There are 1 owner-reported fuel system complaints for the 2019 Mercedes-Benz GLS-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNED A 2019 MERCEDES-BENZ GLS450. THE CONTACT STATED WHILE HIS WIFE WAS DRIVING 25 MPH, THE VEHICLE CRASHED INTO ANOTHER VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THE DRIVER AND FRONT PASSENGER SUSTAINED INJURIES TO THE HEAD HOWEVER, MEDICAL ATTENTION WAS NOT SOUGHT. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO AN INDEPENDENT AUTO BODY SHOP. THE LOCAL DEALER WAS NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 15,000. THE INSURANCE COMPANY DEEMED THE VEHICLE A TOTAL LOSS.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026