Mercedes-Benz GLA: reliability by registration year
2014-2022 · 9 registration years · 86,962 first tests
Registration years
First-attempt MOT results for every GLA 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.
| Year | First tests | First-attempt pass | Incl. PRS | Most common failure |
|---|---|---|---|---|
| 2022 | 4,367 | 91.3% | 92.9% | Tyre condition (front) 22.4% |
| 2021 | 8,268 | 91.5% | 93.1% | Tyre condition (rear) 20.4% |
| 2020 | 8,596 | 89.6% | 91.3% | Tyre condition (rear) 14.4% |
| about 1 in every 100 better than the years either side. What most often failed a 2020 GLA: Tyre condition (rear) (14.4%) · Brake pads (front) (12.3%) · Tyre tread depth (front) (11.8%) | ||||
| 2019 | 16,123 | 85.4% | 87.6% | Tyre tread depth (front) 15.5% |
| 2018 | 15,653 | 81.6% | 84.6% | Drive shaft joints and boots (front) 18.5% |
| 2017 | 12,155 | 79.6% | 82.3% | Drive shaft joints and boots (front) 20.8% |
| 2016 | 10,093 | 77.0% | 80.4% | Coil spring (rear) 18.7% |
| 2015 | 8,408 | 76.2% | 79.3% | Coil spring (rear) 23.8% |
| 2014 | 3,299 | 78.9% | 82.2% | Anti-roll bar linkage ball joint dust cover (front) 15.5% |
| about 3 in every 100 better than the years either side. What most often failed a 2014 GLA: Anti-roll bar linkage ball joint dust cover (front) (15.5%) · Coil spring (rear) (14.2%) · Tyre tread depth (front) (9.9%) | ||||