Mercedes Benz GL450 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 GL450 | Porsche Cayenne |
|---|---|---|
| Complaints on file | 281 | 702 |
| Model years covered | 2010–2017 | 2003–2026 |
| Worst model year | 2011 | 2014 |
| Best model year | 2014 | 2021 |
| Crashes reported | 14 | 24 |
| Fires reported | 10 | 10 |
| Injuries reported | 9 | 16 |
| Deaths reported | 0 | 2 |
| Most complained-about part | Airbags | Transmission & Drivetrain |
| Share of complaints involving harm | 11.7% | 7.4% |
Mercedes Benz GL450 by year
What breaks
Airbags
78
27.8%
Brakes
31
11.0%
Suspension
31
11.0%
Engine & Cooling
27
9.6%
Electrical System
24
8.5%
Other & Unspecified
20
7.1%
Transmission & Drivetrain
15
5.3%
Seats
13
4.6%
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%