    <SEC-DOCUMENT>0001193125-18-070672-index.html : 20180305
    <SEC-HEADER>0001193125-18-070672.hdr.sgml : 20180305
    <ACCEPTANCE-DATETIME>20180305171107
    ACCESSION NUMBER:		0001193125-18-070672
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		10
    CONFORMED PERIOD OF REPORT:	20180305
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Termination of a Material Definitive Agreement
    ITEM INFORMATION:		Material Modifications to Rights of Security Holders
    ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20180305
    DATE AS OF CHANGE:		20180305

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			GENTHERM Inc
    		CENTRAL INDEX KEY:			0000903129
    		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
    		IRS NUMBER:				954318554
    		STATE OF INCORPORATION:			MI
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-21810
    		FILM NUMBER:		18667237

    	BUSINESS ADDRESS:
    		STREET 1:		21680 HAGGERTY ROAD
    		CITY:			NORTHVILLE
    		STATE:			MI
    		ZIP:			48167-8994
    		BUSINESS PHONE:		248-504-0500

    	MAIL ADDRESS:
    		STREET 1:		21680 HAGGERTY ROAD
    		CITY:			NORTHVILLE
    		STATE:			MI
    		ZIP:			48167-8994

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	AMERIGON INC
    		DATE OF NAME CHANGE:	19930503
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>d544984d8k.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: d544984d8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-3.1
    <SEQUENCE>2
    <FILENAME>d544984dex31.htm
    <DESCRIPTION>EX-3.1
    <TEXT>
    Document 2 - file: d544984dex31.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-3.2
    <SEQUENCE>3
    <FILENAME>d544984dex32.htm
    <DESCRIPTION>EX-3.2
    <TEXT>
    Document 3 - file: d544984dex32.htm

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    <SEQUENCE>4
    <FILENAME>d544984dex41.htm
    <DESCRIPTION>EX-4.1
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    Document 4 - file: d544984dex41.htm

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    <SEQUENCE>5
    <FILENAME>d544984dex991.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 5 - file: d544984dex991.htm

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    <SEQUENCE>6
    <FILENAME>g544984g01u24.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g544984g01u24.jpg

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    <DOCUMENT>
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    <SEQUENCE>7
    <FILENAME>g544984g0305042303525.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g544984g0305042303525.jpg

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    <DOCUMENT>
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    <SEQUENCE>8
    <FILENAME>g544984g12d45.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g544984g12d45.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g544984g19o86.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g544984g19o86.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g544984g60e75.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g544984g60e75.jpg

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    </SEC-DOCUMENT>