Mercedes-Benz 500 MOT data by year
The Mercedes-Benz 500 appears in 5,824 MOT tests in this dataset across model years 1980–2021. Its most common failure areas are lighting & signalling, brakes and suspension, and its overall pass rate is 85.6%.
5,824
MOT tests analysed
85.6%
Pass rate
14.4%
Fail rate
1980–2021
Years covered
By model year
| Year | Tests | Pass rate | Fail rate | Most common failure |
|---|---|---|---|---|
| 1988 | 551 | 86.0% | 14.0% | Lighting & signalling |
| 1990 | 609 | 85.5% | 14.4% | Lighting & signalling |
Most common failures (all years)
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 8.5% | 493 |
| 2 | Brakes | 4.8% | 281 |
| 3 | Suspension | 4.1% | 239 |
| 4 | Emissions & environmental | 3.5% | 202 |
| 5 | Visibility | 3.1% | 178 |
| 6 | Body, structure & corrosion | 3.1% | 178 |
| 7 | Tyres | 1.6% | 92 |
| 8 | Steering | 1.2% | 72 |
Methodology & source. Based on 5,824 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.