WenmarOpen by Wenmar Pro

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 id10144083
Published by NHTSA2018-09-04
Manufacturer's numberLI77 21-P-063617
Manufacturer's date2018-03-14
NHTSA componentSTRUCTURE:BODY:ROOF AND PILLARS

NHTSA's summary

Pop-up roof: 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

Vehicles listed
MERCEDES BENZ C2052016
MERCEDES BENZ GLC2016
MERCEDES BENZ S2222016
MERCEDES BENZ S2222018
MERCEDES-BENZ AMG GLA452015 to 2018
MERCEDES-BENZ CLA1172011 to 2013
MERCEDES-BENZ GLA 2502015 to 2018
MERCEDES-BENZ GLE292 COUPE2016

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