FaultScore

Mercedes Benz GLK250 vs KIA Niro EV

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 GLK250 KIA Niro EV
Complaints on file 58 143
Model years covered 2013–2015 2019–2025
Worst model year 2022
Best model year 2020
Crashes reported 1 14
Fires reported 0 0
Injuries reported 3 6
Deaths reported 0 0
Most complained-about part Airbags Electrical System
Share of complaints involving harm 6.9% 14%

Mercedes Benz GLK250 by year

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks

Airbags 24 41.4%
Other & Unspecified 8 13.8%
Engine & Cooling 5 8.6%
Transmission & Drivetrain 4 6.9%
Electrical System 4 6.9%
Acceleration & Cruise Control 4 6.9%
Steering 3 5.2%
Brakes 2 3.4%

KIA Niro EV by year

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks

Transmission & Drivetrain 19 13.3%
Brakes 11 7.7%
Driver Assist & Collision Avoidance 11 7.7%
Acceleration & Cruise Control 8 5.6%
Fuel & Propulsion 8 5.6%
Engine & Cooling 7 4.9%