2021 Mercedes-Benz GLS450 problems by component
30 owner complaints filed with NHTSA for the 2021 Mercedes-Benz GLS450, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Electrical System → | 14 | 47% | — |
| Engine | 3 | 10% | — |
| Lane Departure | 3 | 10% | — |
| Forward Collision Avoidance | 2 | 7% | — |
| Seats | 2 | 7% | — |
| Fuel System, Gasoline | 1 | 3% | — |
| Power Train | 1 | 3% | — |
| Seat Belts | 1 | 3% | — |
| Structure | 1 | 3% | — |
| Tires | 1 | 3% | — |
| Vehicle Speed Control | 1 | 3% | — |
| Visibility/wiper | 1 | 3% | — |
| Wheels | 1 | 3% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.