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NHTSA complaint #11646016

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

2019 MERCEDES-BENZ GLC 350

Manufacturer

Mercedes-Benz USA, LLC

Components

ENGINE AND ENGINE COOLING,ENGINE

Dates

Incident: 02/04/2025
Filed: 03/03/2025

Owner complaint summary

The contact owns a 2019 Mercedes-Benz GLC350. The contact stated while driving 62 MPH, several unknown warning lights illuminated, and the vehicle started to lose motive power. The contact stated that the temperature gauge warning light was illuminated and a message to “Stop Vehicle Immediately” was displayed. The contact attempted to merge to the side of the road; however, the vehicle started losing motive power. The vehicle was towed to a dealer where it was diagnosed with a warped head gasket. The local dealer was contacted; however, the vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 63,000.

This is an owner complaint filed with NHTSA (ODI #11646016). 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 #11646016)Back to reports

Official record ID (ODI): 11646016. 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.