MOT performance
2020 Mercedes-Benz A-Class: MOT pass rate and common failures
Of 72,180 MOT tests on 2020-registered Mercedes-Benz A-Classs in 2023–2024 (on average 2.8 years old at test, median 26,816 miles), 89.0% passed first time, 10.2 points higher than the Mercedes-Benz A-Class overall. Allowing for age, mileage and fuel, 2020 Mercedes-Benz A-Classs failed 12% less often than comparable cars.
72,180 MOT tests on 35,614 vehicles, 2023–2024 · Source: DVSA (Open Government Licence) · Analysis: 73 Auto
Check a specific car's MOT history and running costsAt a glance
| Figure | Value | Basis |
|---|---|---|
| First-time pass rate | 89.0% | ±0.2 pts (95%), n = 72,180 |
| All Mercedes-Benz A-Classs | 78.8% | n = 685,711 |
| Failures vs similar cars | 0.88× | same age, mileage and fuel = 1.00 |
| Tests with a dangerous defect | 4.3% | n = 72,180 |
| Average age at test | 2.8 years | n = 72,180 |
Where 2020 Mercedes-Benz A-Classs fail
| Area | Tests failed on it | vs similar cars |
|---|---|---|
| Tyres | 5.5% | +14% |
| Driver's view of the road | 1.8% | -40% |
| Brakes | 1.6% | -20% |
| Lights, reflectors and electrical | 1.5% | -44% |
| Suspension | 0.7% | Same |
| Noise, emissions and leaks | 0.6% | +8% |
| Seat belts and airbags | 0.4% | +15% |
| Road wheels | 0.3% | +99% |
| Registration plates and VIN | 0.3% | +37% |
| Body, chassis and structure | 0.2% | -16% |
| Steering | 0.0% | -73% |
| Speedometer and driving controls | 0.0% | +72% |
Most common failure items
| Item | Area | Share of tests |
|---|---|---|
| Condition: has a cut in excess of the requirements deep enough to reach the ply or cords | Tyres | 2.08% |
| Tread depth: tread depth below requirements of 1.6mm | Tyres | 1.62% |
| Wipers: does not clear the windscreen effectively | Driver's view of the road | 1.02% |
| Condition: has ply or cords exposed | Tyres | 1.01% |
| Brake pads: less than 1.5 mm thick | Brakes | 0.93% |
Check a specific 2020 Mercedes-Benz A-Class
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About this data. These are MOT test results, not a measure of mechanical reliability: a car's MOT outcome reflects its condition on the day, which depends on how it has been maintained and driven as well as how it was built. Figures cover class 4 vehicles (cars and light vans), normal tests only (retests excluded), outcomes pass, fail and pass after rectification at the station; vehicles at least 2.5 years old at test. Tests from 2023-01-01 to 2024-12-30. “Compared with similar cars” means compared with the national rate for cars of the same age, mileage band and fuel. Contains public sector information licensed under the Open Government Licence v3.0. Makes and models are matched to 73 Auto's vehicle catalogue; tests that can't be matched are left out rather than guessed. See how the MOT figures are produced.