Mercedes-benz C vs Mercedes-benz Cla 220 amg sport d auto: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mercedes-benz C
78%
MOT pass rate · 675,043 vehicles
Mercedes-benz Cla 220 amg sport d auto
89%
MOT pass rate · 141 vehicles
More reliable
Verdict: On MOT pass rate, the Mercedes-benz Cla 220 amg sport d auto is the more reliable of the two — 89% pass first time versus 78%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Mercedes-benz C | Mercedes-benz Cla 220 amg sport d auto |
|---|---|---|
| MOT pass rate | 78% | 89% ✓ |
| MOT failure rate | 22% | 11% ✓ |
| Faults & advisories per test | 1.7 | 0.0 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 112,156 mi | 94,071 mi |
| Sample size (vehicles) | 675,043 | 141 |
Most common faults
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)
Mercedes-benz Cla 220 amg sport d auto
- Rear Brake disc worn, pitted or scored, but not seriously weakened both inner surface (1.1.14 (a) (ii))
- Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))
Reliability FAQ
On MOT pass rate, the Mercedes-benz Cla 220 amg sport d auto is the more reliable of the two — 89% pass first time versus 78%. It's one signal among several; check the full breakdown below.
Full Mercedes-benz C report Full Mercedes-benz Cla 220 amg sport d auto 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.