Mercedes-Benz C-Class vs Mercedes-Benz Clk: MOT reliability compared
Updated 05 September 2026.
22.4%
Mercedes-Benz C-Class MOT failure rate, 3.0 pts lower than Mercedes-Benz Clk
Mercedes-Benz C-Class is the more reliable MOT performer: 22.4% of Mercedes-Benz C-Class MOTs fail versus 25.4% for Mercedes-Benz Clk, a 3.0 point gap.
| Metric | Mercedes-Benz C-Class | Mercedes-Benz Clk |
|---|---|---|
| MOT failure rate | 22.4% | 25.4% |
| Tests analysed | 8,209,994 | 1,413,565 |
| Most common failure | Suspension (36.0%) | Suspension (39.6%) |
Questions and answers
Which is more reliable, Mercedes-Benz C-Class or Mercedes-Benz Clk?
Mercedes-Benz C-Class is the more reliable MOT performer: 22.4% of Mercedes-Benz C-Class MOTs fail versus 25.4% for Mercedes-Benz Clk, a 3.0 point gap.
What is the MOT failure rate of the Mercedes-Benz C-Class?
22.4% of Mercedes-Benz C-Class MOT tests result in a failure, from 8,209,994 tests.
What is the MOT failure rate of the Mercedes-Benz Clk?
25.4% of Mercedes-Benz Clk MOT tests result in a failure, from 1,413,565 tests.