2021 Mercedes-Benz A 250 AMG Line E Auto MOT pass rate: 89.8% (3,890 tests)
Is the 2021 A 250 AMG Line E Auto getting worse?
Pass rate of 2021-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2024 | 89.5% -1.1 vs same-age |
|
| 2025 | 90.1% -0.1 vs same-age |
The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.
What fails on a 2021 A 250 AMG Line E Auto
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Tyres | 359 | 64.0% |
| 2 | Visibility | 68 | 12.1% |
| 3 | Brakes | 41 | 7.3% |
| 4 | Lamps, reflectors and electrical equipment | 26 | 4.6% |
| 5 | Road Wheels | 15 | 2.7% |
| 6 | Suspension | 13 | 2.3% |
All A 250 AMG Line E Auto years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2020 | 6,923 | 89.2% | -0.7 pts | 35,860 |
| 2021 (this page) | 3,890 | 89.8% | -0.6 pts | 35,795 |
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FAQs
Is a 2021 Mercedes-Benz A 250 AMG Line E Auto reliable?
2021-registered examples passed 89.8% of their MOT tests (3,890 tests, 2023–2025), -0.6 points versus all UK cars registered in the same year. At roughly 5 years old with a median 35,795 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2021 A 250 AMG Line E Auto?
The median tested example shows 35,795 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.
Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under OGL v3.0.