Mercedes-Benz Cla — reliability by registration year
2013–2023 · 11 registration years · 70,708 first tests
2022
breaks the run — 1.7 pp worse than the years either side
Registration years
First-attempt MOT results for every Cla registration year with at least 500 first tests in 2025. Pass rates rise with newer cars, so read a year against its neighbours rather than against the top of the table. Years without their own report are listed here with the same figures.
| Year | First tests | First-attempt pass | Incl. PRS | Most common failure |
|---|---|---|---|---|
| 2023 | 671 | 91.8% | 93.7% | |
| 2022 | 10,638 | 87.1% | 89.2% | Tyres — Condition (front) 31.5% |
| 1.7 pp worse than the years either side What failed 2022 Clas most often: Tyres — Condition (front) (31.5%) · Tread depth (front) (12.4%) · Brake pads (front) (6.6%) | ||||
| 2021 | 9,055 | 85.8% | 88.0% | Tyres — Condition (front) 25.0% |
| 2020 | 7,032 | 84.2% | 86.7% | Tyres — Condition (front) 19.7% |
| 2019 | 7,812 | 83.2% | 85.7% | Tyres — Condition (front) 19.7% |
| 2018 | 7,956 | 79.7% | 82.8% | Tyres — Condition (front) 20.8% |
| 2017 | 7,815 | 76.5% | 80.0% | Tyres — Condition (front) 19.4% |
| 2016 | 7,223 | 75.2% | 78.7% | Tyres — Condition (front) 17.4% |
| 2015 | 6,449 | 73.2% | 77.2% | Coil spring (rear) 18.2% |
| 2014 | 4,076 | 71.4% | 76.3% | Tyres — Condition (front) 14.7% |
| 2013 | 1,981 | 69.4% | 74.6% | Coil spring (rear) 17.3% |