E-Class (W212) 2010 - 2016: E 350, E 550
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where is my Auxiliary Battery in 2013 E350? Ive looked in the trunk but don't know.

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Old Aug 15, 2018 | 10:39 PM
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e350
where is my Auxiliary Battery in 2013 E350? Ive looked in the trunk but don't know.

It's a 2013 E350 and I don't know where the battery is located. Any help will be much appreciated.
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Old Aug 16, 2018 | 10:55 AM
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From: Just north of Detroit,Michigan
2012 E350 4Matic P2
Main battery is located on the right side ie passenger side engine compartment on the fire wall. Auxiliary battery is under the dash on the left hand side.

Bob
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W212 Batteries.pdf (122.8 KB, 853 views)
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Old Aug 16, 2018 | 05:18 PM
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2011 E550 P2 4M Sedan
If you have ECO stop/start (engine cuts when idle at stoplight) then it is under the trunk liner close to the back seat right side I think. If you don't have ECO stop/start, then it's in the dash on left side.
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Old Aug 16, 2018 | 07:49 PM
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There is a great YouTube video how to replace if under dash. Easy diy.
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