Mercedes Benz 300E vs BMW X4
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 300E | BMW X4 |
|---|---|---|
| Complaints on file | 57 | 140 |
| Model years covered | 1986–1993 | 2015–2025 |
| Worst model year | — | 2015 |
| Best model year | — | 2016 |
| Crashes reported | 1 | 17 |
| Fires reported | 4 | 8 |
| Injuries reported | 7 | 4 |
| Deaths reported | 0 | 0 |
| Most complained-about part | Engine & Cooling | Engine & Cooling |
| Share of complaints involving harm | 21.1% | 20.7% |
Mercedes Benz 300E by year
What breaks
Engine & Cooling
9
15.8%
Electrical System
9
15.8%
Airbags
9
15.8%
Acceleration & Cruise Control
6
10.5%
Fuel & Propulsion
5
8.8%
Suspension
4
7.0%
Transmission & Drivetrain
3
5.3%
Tires
3
5.3%
BMW X4 by year
What breaks
Engine & Cooling
28
20.0%
Electrical System
28
20.0%
Brakes
14
10.0%
Other & Unspecified
14
10.0%
Transmission & Drivetrain
11
7.9%
Driver Assist & Collision Avoidance
8
5.7%
Airbags
7
5.0%
Suspension
6
4.3%