Mercedes-benz C vs Mercedes-benz Gla220: 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 Gla220
88%
MOT pass rate · 4 vehicles
Verdict: On MOT pass rate the Mercedes-benz C (78%) and Mercedes-benz Gla220 (88%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mercedes-benz C | Mercedes-benz Gla220 |
|---|---|---|
| MOT pass rate | 78% | 88% ✓ |
| MOT failure rate | 22% | 12% ✓ |
| Faults & advisories per test | 1.7 | 0.5 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 112,156 mi | 50,031 mi |
| Sample size (vehicles) | 675,043 | 4 |
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 Gla220
- Front Brake disc worn, but not excessively (1.1.14 (a) (i))
- Offside Rear Child Seat fitted not allowing full inspection of adult belt
- Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))
Reliability FAQ
On MOT pass rate the Mercedes-benz C (78%) and Mercedes-benz Gla220 (88%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mercedes-benz C report Full Mercedes-benz Gla220 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.