MERCEDES-BENZ VIANO MOT pass rate
74.6% of 8,993 MERCEDES-BENZ VIANO MOT tests pass.
The VIANO passes 74.6% of the time, noticeably below the figure for the average across all MERCEDES-BENZ models (83.5%).
At 74.6%, The MERCEDES-BENZ VIANO passes slightly less often than the national average for cars (79.2%).
Own this MERCEDES-BENZ VIANO?
This is the average across every MERCEDES-BENZ VIANO in the dataset. Look up your own registration for its actual MOT history, and a free place to keep its maintenance records.
How to check and keep your MERCEDES-BENZ’s service history →
Pass rate by vehicle age
Pass rate declines noticeably with age, from 79.2% at 6–10 years to 71.1% at 15+ years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | too few tests (5) | 5 | no reading |
| 3–6 years | too few tests (8) | 8 | no reading |
| 6–10 years | 79.2% | 830 | 143,596 miles |
| 10–15 years | 76.5% | 4,576 | 154,379 miles |
| 15+ years | 71.1% | 3,574 | 149,866 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 66.7% of failed tests, most often logged as "Not working".
| Category | Share of failed tests | Example |
|---|---|---|
| Lamps, reflectors and electrical equipment | 66.7% | Not working |
| Brakes | 52.0% | Efficiency below requirements |
| Suspension | 34.1% | Ball joint dust cover no longer prevents the ingress of dirt |
| Tyres | 21.1% | Tread depth below requirements of 1.6mm |
| Body, chassis, structure | 17.1% | System insecure |
| Visibility | 15.4% | Provides insufficient washer liquid |
| Noise, emissions and leaks | 11.5% | Inoperative or indicates a malfunction |
| Seat belts and supplementary restraint systems | 9.8% | Warning lamp indicates a fault |
| Steering | 7.7% | Ball joint has excessive play |
| Road Wheels | 2.2% | Fixing missing |
Related MERCEDES-BENZ models
- MERCEDES-BENZ C-CLASS — 81.4% pass rate
- MERCEDES-BENZ A-CLASS — 85.3% pass rate
- MERCEDES-BENZ E-CLASS — 83.3% pass rate
- MERCEDES-BENZ GLA — 89.4% pass rate
- MERCEDES-BENZ GLC — 91.1% pass rate
- MERCEDES-BENZ CLA — 87.2% pass rate
Frequently asked questions
- What is the MOT pass rate for the MERCEDES-BENZ VIANO?
- 74.6% of MERCEDES-BENZ VIANO MOT tests pass, based on 8,993 tests in the DVSA anonymised MOT tests and results dataset.
- What are the most common MOT failures for the MERCEDES-BENZ VIANO?
- The most common reason the MERCEDES-BENZ VIANO fails its MOT is lamps, reflectors and electrical equipment — present in 66.7% of failed tests, most often logged as "Not working".
- Does this show the MERCEDES-BENZ VIANO's service history?
- No — this is MOT test data, which covers roadworthiness, not servicing. A service history is a separate record of maintenance work, which a specific car only has if its owner has kept it. See the MERCEDES-BENZ service history guide for how to check and keep one.