# 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.

- Type: Service bulletin
- NHTSA id: 10136173
- Published by NHTSA: 2018\-05\-07
- Manufacturer's number: LI77.21\-P\-063617
- Manufacturer's date: 2016\-04\-12
- NHTSA component: VISIBILITY:GLASS, SIDE/REAR; VISIBILITY:SUN/MOON ROOF ASSEMBLY; EQUIPMENT

## NHTSA's summary

Panoramic roof: Glass roof jams or cannot be opened, drive unit makes rattling noises

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10136173-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10136173-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories, Glass, wipers and mirrors, Sunroof

## Vehicles listed

- MERCEDES\-BENZ MERCEDES\-BENZ

JSON: [/v1/bulletins/10136173](/v1/bulletins/10136173)

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