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Service bulletin LI77 21-P-066975

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 id10157093
Published by NHTSA2019-04-08
Manufacturer's numberLI77 21-P-066975
Manufacturer's date2017-08-31
NHTSA componentVISIBILITY:SUN/MOON ROOF ASSEMBLY

NHTSA's summary

Pop-up roof (ASD) reverses direction intermittently (from the tilt position) when closing

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

Glass, wipers and mirrors, Sunroof

Vehicles listed
MERCEDES-BENZ CLA1172011 to 2013

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