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Where to Find and How to Access the Auxiliary Battery of a Mercedes S-Class?

Model: Mercedes Classe S W221, MK 5 - Years: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Part: Battery

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Video tutorial

Hello, today you will discover where to find and how to access the auxiliary battery of your Mercedes S-Class. Start by opening the driver’s door.

Next, you need to pry off and remove the cover located on the left side of the dashboard by using a thin but sturdy tool. Once this is done, move the fuse box by unscrewing the securing screws.

After completing this step, you will have accessed the auxiliary battery of your Mercedes S-Class, and you can proceed to replace it.


Updated on 31 October 2026 by ScegliAuto


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by ScegliAuto

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