International Harvester School BUS vs Mercedes Benz GLS 450
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 | International Harvester School BUS | Mercedes Benz GLS 450 |
|---|---|---|
| Complaints on file | 44 | 109 |
| Model years covered | 1986–1996 | 2018–2020 |
| Worst model year | — | 2020 |
| Best model year | — | 2019 |
| Crashes reported | 1 | 10 |
| Fires reported | 3 | 9 |
| Injuries reported | 0 | 3 |
| Deaths reported | 0 | 0 |
| Most complained-about part | Transmission & Drivetrain | Electrical System |
| Share of complaints involving harm | 9.1% | 20.2% |
International Harvester School BUS by year
What breaks
Transmission & Drivetrain
11
25.0%
Windows, Mirrors & Wipers
10
22.7%
Engine & Cooling
9
20.5%
Lights
4
9.1%
Electrical System
2
4.5%
Brakes
2
4.5%
Equipment & Accessories
2
4.5%
Body & Structure
1
2.3%
Mercedes Benz GLS 450 by year
What breaks
Electrical System
22
20.2%
Engine & Cooling
16
14.7%
Driver Assist & Collision Avoidance
14
12.8%
Other & Unspecified
10
9.2%
Transmission & Drivetrain
8
7.3%
Fuel & Propulsion
7
6.4%
Brakes
6
5.5%
Body & Structure
6
5.5%