2020 Mercedes-Benz GLS 450 problems by component
35 owner complaints filed with NHTSA for the 2020 Mercedes-Benz GLS 450, 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 → | 18 | 51% | — |
| Engine | 9 | 26% | — |
| Forward Collision Avoidance | 7 | 20% | — |
| Fuel/propulsion System | 6 | 17% | — |
| Power Train | 4 | 11% | — |
| Air Bags | 2 | 6% | — |
| Back Over Prevention | 2 | 6% | — |
| Service Brakes | 2 | 6% | — |
| Structure | 2 | 6% | — |
| Visibility/wiper | 2 | 6% | — |
| Seats | 1 | 3% | — |
| Steering | 1 | 3% | — |
| Suspension | 1 | 3% | — |
| Vehicle Speed Control | 1 | 3% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.