Mercedes-benz A-class vs Mercedes-benz Cla 180 amg line premium + d: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mercedes-benz A-class
78%
MOT pass rate · 362,612 vehicles
Mercedes-benz Cla 180 amg line premium + d
80%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz Cla 180 amg line premium + d (80%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mercedes-benz A-class | Mercedes-benz Cla 180 amg line premium + d |
|---|---|---|
| MOT pass rate | 78% | 80% ✓ |
| MOT failure rate | 22% | 20% ✓ |
| Faults & advisories per test | 1.6 ✓ | 2.8 |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 86,210 mi | 144,998 mi |
| Sample size (vehicles) | 362,612 | 1 |
Most common faults
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))
Mercedes-benz Cla 180 amg line premium + d
- Offside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))
- Nearside Front Tyre worn close to legal limit/worn on edge 3mm (5.2.3 (e))
- Nearside Rear Tyre worn close to legal limit/worn on edge starting wear low on inner edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge 3mm (5.2.3 (e))
- Offside Rear Tyre worn close to legal limit/worn on edge starting to wear low on inner edge (5.2.3 (e))
- Nearside Rear Tyre worn close to legal limit/worn on edge tyre wearing low on inner edge (5.2.3 (e))
Reliability FAQ
On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz Cla 180 amg line premium + d (80%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mercedes-benz A-class report Full Mercedes-benz Cla 180 amg line premium + d 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.