2021 Mercedes-Benz CLA 220 AMG Line Premium + D A MOT pass rate: 88.3% (1,905 tests)
Is the 2021 CLA 220 AMG Line Premium + D A getting worse?
Pass rate of 2021-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2024 | 89.1% -1.6 vs same-age |
|
| 2025 | 87.6% -2.6 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 CLA 220 AMG Line Premium + D A
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Tyres | 231 | 63.3% |
| 2 | Brakes | 49 | 13.4% |
| 3 | Visibility | 24 | 6.6% |
| 4 | Identification of the vehicle | 19 | 5.2% |
| 5 | Lamps, reflectors and electrical equipment | 15 | 4.1% |
| 6 | Suspension | 11 | 3.0% |
All CLA 220 AMG Line Premium + D A years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2020 | 2,800 | 89.6% | -0.3 pts | 33,389 |
| 2021 (this page) | 1,905 | 88.3% | -2.1 pts | 31,560 |
- Free MOT history checkThe exact car’s failures, advisories and mileage trail — sellers can’t edit it
- Topdon OBD2 scannersTopdon diagnostic scanners with full-system readouts
- XTOOL diagnostic toolsXTOOL code readers for petrol and diesel cars
- Autel UK testersAutel professional-grade diagnostic testers
FAQs
Is a 2021 Mercedes-Benz CLA 220 AMG Line Premium + D A reliable?
2021-registered examples passed 88.3% of their MOT tests (1,905 tests, 2023–2025), -2.1 points versus all UK cars registered in the same year. At roughly 5 years old with a median 31,560 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2021 CLA 220 AMG Line Premium + D A?
The median tested example shows 31,560 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.