Mercedes E220 Auxiliary Battery Location. Locate and test the battery. Get a jump box that is powerful enough to turn over a Mercedes-Benz engine.
The S Class and CLS have the consumer battery in the trunk next to the spare tire. The monovalve is located on the firewall in the engine compartment just inboard of the battery. Genuine OEM Mercedes Secondary Battery eBay link PN.
Mercedes Benz E-Class W212 E220d Bluet.
The diagram is for Petrol and Diesel engine models. 2010 E350 W212 Aux Battery Replacement. The dashboard is showing the Auxiliary battery is malfunctioning. To access the battery you will need to completely detach all connecting parts in addition to removing the carpet so that you can gain possession of the battery.
