Sup, iam Richard Rohr, Have a Rock-and-Roll Day!
Why Does Mercedes E350 Have 2 Batteries? [Solved]
Your Mercedes-Benz E 350 has two batteries - a regular 12-volt starting battery and a smaller, secondary auxiliary battery used to keep all electrical components turned on.
Auxiliary Battery Malfunction: Mercedes E Class W212 Replace
Did
Mercedes E350 W212 auxiliary battery location and malfunction DIY fix! Step by step replacement!
In this video Mike Icee will replace the auxiliary
Mercedes-Benz E350 (Main/Aux) - New Battery Install
Learn how to install a new main and auxiliary
