Mercedes-Benz A-Class vs Mercedes-Benz Ml: MOT reliability compared
Updated 05 September 2026.
22.5%
Mercedes-Benz A-Class MOT failure rate, 2.9 pts lower than Mercedes-Benz Ml
Mercedes-Benz A-Class is the more reliable MOT performer: 22.5% of Mercedes-Benz A-Class MOTs fail versus 25.4% for Mercedes-Benz Ml, a 2.9 point gap.
| Metric | Mercedes-Benz A-Class | Mercedes-Benz Ml |
|---|---|---|
| MOT failure rate | 22.5% | 25.4% |
| Tests analysed | 4,251,207 | 1,172,241 |
| Most common failure | Lamps & electrical (28.8%) | Suspension (35.5%) |
Questions and answers
Which is more reliable, Mercedes-Benz A-Class or Mercedes-Benz Ml?
Mercedes-Benz A-Class is the more reliable MOT performer: 22.5% of Mercedes-Benz A-Class MOTs fail versus 25.4% for Mercedes-Benz Ml, a 2.9 point gap.
What is the MOT failure rate of the Mercedes-Benz A-Class?
22.5% of Mercedes-Benz A-Class MOT tests result in a failure, from 4,251,207 tests.
What is the MOT failure rate of the Mercedes-Benz Ml?
25.4% of Mercedes-Benz Ml MOT tests result in a failure, from 1,172,241 tests.