2017 Mercedes-Benz GLC Visibility (wipers, defrost, mirrors) Problems

“We were driving down the freeway, traveling approximately 65 MPH in oakland, ca. The weather was clear - no rain and approximately 60 degrees. All of a sudden, there was a loud noise like a gunshot and our panaramic sunroof shattered. At the time, we had a cargo box on top of the car (on a frame that was not touching the sunroof) so it is unlikely any projectile could have hit the car. The cargo box was still affixed to the car and secure after the incident. It was not an extreme temperature, nor was there any extreme weather (rain, snow, hail) at the time. There were no underpasses nearby. …”

“The contact owns a 2017 Mercedes Benz GLC300. The contact stated while driving approximately 55 mph, suddenly there was a loud sound and vibration coming from the vehicle. After stopping the vehicle, it was discovered that sections of the panoramic roof had separated and dislodged from the vehicle. The vehicle was taken to the local dealer who indicated that the vehicle was included in the NHTSA recall campaign number 21V197000 (Structure) however, the part needed to repair the vehicle was not yet available. The manufacturer was notified of the failure. The failure mileage was 62,000.”