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Service bulletin LI3531P072107

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 id10202525
Published by NHTSA2021-10-25
Manufacturer's numberLI3531P072107
Manufacturer's date2021-06-07
NHTSA componentENGINE; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); ELECTRICAL SYSTEM

NHTSA's summary

Communication codes with control unit AWD_M-FA2-N15/17-All-wheel drive (transfercase)

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, Transmission and driveline, Transfer case

Vehicles listed
MERCEDES-BENZ MERCEDES-BENZ

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