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Service bulletin LI77 21-P-063617

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 id10158284
Published by NHTSA2019-04-15
Manufacturer's numberLI77 21-P-063617
Manufacturer's date2017-07-19
NHTSA componentVISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE:BODY:ROOF AND PILLARS

NHTSA's summary

Pop-up roof: Glass roof jams or cannot be opened, drive unit makes rattling noises

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

Body and frame, Glass, wipers and mirrors, Sunroof

Vehicles listed
MERCEDES BENZ C2052015 to 2019
MERCEDES BENZ S2222016 to 2019
MERCEDES-BENZ A1762011 to 2013
MERCEDES-BENZ CLA1172011 to 2013
MERCEDES-BENZ GLC2015
MERCEDES-BENZ GLC2017 to 2018
MERCEDES-BENZ GLE2016 to 2020
MERCEDES-BENZ GLE292 COUPE2016
MERCEDES-BENZ MERCEDES-BENZ

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