Mercedes-Benz 300 MOT data by year
The Mercedes-Benz 300 appears in 17,003 MOT tests in this dataset across model years 1980–2022. Its most common failure areas are lighting & signalling, suspension and brakes, and its overall pass rate is 82.6%.
17,003
MOT tests analysed
82.6%
Pass rate
17.4%
Fail rate
1980–2022
Years covered
By model year
| Year | Tests | Pass rate | Fail rate | Most common failure |
|---|---|---|---|---|
| 1988 | 2,267 | 82.5% | 17.5% | Lighting & signalling |
| 1992 | 2,371 | 82.7% | 17.3% | Lighting & signalling |
Most common failures (all years)
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 10.6% | 1,795 |
| 2 | Suspension | 6.3% | 1,073 |
| 3 | Brakes | 6.3% | 1,071 |
| 4 | Body, structure & corrosion | 4.8% | 813 |
| 5 | Visibility | 4.2% | 720 |
| 6 | Emissions & environmental | 3.2% | 547 |
| 7 | Steering | 1.9% | 328 |
| 8 | Tyres | 1.9% | 322 |
Methodology & source. Based on 17,003 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.