Mercedes Benz S 580 vs Pontiac G8
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 S 580 | Pontiac G8 |
|---|---|---|
| Complaints on file | 112 | 278 |
| Model years covered | 2021–2023 | 2008–2010 |
| Worst model year | — | — |
| Best model year | — | — |
| Crashes reported | 4 | 11 |
| Fires reported | 3 | 2 |
| Injuries reported | 11 | 12 |
| Deaths reported | 3 | 0 |
| Most complained-about part | Driver Assist & Collision Avoidance | Airbags |
| Share of complaints involving harm | 18.8% | 9% |
Mercedes Benz S 580 by year
What breaks
Driver Assist & Collision Avoidance
21
18.8%
Electrical System
17
15.2%
Engine & Cooling
15
13.4%
Brakes
10
8.9%
Tires
8
7.1%
Wheels
8
7.1%
Transmission & Drivetrain
6
5.4%
Fuel & Propulsion
6
5.4%
Pontiac G8 by year
What breaks
Airbags
95
34.2%
Electrical System
34
12.2%
Suspension
33
11.9%
Transmission & Drivetrain
17
6.1%
Steering
15
5.4%
Brakes
12
4.3%
Engine & Cooling
9
3.2%
Stability & Traction Control
9
3.2%