The auxBattery in the 2014 E350 is in the trunk under the spare tire. This battery's job is simple “ it provides the electricity needed to start the engine. The primary battery delivers voltage during cranking, and the auxiliary battery runs some or most of the car's accessories. Auxiliary batteries like all other car components wear out over time so at some point You will eventually have to replace it. It's not recommended to drive when You're experiencing issues with Your auxiliary battery.Properly cared for and maintained, You can expect anywhere from 18 months to 3 years of life from an auxiliary 12-volt battery. Much will depend on frequency of use, and how well the battery is protected. Rough roads can cause the cells to break down, reducing the lifespan.
Miranda J
July 16, 2020
The 2014 mercedes e350 auxiliary battery is located under the spare tire in the trunk.
Noe
February 18, 2023
Where is the auxiliary battery of a mercedes benz 2014 e350
Phil G.
January 14, 2023
I have a E250 Bluetec, and it's auxiliary battery is in the spare tire well in the trunk.
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