Mercedes-benz 310 d vs Mercedes-benz C: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mercedes-benz 310 d
79%
MOT pass rate · 1 vehicles
Mercedes-benz C
78%
MOT pass rate · 675,043 vehicles
Verdict: On MOT pass rate the Mercedes-benz 310 d (79%) and Mercedes-benz C (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mercedes-benz 310 d | Mercedes-benz C |
|---|---|---|
| MOT pass rate | 79% ✓ | 78% |
| MOT failure rate | 21% ✓ | 22% |
| Faults & advisories per test | 1.4 ✓ | 1.7 |
| Dangerous-fault share | 12% | 3% ✓ |
| Average mileage | 359,237 mi | 112,156 mi |
| Sample size (vehicles) | 1 | 675,043 |
Most common faults
Mercedes-benz 310 d
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)
- Nearside Front Seat belt damaged but webbing not significantly weakened (5.2.2a)
- Offside Front Seat belt damaged but webbing not significantly weakened (5.2.2a)
- Steering system has slight free play detected at steering wheel (2.2.A.1a)
- Nearside Front Direction indicator not working (1.4.A.2c)
Mercedes-benz C
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Under-trays fitted obscuring some underside components
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
Reliability FAQ
On MOT pass rate the Mercedes-benz 310 d (79%) and Mercedes-benz C (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mercedes-benz 310 d report Full Mercedes-benz C report Most reliable cars
Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.