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Where is the auxiliary battery located in the Mercedes S400?

1 Answers

NadiaFitz

07/29/25 9:22pm

Mercedes S400 auxiliary battery is located on the right side of the trunk. Here are the specific details: 1. Auxiliary Battery Introduction: It is a very small battery whose main function is to power the car's entertainment system, windows, lighting system, etc. The maintenance of the auxiliary battery should be the same as that of the main battery. When the battery is low on power, it should be charged in time to avoid affecting the battery's lifespan. 2. Function of the Auxiliary Battery: It powers the entertainment system, windows, and lighting system during startup. If there is an auxiliary battery fault, the meaning of the fault code should be checked for repair. Possible issues include low battery voltage or battery damage. Common Issues with Battery Daily Use: Factors affecting the battery's lifespan, apart from the design and manufacturing quality of the battery product itself, are closely related to many other factors. Compared to regions with lower average temperatures, the actual lifespan of the battery is shorter in regions with higher temperatures. The more electrical appliances in the car and the higher their frequency of use, the shorter the battery's lifespan.

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