2020 Mercedes-Benz CLA 220 AMG Line Premium + D A MOT pass rate: 89.6% (2,800 tests)
Is the 2020 CLA 220 AMG Line Premium + D A getting worse?
Pass rate of 2020-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2023 | 89.9% -1.0 vs same-age |
|
| 2024 | 90.4% +0.5 vs same-age |
|
| 2025 | 88.4% -0.5 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 2020 CLA 220 AMG Line Premium + D A
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Tyres | 293 | 62.2% |
| 2 | Brakes | 71 | 15.1% |
| 3 | Visibility | 25 | 5.3% |
| 4 | Lamps, reflectors and electrical equipment | 21 | 4.5% |
| 5 | Suspension | 14 | 3.0% |
| 6 | Identification of the vehicle | 14 | 3.0% |
All CLA 220 AMG Line Premium + D A years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2020 (this page) | 2,800 | 89.6% | -0.3 pts | 33,389 |
| 2021 | 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 2020 Mercedes-Benz CLA 220 AMG Line Premium + D A reliable?
2020-registered examples passed 89.6% of their MOT tests (2,800 tests, 2023–2025), -0.3 points versus all UK cars registered in the same year. At roughly 6 years old with a median 33,389 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2020 CLA 220 AMG Line Premium + D A?
The median tested example shows 33,389 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.