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Service bulletin LI77.21-P-064406

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 id10136099
Published by NHTSA2018-05-07
Manufacturer's numberLI77.21-P-064406
Manufacturer's date2016-06-30
NHTSA componentVISIBILITY:SUN/MOON ROOF ASSEMBLY; BACK OVER PREVENTION

NHTSA's summary

Pop-up roof wind deflector, whistling noise with glass panel open between approx. 40 and 80 mph

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

Driver assistance, Glass, wipers and mirrors, Backup camera, Sunroof

Vehicles listed
MERCEDES-BENZ E2132016 to 2018

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