Why does the Mercedes-Benz C200 dashboard display an auxiliary battery malfunction?

1 Answers
ReaganDella
07/29/25 6:47pm
The reasons for the Mercedes-Benz C200 dashboard displaying an auxiliary battery malfunction include: auxiliary battery fuse damage; auxiliary battery damage; generator or charging system failure; related wiring harness failure, etc. Checking wiring issues: Inspect the internal wiring of the car and whether there is a problem with the auxiliary battery. If it is a related wiring fault, replace or repair the faulty wiring. Replacing the auxiliary battery: If the problem lies with the auxiliary battery, determine whether it is due to insufficient internal voltage or internal damage. Address the issue accordingly by replacing or repairing the auxiliary battery.
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