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NHTSA complaint #11715247

This page summarizes an official U.S. National Highway Traffic Safety Administration owner complaint. Use the verification links below to confirm the record directly with NHTSA.

Vehicle

2020 MERCEDES-BENZ GLC 300

Manufacturer

Mercedes-Benz USA, LLC

Components

VISIBILITY

Dates

Incident: 02/03/2026
Filed: 02/03/2026

Owner complaint summary

The contact owns a 2020 Mercedes-Benz GLC300. The contact stated that while driving at an undisclosed speed, the panoramic roof unexpectedly shattered. There was no warning light illuminated. The vehicle was taken to the dealer, where it was determined that the panoramic sunroof and the sunroof protector needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure, and a case was opened. The approximate failure mileage was 53,035.

This is an owner complaint filed with NHTSA (ODI #11715247). It is not automatically an official recall, investigation outcome, or manufacturer admission unless the complaint text itself describes one.
NHTSA datasets & APIsAll complaints for this vehicleRaw NHTSA JSON (ODI #11715247)Back to reports

Official record ID (ODI): 11715247. This page is the human-readable source link used across afterwarranty. The raw JSON link proxies NHTSA's public API for machine verification; prefer this page when reading the complaint.