What does auxiliary battery malfunction mean when it shows up on my dashboard

Asked by paigesteffl Jul 31, 2017 at 06:17 AM about the 2015 Mercedes-Benz E-Class E 350 Sedan RWD

Question type: Maintenance & Repair

5 Answers
3,265

John answered 6 years ago

Probably time to replace the aux. battery, Not a huge deal, easily done

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3,265

John answered 6 years ago

But seems too soon, get thee to a dealer.

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40

Sheldon answered 4 years ago

Where is the auxiliary battery on a 2015 CLS 400 4 matic

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Sheldon answered 4 years ago

Where is the auxiliary battery on a 2015 CLS 400 4 Matic

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3,265

John answered 4 years ago

Look under the floor in the trunk, passenger side. Easy to replace. Spring for the OEM on amazon or ebay or pelican parts, etc. I know the pic is of a 2013, but its probably the same from a 2015

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