Mercedes-Benz B-Class vs Vauxhall Meriva
The Mercedes-Benz B-Class has the better MOT record of the two — 18.2% fail rate versus 24.0% for the Vauxhall Meriva across comparable years. The biggest single difference is suspension, where the Meriva records failures noticeably more often.
18.2%
B-Class fail rate
24.0%
Meriva fail rate
5.75pp
Difference
Side by side
| Metric | Mercedes-Benz B-Class | Vauxhall Meriva |
|---|---|---|
| MOT tests analysed | 429,942 | 644,299 |
| Pass rate | 81.8% | 76.0% |
| Fail rate | 18.2% | 24.0% |
Where they differ
| Category | B-Class | Meriva |
|---|---|---|
| Suspension | 6.7% | 12.5% |
| Lighting & signalling | 8.2% | 10.6% |
| Brakes | 5.0% | 7.1% |
| Visibility | 3.2% | 4.2% |
| Tyres | 5.6% | 5.9% |
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.