Mercedes-Benz S-Class MOT data by year
The Mercedes-Benz S-Class appears in 160,208 MOT tests in this dataset across model years 1980–2025. Its most common failure areas are tyres, suspension and brakes, and its overall pass rate is 86.9%.
160,208
MOT tests analysed
86.9%
Pass rate
13.1%
Fail rate
1980–2025
Years covered
By model year
| Year | Tests | Pass rate | Fail rate | Most common failure |
|---|---|---|---|---|
| 1999 | 1,373 | 78.8% | 21.2% | Lighting & signalling |
| 2007 | 8,458 | 81.2% | 18.8% | Brakes |
Most common failures (all years)
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 4.6% | 7,439 |
| 2 | Suspension | 4.4% | 7,080 |
| 3 | Brakes | 4.0% | 6,475 |
| 4 | Lighting & signalling | 3.8% | 6,068 |
| 5 | Emissions & environmental | 2.5% | 3,921 |
| 6 | Visibility | 2.0% | 3,223 |
| 7 | Seat belts & restraints | 0.9% | 1,392 |
| 8 | Body, structure & corrosion | 0.8% | 1,352 |
Methodology & source. Based on 160,208 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.