Mercedes-Benz Viano MOT data by year
The Mercedes-Benz Viano appears in 34,977 MOT tests in this dataset across model years 1992–2023. Its most common failure areas are lighting & signalling, brakes and suspension, and its overall pass rate is 77.7%.
34,977
MOT tests analysed
77.7%
Pass rate
22.3%
Fail rate
1992–2023
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 | 14.1% | 4,919 |
| 2 | Brakes | 9.4% | 3,284 |
| 3 | Suspension | 6.9% | 2,421 |
| 4 | Tyres | 5.1% | 1,795 |
| 5 | Visibility | 4.1% | 1,425 |
| 6 | Body, structure & corrosion | 3.9% | 1,349 |
| 7 | Emissions & environmental | 3.3% | 1,161 |
| 8 | Seat belts & restraints | 3.2% | 1,122 |
Methodology & source. Based on 34,977 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.