2017 Mercedes-benz GLC-Class Complaints

  • Fuel/propulsion System 02/05/2026

    I smell gas in my car. There is a recall for the fuel parts on the 2019. I have a 2017 with the same issue.

  • Seat Belts 12/15/2025

    The contact owns a 2017 Mercedes-Benz GLC300. The contact stated that while parked and attempting to release the seat belt, the seat belt remained latched. The contact stated that after the third attempt, the seat belt operated as needed. The failure had occurred in the front driver’s and passenger’s side seat belts. The vehicle was taken to a dealer, where it was determined that the buckle and needed to be replaced. The seat belt buckle was replaced, and the vehicle was repaired. The manufacturer was notified of the failure but offered no assistance because the warranty had expired. The approximate failure mileage was 71,000.

  • Air Bags, forward Collision Avoidance 11/03/2025

    The contact owns a 2017 Mercedes-Benz GLC300. The contact stated while driving at an undisclosed speed, the messages "Driver’s Air Bag Malfunction - Service Required" and "Collision Prevention Assist Unavailable" were displayed. The vehicle was taken to an independent mechanic who diagnosed and determined that the air bag had malfunctioned. The vehicle was not repaired. The contact called the dealer, but the vehicle was not inspected or repaired. The manufacturer was made aware of the failure and referred the contact to the NHSTA Hotline for assistance. The failure mileage was approximately 130,000.

  • Visibility 11/15/2024

    The contact owns a 2017 Mercedes-Benz GLC300. The contact stated that while driving approximately 30 MPH, the first panel of the panoramic sunroof went off track and failed to close as intended. The contact stated that while inspecting the vehicle, the panoramic sunroof glass was pushed down firmly, and the sunroof closed. The contact attempted to open the sunroof, but the sunroof failed to operate as intended; however, the contact heard a motorized sound coming from the sunroof. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 70,000.

  • Air Bags 11/05/2025

    Airbag front message

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