MERCEDES-BENZ

LI54.10-P-079955

2025-10-27 · NHTSA 11024513

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

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.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.