Hyundai Ioniq Plug-In Hybrid vs Mercedes Benz GLS450
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 | Hyundai Ioniq Plug-In Hybrid | Mercedes Benz GLS450 |
|---|---|---|
| Complaints on file | 41 | 102 |
| Model years covered | 2018–2022 | 2017–2021 |
| Worst model year | — | — |
| Best model year | — | — |
| Crashes reported | 9 | 5 |
| Fires reported | 1 | 18 |
| Injuries reported | 5 | 5 |
| Deaths reported | 0 | 0 |
| Most complained-about part | Electrical System | Electrical System |
| Share of complaints involving harm | 36.6% | 27.5% |
Hyundai Ioniq Plug-In Hybrid by year
What breaks
Electrical System
7
17.1%
Transmission & Drivetrain
5
12.2%
Brakes
4
9.8%
Acceleration & Cruise Control
4
9.8%
Driver Assist & Collision Avoidance
4
9.8%
Other & Unspecified
4
9.8%
Body & Structure
3
7.3%
Seat Belts
3
7.3%
Mercedes Benz GLS450 by year
What breaks
Electrical System
23
22.5%
Other & Unspecified
16
15.7%
Engine & Cooling
12
11.8%
Fuel & Propulsion
9
8.8%
Driver Assist & Collision Avoidance
8
7.8%
Lights
6
5.9%
Steering
4
3.9%
Seats
4
3.9%