WenmarOpen by Wenmar Pro

Service bulletin LI54.21-P-061171

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 id10135602
Published by NHTSA2018-05-07
Manufacturer's numberLI54.21-P-061171
Manufacturer's date2015-03-30
NHTSA componentENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

Message in instrument cluster "Measurement of engine oil level not possible"

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

Engine, Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
MERCEDES-BENZ AMG GT2017, 2018
MERCEDES-BENZ AMG GT C2018 (the catalog's model; the bulletin names a series or trim of it)
MERCEDES-BENZ AMG GT C ROADSTER2017 (the catalog's model; the bulletin names a series or trim of it)
MERCEDES-BENZ AMG GT R2018 (the catalog's model; the bulletin names a series or trim of it)
MERCEDES-BENZ AMG GT ROADSTER2018 (the catalog's model; the bulletin names a series or trim of it)
MERCEDES-BENZ AMG GT S2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)

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