Mercedes Benz C vs Audi Q4 E-Tron
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 C | Audi Q4 E-Tron |
|---|---|---|
| Complaints on file | 32 | 80 |
| Model years covered | 1994–2010 | 2022–2025 |
| Worst model year | — | — |
| Best model year | — | — |
| Crashes reported | 7 | 19 |
| Fires reported | 0 | 0 |
| Injuries reported | 4 | 8 |
| Deaths reported | 0 | 0 |
| Most complained-about part | Lights | Electrical System |
| Share of complaints involving harm | 34.4% | 33.8% |
Mercedes Benz C by year
What breaks
Lights
7
21.9%
Electrical System
6
18.8%
Transmission & Drivetrain
5
15.6%
Engine & Cooling
2
6.3%
Steering
2
6.3%
Brakes
2
6.3%
Fuel & Propulsion
2
6.3%
Airbags
1
3.1%
Audi Q4 E-Tron by year
What breaks
Electrical System
30
37.5%
Brakes
9
11.3%
Driver Assist & Collision Avoidance
9
11.3%
Acceleration & Cruise Control
6
7.5%
Steering
4
5.0%
Tires
4
5.0%
Other & Unspecified
4
5.0%
Engine & Cooling
3
3.8%