Mercedes-Benz R Class MOT data by year
The Mercedes-Benz R Class appears in 14,394 MOT tests in this dataset across model years 2005–2017. Its most common failure areas are lighting & signalling, brakes and emissions & environmental, and its overall pass rate is 79.6%.
14,394
MOT tests analysed
79.6%
Pass rate
20.4%
Fail rate
2005–2017
Years covered
By model year
| Year | Tests | Pass rate | Fail rate | Most common failure |
|---|
Most common failures (all years)
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 10.1% | 1,458 |
| 2 | Brakes | 9.6% | 1,386 |
| 3 | Emissions & environmental | 4.5% | 655 |
| 4 | Body, structure & corrosion | 4.5% | 643 |
| 5 | Tyres | 4.2% | 609 |
| 6 | Suspension | 3.8% | 547 |
| 7 | Visibility | 2.1% | 295 |
| 8 | Seat belts & restraints | 1.6% | 224 |
Methodology & source. Based on 14,394 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.