageMember_779179EF2836306E43402259B973A56A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage note payable on the Mall of Victor Valley property pledged as collateral.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_MallOfVictorValleyMortgageMember" xlink:label="loc_mac_MallOfVictorValleyMortgageMember_779179EF2836306E43402259B973A56A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_MallOfVictorValleyMortgageMember_779179EF2836306E43402259B973A56A" xlink:to="lab_mac_MallOfVictorValleyMortgageMember_779179EF2836306E43402259B973A56A" xlink:type="arc" />
    <link:label id="lab_mac_VintageFaireMallMortgageMember_6FFE756CB15E898B1E382259B9732AA1_terseLabel_en-US" xlink:label="lab_mac_VintageFaireMallMortgageMember_6FFE756CB15E898B1E382259B9732AA1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vintage Faire Mall</link:label>
    <link:label id="lab_mac_VintageFaireMallMortgageMember_6FFE756CB15E898B1E382259B9732AA1_label_en-US" xlink:label="lab_mac_VintageFaireMallMortgageMember_6FFE756CB15E898B1E382259B9732AA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vintage Faire Mall Mortgage [Member]</link:label>
    <link:label id="lab_mac_VintageFaireMallMortgageMember_6FFE756CB15E898B1E382259B9732AA1_documentation_en-US" xlink:label="lab_mac_VintageFaireMallMortgageMember_6FFE756CB15E898B1E382259B9732AA1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage note payable on the Vintage Faire Mall property pledged as collateral.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_VintageFaireMallMortgageMember" xlink:label="loc_mac_VintageFaireMallMortgageMember_6FFE756CB15E898B1E382259B9732AA1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_VintageFaireMallMortgageMember_6FFE756CB15E898B1E382259B9732AA1" xlink:to="lab_mac_VintageFaireMallMortgageMember_6FFE756CB15E898B1E382259B9732AA1" xlink:type="arc" />
    <link:label id="lab_mac_WestsidePavilionMortgageMember_C7B848251A0026C14C5D2259B973AA8F_terseLabel_en-US" xlink:label="lab_mac_WestsidePavilionMortgageMember_C7B848251A0026C14C5D2259B973AA8F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Westside Pavilion</link:label>
    <link:label id="lab_mac_WestsidePavilionMortgageMember_C7B848251A0026C14C5D2259B973AA8F_label_en-US" xlink:label="lab_mac_WestsidePavilionMortgageMember_C7B848251A0026C14C5D2259B973AA8F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Westside Pavilion Mortgage [Member]</link:label>
    <link:label id="lab_mac_WestsidePavilionMortgageMember_C7B848251A0026C14C5D2259B973AA8F_documentation_en-US" xlink:label="lab_mac_WestsidePavilionMortgageMember_C7B848251A0026C14C5D2259B973AA8F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage note payable on the Westside Pavilion property pledged as collateral.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_WestsidePavilionMortgageMember" xlink:label="loc_mac_WestsidePavilionMortgageMember_C7B848251A0026C14C5D2259B973AA8F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_WestsidePavilionMortgageMember_C7B848251A0026C14C5D2259B973AA8F" xlink:to="lab_mac_WestsidePavilionMortgageMember_C7B848251A0026C14C5D2259B973AA8F" xlink:type="arc" />
    <link:label id="lab_us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_EAE256C80D82B971267A2259B9743EBD_verboseLabel_en-US" xlink:label="lab_us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_EAE256C80D82B971267A2259B9743EBD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Carrying Amount of Mortgage Notes, Related Party</link:label>
    <link:label id="lab_us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_EAE256C80D82B971267A2259B9743EBD_label_en-US" xlink:label="lab_us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_EAE256C80D82B971267A2259B9743EBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Payable, Related Parties</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_EAE256C80D82B971267A2259B9743EBD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_EAE256C80D82B971267A2259B9743EBD" xlink:to="lab_us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent_EAE256C80D82B971267A2259B9743EBD" xlink:type="arc" />
    <link:label id="lab_mac_SecuredDebtNonrelatedParty_952D3EC47622B1594D142259B9741799_verboseLabel_en-US" xlink:label="lab_mac_SecuredDebtNonrelatedParty_952D3EC47622B1594D142259B9741799" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Carrying Amount of Mortgage Notes, Other</link:label>
    <link:label id="lab_mac_SecuredDebtNonrelatedParty_952D3EC47622B1594D142259B9741799_label_en-US" xlink:label="lab_mac_SecuredDebtNonrelatedParty_952D3EC47622B1594D142259B9741799" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt Nonrelated Party</link:label>
    <link:label id="lab_mac_SecuredDebtNonrelatedParty_952D3EC47622B1594D142259B9741799_documentation_en-US" xlink:label="lab_mac_SecuredDebtNonrelatedParty_952D3EC47622B1594D142259B9741799" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations such as mortgage loans.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_SecuredDebtNonrelatedParty" xlink:label="loc_mac_SecuredDebtNonrelatedParty_952D3EC47622B1594D142259B9741799" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_SecuredDebtNonrelatedParty_952D3EC47622B1594D142259B9741799" xlink:to="lab_mac_SecuredDebtNonrelatedParty_952D3EC47622B1594D142259B9741799" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_F1DF0529340B2A24E07E2259B975AC85_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_F1DF0529340B2A24E07E2259B975AC85" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Interest Rate</link:label>
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    <link:label id="lab_mac_FiniteLivedIntangibleAssetLeasingCommissionsAndLegalCosts_B63A67D669E45B822007F35FCB588127_terseLabel_en-US" xlink:label="lab_mac_FiniteLivedIntangibleAssetLeasingCommissionsAndLegalCosts_B63A67D669E45B822007F35FCB588127" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leasing commissions and legal costs</link:label>
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    <link:label id="lab_mac_FiniteLivedIntangibleAssetLeasingCommissionsAndLegalCosts_B63A67D669E45B822007F35FCB588127_documentation_en-US" xlink:label="lab_mac_FiniteLivedIntangibleAssetLeasingCommissionsAndLegalCosts_B63A67D669E45B822007F35FCB588127" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gross carrying amount before accumulated amortization as of the balance sheet date of capitalized leasing commissions and lease-related legal costs.</link:label>
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    <link:label id="lab_mac_FiniteLivedIntangibleAssetAboveMarketLeases_23FE8B139A5908251B0CF35FCB59670B_terseLabel_en-US" xlink:label="lab_mac_FiniteLivedIntangibleAssetAboveMarketLeases_23FE8B139A5908251B0CF35FCB59670B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Above-market leases</link:label>
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    <link:label id="lab_mac_FiniteLivedIntangibleAssetAboveMarketLeases_23FE8B139A5908251B0CF35FCB59670B_documentation_en-US" xlink:label="lab_mac_FiniteLivedIntangibleAssetAboveMarketLeases_23FE8B139A5908251B0CF35FCB59670B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gross carrying amount before accumulated amortization as of the balance sheet date of the intangible asset for leases acquired as part of a real property acquisition at above market lease rate.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_FiniteLivedIntangibleAssetAboveMarketLeases" xlink:label="loc_mac_FiniteLivedIntangibleAssetAboveMarketLeases_23FE8B139A5908251B0CF35FCB59670B" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_6620D10ABD08A6834721F35FCB5B6500" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DeferredCompensationPlanAssets_BE23743CE7F695D451DEF35FCB5C1CA6_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationPlanAssets_BE23743CE7F695D451DEF35FCB5C1CA6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred compensation plan assets</link:label>
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    <link:label id="lab_mac_DeferredCostsAndOtherAssetsGross_1C8FDF7AA0C2FE53CEFEF35FCB5DD457_totalLabel_en-US" xlink:label="lab_mac_DeferredCostsAndOtherAssetsGross_1C8FDF7AA0C2FE53CEFEF35FCB5DD457" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Deferred charges and other assets, gross</link:label>
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    <link:label id="lab_mac_DeferredCostsAndOtherAssetsGross_1C8FDF7AA0C2FE53CEFEF35FCB5DD457_documentation_en-US" xlink:label="lab_mac_DeferredCostsAndOtherAssetsGross_1C8FDF7AA0C2FE53CEFEF35FCB5DD457" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sum of the gross carrying amounts before accumulated amortization of deferred costs that are expected to be recognized as a charge against future earnings plus assets not otherwise specified in the taxonomy.</link:label>
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    <link:label id="lab_mac_AccumulatedAmortizationDeferredCostsAndFiniteLivedIntangibleAssets_2E1C1024DE4075331075F35FCB5D284C_negatedLabel_en-US" xlink:label="lab_mac_AccumulatedAmortizationDeferredCostsAndFiniteLivedIntangibleAssets_2E1C1024DE4075331075F35FCB5D284C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Less accumulated amortization</link:label>
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    <link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_7F7E6FE7FC94F40380619EF610265537_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock_7F7E6FE7FC94F40380619EF610265537" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid in Capital, Common Stock</link:label>
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    <link:label id="lab_us-gaap_StockholdersEquity_8F1540222652C383E2F69EF610261CB2_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity_8F1540222652C383E2F69EF610261CB2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_8F1540222652C383E2F69EF610261CB2" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_F081A1CDD4FB1CDD86679EF6102788A6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_954A2CFD77EF61BE5ED69EF610279933_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_954A2CFD77EF61BE5ED69EF610279933" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_954A2CFD77EF61BE5ED69EF610279933" xlink:type="locator" />
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    <link:label id="lab_mac_ConvertibleDebtLineOfCreditAndOtherNotesPayableTextBlock_FAB5CB375C3DF32B231CF35FCBAED020_terseLabel_en-US" xlink:label="lab_mac_ConvertibleDebtLineOfCreditAndOtherNotesPayableTextBlock_FAB5CB375C3DF32B231CF35FCBAED020" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank and Other Notes Payable</link:label>
    <link:label id="lab_mac_ConvertibleDebtLineOfCreditAndOtherNotesPayableTextBlock_FAB5CB375C3DF32B231CF35FCBAED020_label_en-US" xlink:label="lab_mac_ConvertibleDebtLineOfCreditAndOtherNotesPayableTextBlock_FAB5CB375C3DF32B231CF35FCBAED020" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Debt, Line of Credit and Other Notes Payable [Text Block]</link:label>
    <link:label id="lab_mac_ConvertibleDebtLineOfCreditAndOtherNotesPayableTextBlock_FAB5CB375C3DF32B231CF35FCBAED020_documentation_en-US" xlink:label="lab_mac_ConvertibleDebtLineOfCreditAndOtherNotesPayableTextBlock_FAB5CB375C3DF32B231CF35FCBAED020" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This element encapsulates disclosure pertaining to bank and other notes payable of the entity during the period. Bank and other notes payable include senior notes, term loans, line of credit and other notes.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_ConvertibleDebtLineOfCreditAndOtherNotesPayableTextBlock" xlink:label="loc_mac_ConvertibleDebtLineOfCreditAndOtherNotesPayableTextBlock_FAB5CB375C3DF32B231CF35FCBAED020" xlink:type="locator" />
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    <link:label id="lab_mac_NorthwesternMutualLifeMember_74EB29D0F5B07F93CA0ED5F0D7DBE18B_verboseLabel_en-US" xlink:label="lab_mac_NorthwesternMutualLifeMember_74EB29D0F5B07F93CA0ED5F0D7DBE18B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Northwestern Mutual Life (NML)</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_NorthwesternMutualLifeMember" xlink:label="loc_mac_NorthwesternMutualLifeMember_74EB29D0F5B07F93CA0ED5F0D7DBE18B" xlink:type="locator" />
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    <link:label id="lab_mac_UnconsolidatedJointVenturesMember_E1037E069A0153D1EDE7D5F0D7DB0656_terseLabel_en-US" xlink:label="lab_mac_UnconsolidatedJointVenturesMember_E1037E069A0153D1EDE7D5F0D7DB0656" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unconsolidated Joint Ventures</link:label>
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    <link:label id="lab_mac_UnconsolidatedJointVenturesMember_E1037E069A0153D1EDE7D5F0D7DB0656_documentation_en-US" xlink:label="lab_mac_UnconsolidatedJointVenturesMember_E1037E069A0153D1EDE7D5F0D7DB0656" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents unconsolidated joint ventures.</link:label>
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    <link:label id="lab_srt_AffiliatedEntityMember_E233DCCA463F97B958D0D5F0D7DB4C3E_terseLabel_en-US" xlink:label="lab_srt_AffiliatedEntityMember_E233DCCA463F97B958D0D5F0D7DB4C3E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Affiliated Entity</link:label>
    <link:label id="lab_srt_AffiliatedEntityMember_E233DCCA463F97B958D0D5F0D7DB4C3E_label_en-US" xlink:label="lab_srt_AffiliatedEntityMember_E233DCCA463F97B958D0D5F0D7DB4C3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Affiliated Entity [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_AffiliatedEntityMember" xlink:label="loc_srt_AffiliatedEntityMember_E233DCCA463F97B958D0D5F0D7DB4C3E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_C08553DDCDBF8C95EA85D5F0D7DD3DA5_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_C08553DDCDBF8C95EA85D5F0D7DD3DA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivable Type [Axis]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_C08553DDCDBF8C95EA85D5F0D7DD3DA5" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ReceivableTypeDomain_2C3A851DF441652EF5F5D5F0D7DD8C16_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivableTypeDomain_2C3A851DF441652EF5F5D5F0D7DD8C16" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivable Type [Domain]</link:label>
    <link:label id="lab_us-gaap_ReceivableTypeDomain_2C3A851DF441652EF5F5D5F0D7DD8C16_label_en-US" xlink:label="lab_us-gaap_ReceivableTypeDomain_2C3A851DF441652EF5F5D5F0D7DD8C16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivable [Domain]</link:label>
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    <link:label id="lab_mac_RelatedPartiesNoteReceivableRedConsolidatedHoldingsLlcMember_4FE6C747789C7DB67A77D5F0D7DE7944_terseLabel_en-US" xlink:label="lab_mac_RelatedPartiesNoteReceivableRedConsolidatedHoldingsLlcMember_4FE6C747789C7DB67A77D5F0D7DE7944" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related parties note receivable, RED Consolidated Holdings, LLC</link:label>
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    <link:label id="lab_us-gaap_NotesReceivableMember_9D27927785552D2DBEFFD5F0D7DE44DE_label_en-US" xlink:label="lab_us-gaap_NotesReceivableMember_9D27927785552D2DBEFFD5F0D7DE44DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Receivable [Member]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:label="loc_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_0B382979EE5B9C52A78CF35FCB715B59" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_0B382979EE5B9C52A78CF35FCB715B59" xlink:to="lab_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_0B382979EE5B9C52A78CF35FCB715B59" xlink:type="arc" />
    <link:label id="lab_mac_ScheduleOfJointVenturesTable_9363A02176972E91EB27A7BB9C80AE10_terseLabel_en-US" xlink:label="lab_mac_ScheduleOfJointVenturesTable_9363A02176972E91EB27A7BB9C80AE10" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Joint Ventures [Table]</link:label>
    <link:label id="lab_mac_ScheduleOfJointVenturesTable_9363A02176972E91EB27A7BB9C80AE10_label_en-US" xlink:label="lab_mac_ScheduleOfJointVenturesTable_9363A02176972E91EB27A7BB9C80AE10" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Joint Ventures [Table]</link:label>
    <link:label id="lab_mac_ScheduleOfJointVenturesTable_9363A02176972E91EB27A7BB9C80AE10_documentation_en-US" xlink:label="lab_mac_ScheduleOfJointVenturesTable_9363A02176972E91EB27A7BB9C80AE10" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A schedule providing information pertaining to the joint venture interests of the entity.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_ScheduleOfJointVenturesTable" xlink:label="loc_mac_ScheduleOfJointVenturesTable_9363A02176972E91EB27A7BB9C80AE10" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_ScheduleOfJointVenturesTable_9363A02176972E91EB27A7BB9C80AE10" xlink:to="lab_mac_ScheduleOfJointVenturesTable_9363A02176972E91EB27A7BB9C80AE10" xlink:type="arc" />
    <link:label id="lab_mac_ChandlerFashionCenterMember_26ED5124B6C2F398AA0AA7BB9C83D6B1_terseLabel_en-US" xlink:label="lab_mac_ChandlerFashionCenterMember_26ED5124B6C2F398AA0AA7BB9C83D6B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chandler Fashion Center</link:label>
    <link:label id="lab_mac_ChandlerFashionCenterMember_26ED5124B6C2F398AA0AA7BB9C83D6B1_label_en-US" xlink:label="lab_mac_ChandlerFashionCenterMember_26ED5124B6C2F398AA0AA7BB9C83D6B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chandler Fashion Center [Member]</link:label>
    <link:label id="lab_mac_ChandlerFashionCenterMember_26ED5124B6C2F398AA0AA7BB9C83D6B1_documentation_en-US" xlink:label="lab_mac_ChandlerFashionCenterMember_26ED5124B6C2F398AA0AA7BB9C83D6B1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the information pertaining to real estate property of the entity, Chandler Fashion Center.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_ChandlerFashionCenterMember" xlink:label="loc_mac_ChandlerFashionCenterMember_26ED5124B6C2F398AA0AA7BB9C83D6B1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_ChandlerFashionCenterMember_26ED5124B6C2F398AA0AA7BB9C83D6B1" xlink:to="lab_mac_ChandlerFashionCenterMember_26ED5124B6C2F398AA0AA7BB9C83D6B1" xlink:type="arc" />
    <link:label id="lab_mac_FreeholdRacewayMallMember_89C9E7D753B81C4A741DA7BB9C835400_terseLabel_en-US" xlink:label="lab_mac_FreeholdRacewayMallMember_89C9E7D753B81C4A741DA7BB9C835400" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Freehold Raceway Mall</link:label>
    <link:label id="lab_mac_FreeholdRacewayMallMember_89C9E7D753B81C4A741DA7BB9C835400_label_en-US" xlink:label="lab_mac_FreeholdRacewayMallMember_89C9E7D753B81C4A741DA7BB9C835400" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Freehold Raceway Mall [Member]</link:label>
    <link:label id="lab_mac_FreeholdRacewayMallMember_89C9E7D753B81C4A741DA7BB9C835400_documentation_en-US" xlink:label="lab_mac_FreeholdRacewayMallMember_89C9E7D753B81C4A741DA7BB9C835400" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the information pertaining to real estate property of the entity, Freehold Raceway Mall.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_FreeholdRacewayMallMember" xlink:label="loc_mac_FreeholdRacewayMallMember_89C9E7D753B81C4A741DA7BB9C835400" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_FreeholdRacewayMallMember_89C9E7D753B81C4A741DA7BB9C835400" xlink:to="lab_mac_FreeholdRacewayMallMember_89C9E7D753B81C4A741DA7BB9C835400" xlink:type="arc" />
    <link:label id="lab_srt_MinimumMember_C57F0674EEAB6247451AA7BB9C881B4A_terseLabel_en-US" xlink:label="lab_srt_MinimumMember_C57F0674EEAB6247451AA7BB9C881B4A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_C57F0674EEAB6247451AA7BB9C881B4A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MinimumMember_C57F0674EEAB6247451AA7BB9C881B4A" xlink:to="lab_srt_MinimumMember_C57F0674EEAB6247451AA7BB9C881B4A" xlink:type="arc" />
    <link:label id="lab_mac_ScheduleOfJointVenturesLineItems_D4573776155AB5F1F5A1A7BB9C892479_terseLabel_en-US" xlink:label="lab_mac_ScheduleOfJointVenturesLineItems_D4573776155AB5F1F5A1A7BB9C892479" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Joint Ventures [Line Items]</link:label>
    <link:label id="lab_mac_ScheduleOfJointVenturesLineItems_D4573776155AB5F1F5A1A7BB9C892479_label_en-US" xlink:label="lab_mac_ScheduleOfJointVenturesLineItems_D4573776155AB5F1F5A1A7BB9C892479" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Joint Ventures [Line Items]</link:label>
    <link:label id="lab_mac_ScheduleOfJointVenturesLineItems_D4573776155AB5F1F5A1A7BB9C892479_documentation_en-US" xlink:label="lab_mac_ScheduleOfJointVenturesLineItems_D4573776155AB5F1F5A1A7BB9C892479" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_ScheduleOfJointVenturesLineItems" xlink:label="loc_mac_ScheduleOfJointVenturesLineItems_D4573776155AB5F1F5A1A7BB9C892479" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_ScheduleOfJointVenturesLineItems_D4573776155AB5F1F5A1A7BB9C892479" xlink:to="lab_mac_ScheduleOfJointVenturesLineItems_D4573776155AB5F1F5A1A7BB9C892479" xlink:type="arc" />
    <link:label id="lab_mac_JointVentureOwnershipPercentageSold_126DE6F719E15BE70F10A7BB9C895566_terseLabel_en-US" xlink:label="lab_mac_JointVentureOwnershipPercentageSold_126DE6F719E15BE70F10A7BB9C895566" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of loan assumed by third party</link:label>
    <link:label id="lab_mac_JointVentureOwnershipPercentageSold_126DE6F719E15BE70F10A7BB9C895566_label_en-US" xlink:label="lab_mac_JointVentureOwnershipPercentageSold_126DE6F719E15BE70F10A7BB9C895566" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Joint Venture Ownership Percentage Sold</link:label>
    <link:label id="lab_mac_JointVentureOwnershipPercentageSold_126DE6F719E15BE70F10A7BB9C895566_documentation_en-US" xlink:label="lab_mac_JointVentureOwnershipPercentageSold_126DE6F719E15BE70F10A7BB9C895566" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of ownership interest in the joint venture sold by the entity during the period.</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_JointVentureOwnershipPercentageSold" xlink:label="loc_mac_JointVentureOwnershipPercentageSold_126DE6F719E15BE70F10A7BB9C895566" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_JointVentureOwnershipPercentageSold_126DE6F719E15BE70F10A7BB9C895566" xlink:to="lab_mac_JointVentureOwnershipPercentageSold_126DE6F719E15BE70F10A7BB9C895566" xlink:type="arc" />
    <link:label id="lab_mac_FairValueInputsFinancingArrangementOperatingIncomeMultiple_003C87B2440EB9FBCDEAA7BB9C8A2B31_terseLabel_en-US" xlink:label="lab_mac_FairValueInputsFinancingArrangementOperatingIncomeMultiple_003C87B2440EB9FBCDEAA7BB9C8A2B31" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating income multiple</link:label>
    <link:label id="lab_mac_FairValueInputsFinancingArrangementOperatingIncomeMultiple_003C87B2440EB9FBCDEAA7BB9C8A2B31_label_en-US" xlink:label="lab_mac_FairValueInputsFinancingArrangementOperatingIncomeMultiple_003C87B2440EB9FBCDEAA7BB9C8A2B31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Inputs, Financing Arrangement, Operating Income Multiple</link:label>
    <link:label id="lab_mac_FairValueInputsFinancingArrangementOperatingIncomeMultiple_003C87B2440EB9FBCDEAA7BB9C8A2B31_documentation_en-US" xlink:label="lab_mac_FairValueInputsFinancingArrangementOperatingIncomeMultiple_003C87B2440EB9FBCDEAA7BB9C8A2B31" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value Inputs, Financing Arrangement, Operating Income Multiple</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_FairValueInputsFinancingArrangementOperatingIncomeMultiple" xlink:label="loc_mac_FairValueInputsFinancingArrangementOperatingIncomeMultiple_003C87B2440EB9FBCDEAA7BB9C8A2B31" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_FairValueInputsFinancingArrangementOperatingIncomeMultiple_003C87B2440EB9FBCDEAA7BB9C8A2B31" xlink:to="lab_mac_FairValueInputsFinancingArrangementOperatingIncomeMultiple_003C87B2440EB9FBCDEAA7BB9C8A2B31" xlink:type="arc" />
    <link:label id="lab_mac_FinancingArrangementDiscountRate_18983384DF8E73F1C6F8A7BB9C8AE65B_terseLabel_en-US" xlink:label="lab_mac_FinancingArrangementDiscountRate_18983384DF8E73F1C6F8A7BB9C8AE65B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discount rate</link:label>
    <link:label id="lab_mac_FinancingArrangementDiscountRate_18983384DF8E73F1C6F8A7BB9C8AE65B_label_en-US" xlink:label="lab_mac_FinancingArrangementDiscountRate_18983384DF8E73F1C6F8A7BB9C8AE65B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Arrangement, Discount Rate</link:label>
    <link:label id="lab_mac_FinancingArrangementDiscountRate_18983384DF8E73F1C6F8A7BB9C8AE65B_documentation_en-US" xlink:label="lab_mac_FinancingArrangementDiscountRate_18983384DF8E73F1C6F8A7BB9C8AE65B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Arrangement, Discount Rate</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_FinancingArrangementDiscountRate" xlink:label="loc_mac_FinancingArrangementDiscountRate_18983384DF8E73F1C6F8A7BB9C8AE65B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_FinancingArrangementDiscountRate_18983384DF8E73F1C6F8A7BB9C8AE65B" xlink:to="lab_mac_FinancingArrangementDiscountRate_18983384DF8E73F1C6F8A7BB9C8AE65B" xlink:type="arc" />
    <link:label id="lab_us-gaap_FinanceLeasedAssetMeasurementInput_298A71E29ED9698C7DCEA7BB9C8A28DC_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeasedAssetMeasurementInput_298A71E29ED9698C7DCEA7BB9C8A28DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market rents per square foot</link:label>
    <link:label id="lab_us-gaap_FinanceLeasedAssetMeasurementInput_298A71E29ED9698C7DCEA7BB9C8A28DC_label_en-US" xlink:label="lab_us-gaap_FinanceLeasedAssetMeasurementInput_298A71E29ED9698C7DCEA7BB9C8A28DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance Leased Asset, Measurement Input</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinanceLeasedAssetMeasurementInput" xlink:label="loc_us-gaap_FinanceLeasedAssetMeasurementInput_298A71E29ED9698C7DCEA7BB9C8A28DC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinanceLeasedAssetMeasurementInput_298A71E29ED9698C7DCEA7BB9C8A28DC" xlink:to="lab_us-gaap_FinanceLeasedAssetMeasurementInput_298A71E29ED9698C7DCEA7BB9C8A28DC" xlink:type="arc" />
    <link:label id="lab_mac_IncomeLossfromJointVenture_9A4105DFA132B9DED248D5F0D8299D45_negatedLabel_en-US" xlink:label="lab_mac_IncomeLossfromJointVenture_9A4105DFA132B9DED248D5F0D8299D45" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Distributions of the partner's share of net income</link:label>
    <link:label id="lab_mac_IncomeLossfromJointVenture_9A4105DFA132B9DED248D5F0D8299D45_label_en-US" xlink:label="lab_mac_IncomeLossfromJointVenture_9A4105DFA132B9DED248D5F0D8299D45" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Joint Venture</link:label>
    <link:label id="lab_mac_IncomeLossfromJointVenture_9A4105DFA132B9DED248D5F0D8299D45_documentation_en-US" xlink:label="lab_mac_IncomeLossfromJointVenture_9A4105DFA132B9DED248D5F0D8299D45" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income (Loss) from Joint Venture</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_IncomeLossfromJointVenture" xlink:label="loc_mac_IncomeLossfromJointVenture_9A4105DFA132B9DED248D5F0D8299D45" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_IncomeLossfromJointVenture_9A4105DFA132B9DED248D5F0D8299D45" xlink:to="lab_mac_IncomeLossfromJointVenture_9A4105DFA132B9DED248D5F0D8299D45" xlink:type="arc" />
    <link:label id="lab_mac_JointVentureDistributionsinExcessofPartnerShareofIncomeLoss_F879B579B4D3C47DACE9D5F0D82905A3_negatedLabel_en-US" xlink:label="lab_mac_JointVentureDistributionsinExcessofPartnerShareofIncomeLoss_F879B579B4D3C47DACE9D5F0D82905A3" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Distributions in excess of the partner's share of net income</link:label>
    <link:label id="lab_mac_JointVentureDistributionsinExcessofPartnerShareofIncomeLoss_F879B579B4D3C47DACE9D5F0D82905A3_label_en-US" xlink:label="lab_mac_JointVentureDistributionsinExcessofPartnerShareofIncomeLoss_F879B579B4D3C47DACE9D5F0D82905A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Joint Venture, Distributions in Excess of Partner Share of Income (Loss)</link:label>
    <link:label id="lab_mac_JointVentureDistributionsinExcessofPartnerShareofIncomeLoss_F879B579B4D3C47DACE9D5F0D82905A3_documentation_en-US" xlink:label="lab_mac_JointVentureDistributionsinExcessofPartnerShareofIncomeLoss_F879B579B4D3C47DACE9D5F0D82905A3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Joint Venture, Distributions in Excess of Partner Share of Income (Loss)</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_JointVentureDistributionsinExcessofPartnerShareofIncomeLoss" xlink:label="loc_mac_JointVentureDistributionsinExcessofPartnerShareofIncomeLoss_F879B579B4D3C47DACE9D5F0D82905A3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_JointVentureDistributionsinExcessofPartnerShareofIncomeLoss_F879B579B4D3C47DACE9D5F0D82905A3" xlink:to="lab_mac_JointVentureDistributionsinExcessofPartnerShareofIncomeLoss_F879B579B4D3C47DACE9D5F0D82905A3" xlink:type="arc" />
    <link:label id="lab_mac_FairValueAdjustmentofFinanceObligation_AE9A13F7861772072E10D5F0D82A1BBF_terseLabel_en-US" xlink:label="lab_mac_FairValueAdjustmentofFinanceObligation_AE9A13F7861772072E10D5F0D82A1BBF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment to fair value of financing arrangement obligation</link:label>
    <link:label id="lab_mac_FairValueAdjustmentofFinanceObligation_AE9A13F7861772072E10D5F0D82A1BBF_label_en-US" xlink:label="lab_mac_FairValueAdjustmentofFinanceObligation_AE9A13F7861772072E10D5F0D82A1BBF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Adjustment of Finance Obligation</link:label>
    <link:label id="lab_mac_FairValueAdjustmentofFinanceObligation_AE9A13F7861772072E10D5F0D82A1BBF_documentation_en-US" xlink:label="lab_mac_FairValueAdjustmentofFinanceObligation_AE9A13F7861772072E10D5F0D82A1BBF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value Adjustment of Finance Obligation</link:label>
    <link:loc xlink:href="mac-20180930.xsd#mac_FairValueAdjustmentofFinanceObligation" xlink:label="loc_mac_FairValueAdjustmentofFinanceObligation_AE9A13F7861772072E10D5F0D82A1BBF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mac_FairValueAdjustmentofFinanceObligation_AE9A13F7861772072E10D5F0D82A1BBF" xlink:to="lab_mac_FairValueAdjustmentofFinanceObligation_AE9A13F7861772072E10D5F0D82A1BBF" xlink:type="arc" />
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    <link:loc xlink:href="mac-20180930.xsd#mac_InterestIncomeExpenseRelatedParty" xlink:label="loc_mac_InterestIncomeExpenseRelatedParty_6738E2D9085499009B73D5F0D82A9F06" xlink:type="locator" />
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