how to replace auxillary battery

Asked by Guru681QC Mar 29, 2020 at 09:16 AM about the 2015 Mercedes-Benz SL-Class SL 400

Question type: Maintenance & Repair

1 Answer
40,110

TDolby answered 4 years ago

Seach online, there are plenty of DIY's out there. It is no different than replacing a regular battery on a vehicle. Remove the negative battery cable first and reverse the order when installing the new one. You might have to remove some parts to access, like the cabin air filter assembly.

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