Buick Regal Tourx vs Mercedes Benz E 350
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 | Buick Regal Tourx | Mercedes Benz E 350 |
|---|---|---|
| Complaints on file | 26 | 65 |
| Model years covered | 2018–2020 | 2020–2026 |
| Worst model year | — | 2021 |
| Best model year | — | 2022 |
| Crashes reported | 0 | 0 |
| Fires reported | 0 | 4 |
| Injuries reported | 0 | 5 |
| Deaths reported | 0 | 0 |
| Most complained-about part | Driver Assist & Collision Avoidance | Electrical System |
| Share of complaints involving harm | 0% | 13.8% |
Buick Regal Tourx by year
What breaks
Driver Assist & Collision Avoidance
6
23.1%
Engine & Cooling
4
15.4%
Other & Unspecified
4
15.4%
Electrical System
3
11.5%
Brakes
3
11.5%
Transmission & Drivetrain
2
7.7%
Body & Structure
1
3.8%
Wheels
1
3.8%
Mercedes Benz E 350 by year
What breaks
Electrical System
12
18.5%
Other & Unspecified
11
16.9%
Engine & Cooling
8
12.3%
Driver Assist & Collision Avoidance
8
12.3%
Transmission & Drivetrain
6
9.2%
Fuel & Propulsion
6
9.2%
Acceleration & Cruise Control
4
6.2%
Windows, Mirrors & Wipers
3
4.6%