MERCEDES-BENZ VIANO MOT Pass Rate
74.8% of 2,248 MERCEDES-BENZ VIANO MOT tests pass.
The VIANO passes 74.8% of the time, noticeably below the figure for the average across all MERCEDES-BENZ models (82.8%).
At 74.8%, The MERCEDES-BENZ VIANO passes slightly less often than the national average for cars (78.3%).
Pass rate by vehicle age
Pass rate eases gradually with age, from 75.0% at 6–10 years to 71.7% at 15+ years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | no tests recorded | 0 | no reading |
| 3–6 years | too few tests (8) | 8 | no reading |
| 6–10 years | 75.0% | 104 | 132,829 miles |
| 10–15 years | 76.8% | 1,230 | 152,299 miles |
| 15+ years | 71.7% | 906 | 154,877 miles |
Common MOT failure reasons for the MERCEDES-BENZ VIANO
The most common reason the MERCEDES-BENZ VIANO fails its MOT is lamps, reflectors and electrical equipment — present in 69.2% of failed tests, most often logged as "not working".
| Category | Share of failed tests | Example |
|---|---|---|
| Lamps, reflectors and electrical equipment | 69.2% | not working |
| Brakes | 47.6% | efficiency below requirements |
| Suspension | 31.5% | ball joint dust cover no longer prevents the ingress of dirt |
| Tyres | 22.5% | tread depth below requirements of 1.6mm |
| Body, chassis, structure | 14.7% | system insecure |
| Visibility | 14.3% | provides insufficient washer liquid |
| Noise, emissions and leaks | 11.7% | inoperative or indicates a malfunction |
| Steering | 8.3% | ball joint has excessive play |
| Seat belts and supplementary restraint systems | 7.9% | warning lamp indicates a fault |
| Road Wheels | 2.4% | fixing missing |
Related MERCEDES-BENZ models
- MERCEDES-BENZ C — 80.1% pass rate
- MERCEDES-BENZ A-CLASS — 81.3% pass rate
- MERCEDES-BENZ E — 82.3% pass rate
- MERCEDES-BENZ A — 91.3% pass rate
- MERCEDES-BENZ VITO — 75.4% pass rate
- MERCEDES-BENZ GLC — 90.2% pass rate