Mercedes Benz 420 vs Mazda CX-50
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 420 | Mazda CX-50 |
|---|---|---|
| Complaints on file | 91 | 224 |
| Model years covered | 1986–1999 | 2023–2026 |
| Worst model year | 1997 | 2023 |
| Best model year | 1999 | 2026 |
| Crashes reported | 9 | 29 |
| Fires reported | 4 | 3 |
| Injuries reported | 3 | 16 |
| Deaths reported | 0 | 0 |
| Most complained-about part | Electrical System | Driver Assist & Collision Avoidance |
| Share of complaints involving harm | 17.6% | 21.4% |
Mercedes Benz 420 by year
What breaks
Electrical System
15
16.5%
Suspension
13
14.3%
Brakes
7
7.7%
Engine & Cooling
6
6.6%
Transmission & Drivetrain
6
6.6%
Acceleration & Cruise Control
6
6.6%
Fuel & Propulsion
5
5.5%
Equipment & Accessories
4
4.4%
Mazda CX-50 by year
What breaks
Driver Assist & Collision Avoidance
50
22.3%
Brakes
28
12.5%
Transmission & Drivetrain
21
9.4%
Electrical System
19
8.5%
Body & Structure
16
7.1%
Other & Unspecified
15
6.7%
Suspension
14
6.3%
Engine & Cooling
9
4.0%