What Is An Auxiliary Battery. Your vehicle has 2 batteries starter in engine compartment aux in trunk. Any accessories that were removed for access are reinstalled.

It does a number of jobs depending on what model of car its installed in. Aux battery is under the battery panel in the trunk the positive and negative cables are held in by 2 10mm bolts and there is a strap holding the battery down. The battery is the original battery.
The auxiliary battery powers less vital functions.
Mercedes-Benz Auxiliary Battery Malfunction comes on when the secondary auxilary battery fails and no longer holds a charge. It looks like a motorcycle AGM battery youll probably have to bring it with you to find a match the battery computer at Walmart only shows the main vehicle battery at a reasonable. What is auxiliary battery used for. It does a number of jobs depending on what model of car its installed in.
