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Service bulletin LI54.10-P-071832

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 id10217159
Published by NHTSA2022-08-04
Manufacturer's numberLI54.10-P-071832
Manufacturer's date2022-07-20
NHTSA componentENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM

NHTSA's summary

Complaint - Vehicle cannot be unlocked/ vehicle does not start - Display message in instrument cluster "Battery - Start Engine - see Operator's Manual Cause Root cause is a bus keepawake in either the Headlight control unit or in one of the following: ALC, IC, SAM, PTCU, ESP. Additionally, the quick test will show U116000 "A bus keepawake control unit has been detected" in the electronic ignition switch (EZS) control unit for this root cause. Remedy Eliminate bus keep awake issue flash new software where available:

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, Engine, Equipment and accessories

Vehicles listed
MERCEDES-BENZ A 2202019 to 2022
MERCEDES-BENZ AMG A352020 to 2021
MERCEDES-BENZ AMG A452020
MERCEDES-BENZ AMG CLA352020 to 2022
MERCEDES-BENZ AMG CLA452019 to 2022
MERCEDES-BENZ AMG GLA352021 to 2022
MERCEDES-BENZ AMG GLA452020 to 2022
MERCEDES-BENZ AMG GLA45 S2021
MERCEDES-BENZ AMG GLB352020 to 2022
MERCEDES-BENZ CLA2022
MERCEDES-BENZ CLA 2502019 to 2021
MERCEDES-BENZ GLA 2502020 to 2022
MERCEDES-BENZ GLB 2002020
MERCEDES-BENZ GLB 2502020 to 2022

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