Mercedes-benz 560 sec vs Mercedes-benz A-class: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mercedes-benz 560 sec
82%
MOT pass rate · 3 vehicles
Mercedes-benz A-class
78%
MOT pass rate · 362,612 vehicles
Verdict: On MOT pass rate the Mercedes-benz 560 sec (82%) and Mercedes-benz A-class (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mercedes-benz 560 sec | Mercedes-benz A-class |
|---|---|---|
| MOT pass rate | 82% ✓ | 78% |
| MOT failure rate | 18% ✓ | 22% |
| Faults & advisories per test | 1.1 ✓ | 1.6 |
| Dangerous-fault share | 3% | 3% |
| Average mileage | 130,430 mi | 86,210 mi |
| Sample size (vehicles) | 3 | 362,612 |
Most common faults
Mercedes-benz 560 sec
- Oil leak
- Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)
- Centre Exhaust has a major leak of exhaust gases (7.1.2)
- Centre Exhaust mounting missing (7.1.1b)
- Front Brake pad(s) wearing thin (3.5.1g)
- both outer sills skirted
Mercedes-benz A-class
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Under-trays fitted obscuring some underside components
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
Reliability FAQ
On MOT pass rate the Mercedes-benz 560 sec (82%) and Mercedes-benz A-class (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mercedes-benz 560 sec report Full Mercedes-benz A-class 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.