Mercedes Benz GLS450 vs Pontiac Sunbird
Both cars' complete complaint records, side by side.
Read the totals carefully. NHTSA publishes no sales figures, so the car that sold more collects more complaints regardless of quality. The rows worth weighing are the proportions — the share of complaints that involved harm, and which part dominates.
| Measure | Mercedes Benz GLS450 | Pontiac Sunbird |
|---|---|---|
| Complaints on file | 102 | 254 |
| Model years covered | 2017–2021 | 1979–2000 |
| Worst model year | — | — |
| Best model year | — | — |
| Crashes reported | 5 | 37 |
| Fires reported | 18 | 16 |
| Injuries reported | 5 | 25 |
| Deaths reported | 0 | 0 |
| Most complained-about part | Electrical System | Brakes |
| Share of complaints involving harm | 27.5% | 30.7% |
Mercedes Benz GLS450 by year
What breaks
Electrical System
23
22.5%
Other & Unspecified
16
15.7%
Engine & Cooling
12
11.8%
Fuel & Propulsion
9
8.8%
Driver Assist & Collision Avoidance
8
7.8%
Lights
6
5.9%
Steering
4
3.9%
Seats
4
3.9%
Pontiac Sunbird by year
What breaks
Brakes
46
18.1%
Engine & Cooling
45
17.7%
Electrical System
28
11.0%
Seat Belts
19
7.5%
Steering
16
6.3%
Acceleration & Cruise Control
16
6.3%
Transmission & Drivetrain
15
5.9%
Body & Structure
12
4.7%