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Service bulletin LI54.10-P-079955

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11024513
Published by NHTSA2025-10-28
Manufacturer's numberLI54.10-P-079955
Manufacturer's date2025-10-27
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Trouble codes named

P0A7F

Vehicles listed
MERCEDES-BENZ AMG EQE2023 to 2024
MERCEDES-BENZ AMG EQE SUV 4MATIC2024 to 2025
MERCEDES-BENZ AMG S 63 E 4MATIC+2023 to 2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.