Mercedes-Benz B-Class vs Volkswagen Touran
On MOT-testable defects the Mercedes-Benz B-Class comes out ahead: 18.2% of its tests record a failure against 21.9% for the Volkswagen Touran, a 3.7-point gap. The biggest single difference is suspension, where the Touran records failures noticeably more often.
18.2%
B-Class fail rate
21.9%
Touran fail rate
3.74pp
Difference
Side by side
| Metric | Mercedes-Benz B-Class | Volkswagen Touran |
|---|---|---|
| MOT tests analysed | 429,942 | 480,991 |
| Pass rate | 81.8% | 78.0% |
| Fail rate | 18.2% | 21.9% |
Where they differ
| Category | B-Class | Touran |
|---|---|---|
| Suspension | 6.7% | 11.1% |
| Tyres | 5.6% | 7.2% |
| Brakes | 5.0% | 5.8% |
| Visibility | 3.2% | 3.8% |
| Lighting & signalling | 8.2% | 8.1% |
Methodology & source. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.