Mercedes-Benz A-Class: reliability by registration year
2002-2023 · 22 registration years · 346,535 first tests
Registration years
First-attempt MOT results for every A-Class 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 | 713 | 95.0% | 95.7% | |
| 2022 | 16,574 | 90.5% | 92.1% | Tyre condition (front) 30.0% |
| 2021 | 28,061 | 89.7% | 91.3% | Tyre condition (front) 24.2% |
| 2020 | 33,980 | 87.4% | 89.3% | Tyre condition (front) 18.8% |
| 2019 | 48,623 | 85.2% | 87.5% | Tyre tread depth (front) 14.3% |
| 2018 | 39,403 | 82.4% | 85.4% | Tyre condition (front) 15.3% |
| about 1 in every 100 better than the years either side. What most often failed a 2018 A-Class: Tyre condition (front) (15.3%) · Tyre tread depth (front) (12.3%) · Airbag warning light (8.2%) | ||||
| 2017 | 39,003 | 77.7% | 81.2% | Tyre condition (front) 16.8% |
| 2016 | 36,342 | 75.0% | 78.7% | Coil spring (rear) 16.9% |
| 2015 | 25,391 | 71.7% | 76.9% | Coil spring (rear) 17.1% |
| 2014 | 22,196 | 69.1% | 74.5% | Coil spring (rear) 15.6% |
| 2013 | 14,910 | 68.3% | 73.7% | Coil spring (rear) 16.0% |
| 2012 | 4,998 | 66.4% | 72.4% | Coil spring (rear) 12.4% |
| 2011 | 5,097 | 66.0% | 72.2% | Side repeater indicators 11.2% |
| 2010 | 5,713 | 62.3% | 68.7% | Windscreen washers 10.5% |
| 2009 | 6,260 | 59.2% | 65.6% | Shock absorbers (front) 12.7% |
| 2008 | 5,851 | 57.5% | 65.1% | Drive shaft joints and boots (front) 14.7% |
| 2007 | 5,100 | 57.3% | 65.8% | Windscreen washers 13.9% |
| 2006 | 3,559 | 57.0% | 65.4% | Drive shaft joints and boots (front) 20.1% |
| 2005 | 2,304 | 59.2% | 67.4% | Drive shaft joints and boots (front) 18.4% |
| 2004 | 879 | 54.4% | 66.6% | |
| 2003 | 924 | 53.8% | 64.8% | |
| 2002 | 654 | 55.4% | 64.1% | |