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Service bulletin LI35.31-P-072107

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 id10186134
Published by NHTSA2021-02-01
Manufacturer's numberLI35.31-P-072107
Manufacturer's date2020-11-12
NHTSA componentPOWER TRAIN

NHTSA's summary

Communication errors with control unit AWD_M- FA2 - N15/17 - All-wheel drive (transfer case)

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

Transmission and driveline

Vehicles listed
MERCEDES-BENZ A 2202019
MERCEDES-BENZ AMG A352020 to 2021
MERCEDES-BENZ AMG A452020
MERCEDES-BENZ AMG C63 S2019
MERCEDES-BENZ AMG CLA352020 to 2021
MERCEDES-BENZ AMG CLA452020 to 2021
MERCEDES-BENZ AMG GLA452020
MERCEDES-BENZ CLA 2502019 to 2021
MERCEDES-BENZ GLA 2502019 to 2021

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