How to Replace Main and Aux Battery Mercedes E Class S Class SL - Step by Step Guide

Is your Mercedes E-Class, S-Class, or SL-Class acting up? It might be time for a battery replacement. In this video, we dive into the process of replacing both the main and auxiliary batteries on a 2005 E320, but the steps can be applied to many other Mercedes models.

Join us as we guide you through the entire process, from disconnecting the old batteries to installing the new ones. With clear instructions and helpful tips, you'll be able to tackle this task confidently and save yourself some money.

Key points covered in this video:

- Identifying the main and auxiliary batteries
- Disconnecting the old batteries safely
- Installing the new batteries correctly
- Troubleshooting common issues
- Reprogramming Windows, ESP and Sunroof

Of course, with anything automotive, proceed with caution and always follow safety procedures. Take care and proceed at your own risk.

We hope this helps you! Tell us what your model of Mercedes you have and any special tips down in the comments.

Thanks for watching, we hope you have a great day!

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[CLMBZ]

Great video but why didn't you get a benz battery?

[pavmx]

Okay so are there 2 auxiliary batteries because I keep seeing some people change a battery behind the steering wheel and another under the glove box and they all call them both "auxiliary" batteries. So what gives?