2017 MERCEDES-BENZ GLS450 — FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
Car did not brake when going about 5-7mph and crashed into another car.
2017 MERCEDES-BENZ GLS450 — FORWARD COLLISION AVOIDANCE: WARNINGS
Car did not brake when going about 5-7mph and crashed into another car.
2017 MERCEDES-BENZ GLS450 — VISIBILITY
The contact owns a 2017 Mercedes-Benz GLS450. The contact heard an abnormal humming sound when the vehicle was started, and the humming sound grew louder over time. The contact believed that the humming sound was coming from the driver's side headlamp. The contact stated that the headlamp was equipp...
2017 MERCEDES-BENZ GLS450 — EXTERIOR LIGHTING
The contact owns a 2017 Mercedes-Benz GLS450. The contact heard an abnormal humming sound when the vehicle was started, and the humming sound grew louder over time. The contact believed that the humming sound was coming from the driver's side headlamp. The contact stated that the headlamp was equipp...
2017 MERCEDES-BENZ GLS450 — ELECTRICAL SYSTEM
The contact owns a 2017 Mercedes-Benz GLS450. The contact heard an abnormal humming sound when the vehicle was started, and the humming sound grew louder over time. The contact believed that the humming sound was coming from the driver's side headlamp. The contact stated that the headlamp was equipp...
2021 MERCEDES-BENZ GLS450 — WHEELS
Both rear wheels on this vehicle have developed cracks which leads to tire pressure loss. Apparently, this is a common issue with Mercedes' heavier vehicles like the GLS and S series sedans. To be clear, I did not hit anything. I did not do any unusual driving. Both rear tires are fine. While...
2017 MERCEDES-BENZ GLS450 — POWER TRAIN
My 2017 Mercedes-Benz GLS 450 is experiencing serious and unpredictable transmission behavior related to the valve body and shifting mechanism. The transmission sometimes fails to engage Park, shifts on its own without driver input or attempts to engage Reverse unexpectedly. On multiple occasions th...
2017 MERCEDES-BENZ GLS450 — ENGINE
On July 23, 2025, I drove my Mercedes-Benz GLS 450 to a medical appointment. After arriving, I parked near the valet station, turned off the car, and went inside to check in at LabCorp. Within two minutes, witnesses reported black smoke from the hood â followed by a violent explosion that shook th...
2017 MERCEDES-BENZ GLS450 — UNKNOWN OR OTHER
Vehicle Information: Make: Mercedes-Benz Model: GLS 450 Year: 2017 Component: Visibility/Sunroof/Panoramic Glass Roof VIN: [XXX] Incident Date: [XXX] Complaint Summary: I am filing this complaint regarding a serious and dangerous safety defect in my 2017 Mercedes-Benz GLS 450. Without warning and w...
2021 MERCEDES-BENZ GLS450 — ELECTRICAL SYSTEM
On [XXX], I was heading home from work traveling [XXX] on [XXX] through Atlanta's usual heavy traffic. I smelled smoke inside my car and saw fire flames coming from under my passenger seat. My initial reaction was to try to put the fire out with my hat without burning myself. Also, I had to try...