Ford Focus vs Mercedes-Benz C-Class: MOT reliability compared
Updated 05 September 2026.
22.4%
Mercedes-Benz C-Class MOT failure rate, 3.7 pts lower than Ford Focus
Mercedes-Benz C-Class is the more reliable MOT performer: 22.4% of Mercedes-Benz C-Class MOTs fail versus 26.1% for Ford Focus, a 3.7 point gap.
| Metric | Ford Focus | Mercedes-Benz C-Class |
|---|---|---|
| MOT failure rate | 26.1% | 22.4% |
| Tests analysed | 30,185,562 | 8,209,994 |
| Most common failure | Lamps & electrical (30.7%) | Suspension (36.0%) |
Questions and answers
Which is more reliable, Ford Focus or Mercedes-Benz C-Class?
Mercedes-Benz C-Class is the more reliable MOT performer: 22.4% of Mercedes-Benz C-Class MOTs fail versus 26.1% for Ford Focus, a 3.7 point gap.
What is the MOT failure rate of the Ford Focus?
26.1% of Ford Focus MOT tests result in a failure, from 30,185,562 tests.
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.