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Service bulletin LI27 50-P-064440

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 id10157086
Published by NHTSA2019-04-08
Manufacturer's numberLI27 50-P-064440
Manufacturer's date2017-08-21
NHTSA componentPOWER TRAIN

NHTSA's summary

7G-DCT: Scratching noise when changing gear from D to R with transmission cold.

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 AMG GLA452015 to 2018
MERCEDES-BENZ CLA1172011 to 2013
MERCEDES-BENZ GLA 2502015 to 2019

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