Ford Focus vs Mercedes-Benz E-Class: MOT reliability compared
Updated 05 September 2026.
20.5%
Mercedes-Benz E-Class MOT failure rate, 5.6 pts lower than Ford Focus
Mercedes-Benz E-Class is the more reliable MOT performer: 20.5% of Mercedes-Benz E-Class MOTs fail versus 26.1% for Ford Focus, a 5.6 point gap.
| Metric | Ford Focus | Mercedes-Benz E-Class |
|---|---|---|
| MOT failure rate | 26.1% | 20.5% |
| Tests analysed | 30,185,562 | 4,812,594 |
| Most common failure | Lamps & electrical (30.7%) | Tyres (31.0%) |
Questions and answers
Which is more reliable, Ford Focus or Mercedes-Benz E-Class?
Mercedes-Benz E-Class is the more reliable MOT performer: 20.5% of Mercedes-Benz E-Class MOTs fail versus 26.1% for Ford Focus, a 5.6 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 E-Class?
20.5% of Mercedes-Benz E-Class MOT tests result in a failure, from 4,812,594 tests.