MERCEDES-BENZ
LI54.10-P-079955
Manufacturer communications
- Publication date
- 2025-10-27
- Received by NHTSA
- 2025-10-28
- NHTSA record numbers
- 11024513
Manufacturer summary
Original wording in English
Complaint Suspension fault message: “Drive max. 50 mph” Fault code P0A7F53 - The aging limit of the high-voltage battery module has been reached. Cause Incorrect determination of the aging limit of the 48V battery due to a software error. If fault code P0A7F53 is set, the 48V battery irreversibly ceases to function, resulting in limited operation of the electric roll stabilization (eARS). Remedy Replacement of the 48V battery and flashing the current software for the control unit LIB48_177.
Reported code forms
Check vehicle applicability
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