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Service bulletin NCU-2020080006

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 id10179974
Published by NHTSA2020-09-21
Manufacturer's numberNCU-2020080006
Manufacturer's date2020-08-21
NHTSA componentPOWER TRAIN:AXLE ASSEMBLY; WHEELS

NHTSA's summary

Check seal bellows at wheel carrier supporting joint of left and right rear axle, replace if necessary

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, Wheels, Axle

Vehicles listed
MERCEDES-BENZ AMG GLC432020
MERCEDES-BENZ C 3002020
MERCEDES-BENZ C 3502020

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