Mercedes-Benz C-Class vs Mercedes-Benz E-Class: MOT reliability compared
Updated 05 September 2026.
20.5%
Mercedes-Benz E-Class MOT failure rate, 1.9 pts lower than Mercedes-Benz C-Class
Mercedes-Benz E-Class is the more reliable MOT performer: 20.5% of Mercedes-Benz E-Class MOTs fail versus 22.4% for Mercedes-Benz C-Class, a 1.9 point gap.
| Metric | Mercedes-Benz C-Class | Mercedes-Benz E-Class |
|---|---|---|
| MOT failure rate | 22.4% | 20.5% |
| Tests analysed | 8,209,994 | 4,812,594 |
| Most common failure | Suspension (36.0%) | Tyres (31.0%) |
Questions and answers
Which is more reliable, Mercedes-Benz C-Class 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 22.4% for Mercedes-Benz C-Class, a 1.9 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 E-Class?
20.5% of Mercedes-Benz E-Class MOT tests result in a failure, from 4,812,594 tests.