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Service bulletin LI27.00-P-078372

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 id11007793
Published by NHTSA2024-09-14
Manufacturer's numberLI27.00-P-078372
Manufacturer's date2024-09-11
NHTSA componentELECTRICAL SYSTEM; POWER TRAIN

NHTSA's summary

Complaint Reverse unavailable message, Possible Limp home and Check Engine Light. Resolved after Key-Cycle Cause Fault code P092100 with the fault environment data starting with the HEX blocks: 01 01 00 08 02 00 40 08 02. Additionally fault code P07FF00 can be present Remedy Software has been released and available for update through Xentry

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, Transmission and driveline

Trouble codes named

P07FF, P0921

Vehicles listed
MERCEDES-BENZ AMG CLA352024
MERCEDES-BENZ AMG CLA452024
MERCEDES-BENZ AMG GLA 352024
MERCEDES-BENZ AMG GLB352024
MERCEDES-BENZ CLA 2502024
MERCEDES-BENZ GLA 2502024
MERCEDES-BENZ GLB 2502024

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