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Do All Mercedes Have 2 Batteries? [Solved]
A. Some Mercedes models have two batteries, a main starting battery located in the trunk and a secondary smaller battery located under the hood near the windshield on the passenger side of the car. Essentially there is so much electrical demand on this car it needs two batteries.11 Dec 2014
Does your Mercedes vehicle have one battery – or two?
Do
Mercedes SL500 - Why Two Batteries and How to Protect Them.
Link to
HOW TO Remove & Replace Mercedes Auxiliary Battery
mercedes