Mercedes-Benz E-Class vs Mercedes-Benz A-Class: MOT reliability compared
Updated 05 September 2026.
20.5%
Mercedes-Benz E-Class MOT failure rate, 2.0 pts lower than Mercedes-Benz A-Class
Mercedes-Benz E-Class is the more reliable MOT performer: 20.5% of Mercedes-Benz E-Class MOTs fail versus 22.5% for Mercedes-Benz A-Class, a 2.0 point gap.
| Metric | Mercedes-Benz E-Class | Mercedes-Benz A-Class |
|---|---|---|
| MOT failure rate | 20.5% | 22.5% |
| Tests analysed | 4,812,594 | 4,251,207 |
| Most common failure | Tyres (31.0%) | Lamps & electrical (28.8%) |
Questions and answers
Which is more reliable, Mercedes-Benz E-Class or Mercedes-Benz A-Class?
Mercedes-Benz E-Class is the more reliable MOT performer: 20.5% of Mercedes-Benz E-Class MOTs fail versus 22.5% for Mercedes-Benz A-Class, a 2.0 point gap.
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.
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.