Mercedes Benz S430 vs Porsche Cayenne
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 S430 | Porsche Cayenne |
|---|---|---|
| Complaints on file | 282 | 702 |
| Model years covered | 2000–2006 | 2003–2026 |
| Worst model year | 2001 | 2014 |
| Best model year | 2004 | 2021 |
| Crashes reported | 7 | 24 |
| Fires reported | 11 | 10 |
| Injuries reported | 3 | 16 |
| Deaths reported | 0 | 2 |
| Most complained-about part | Electrical System | Transmission & Drivetrain |
| Share of complaints involving harm | 7.4% | 7.4% |
Mercedes Benz S430 by year
What breaks
Electrical System
106
37.6%
Lights
38
13.5%
Suspension
31
11.0%
Transmission & Drivetrain
17
6.0%
Acceleration & Cruise Control
14
5.0%
Body & Structure
11
3.9%
Windows, Mirrors & Wipers
10
3.5%
Engine & Cooling
7
2.5%
Porsche Cayenne by year
What breaks
Transmission & Drivetrain
116
16.5%
Engine & Cooling
87
12.4%
Other & Unspecified
87
12.4%
Fuel & Propulsion
83
11.8%
Electrical System
79
11.3%
Airbags
62
8.8%
Lights
35
5.0%