Mercedes Benz Viano MOT failures and reliability
In 2023 the Mercedes Benz Viano took 5,807 MOT tests in Britain and passed 65% of them first time, below the national average of 71% for all cars. The figures below come from the DVSA's record of every test, so they show what testers actually found on these cars rather than what owners report.
- MOT tests in 2023
- 5,807
- First-time pass rate
- 65%
- All cars
- 71%
What the Viano fails on
Share of tests with at least one failure in each area, against the figure for all cars.
- Lights and electrics17.9% (all cars 11.3%)
- Brakes11.2% (all cars 6.8%)
- Suspension8.9% (all cars 9.0%)
- Tyres6.5% (all cars 6.4%)
- Visibility5.2% (all cars 4.8%)
- Body and structure4.9% (all cars 3.5%)
- Exhaust and emissions4.6% (all cars 3.1%)
- Seat belts and airbags4.5% (all cars 1.0%)
Most common failure items
Share of tests on which each item was recorded.
- Position lamp: not working 3.6%
- SRS malfunction indicator lamp: warning lamp indicates a fault 3.4%
- Rbt (sp): efficiency below requirements 3.4%
- Side repeaters: not working 3.3%
- Stop lamp: not working 2.6%
- Tread depth: tread depth below requirements of 1.6mm 2.4%
- Malfunction indicator lamp: inoperative or indicates a malfunction 2.3%
- Tyres, condition: has ply or cords exposed 2.3%
Most common advisories
- Tread depth: worn close to legal limit/worn on edge 21.3%
- Rigid brake pipes: corroded, covered in grease or other material 9.7%
- Engine oil leaks: leak, but not excessive 8.9%
- Brake discs: worn, pitted or scored, but not seriously weakened 8.6%
- Brake pads: wearing thin 4.7%
- Non-component advisories: Play in steering rack inner joint(s) 4.0%
- Suspension arms, pins and bushes: pin or bush worn but not resulting in excessive movement 3.9%
- Tyres, condition: slightly damaged/cracking or perishing 3.9%
Pass rate by year of registration
Older cars fail more often whatever the model, so compare a car with others of the same age.
| First registered | Tests | Pass rate |
|---|---|---|
| 2004 | 305 | 63% |
| 2005 | 431 | 57% |
| 2006 | 415 | 60% |
| 2007 | 501 | 62% |
| 2008 | 535 | 62% |
| 2009 | 490 | 65% |
| 2010 | 474 | 67% |
| 2011 | 506 | 62% |
| 2012 | 589 | 68% |
| 2013 | 703 | 69% |
| 2014 | 692 | 71% |
Typical mileage by age
Average odometer reading at the MOT, by the car's age in years at the test.
| Age at test | Average mileage |
|---|---|
| 8 years | 121,737 miles |
| 9 years | 132,229 miles |
| 10 years | 137,569 miles |
| 11 years | 149,402 miles |
| 12 years | 153,007 miles |
| 13 years | 160,234 miles |
| 14 years | 157,821 miles |
| 15 years | 154,580 miles |
| 16 years | 159,878 miles |
| 17 years | 156,770 miles |
| 18 years | 142,743 miles |
| 19 years | 119,413 miles |
Check a particular Viano
Model figures tell you what to look out for. To see one car's own MOT history, mileage and tax, enter its registration.
Other Mercedes Benz models
- Mercedes Benz C Class
- Mercedes Benz A Class
- Mercedes Benz E Class
- Mercedes Benz Vito
- Mercedes Benz GLA
- Mercedes Benz GLC
- Mercedes Benz B Class
- Mercedes Benz SLK
- Mercedes Benz CLA
- Mercedes Benz ML
- Mercedes Benz CLK
- Mercedes Benz S Class
- Mercedes Benz GLE
- Mercedes Benz CLS
- Mercedes Benz Sprinter
- Mercedes Benz SL
- Mercedes Benz Citan
- Mercedes Benz V Class
- Mercedes Benz CLC
- Mercedes Benz SLC
- Mercedes Benz GL
- Mercedes Benz X Class
- Mercedes Benz CL
- Mercedes Benz 190
- Mercedes Benz 300
- Mercedes Benz GLS
- Mercedes Benz R Class
- Mercedes Benz A 200
- Mercedes Benz G Class
- Mercedes Benz C 320
- Mercedes Benz GT
- Mercedes Benz 500
- Mercedes Benz 280
Source: Department for Transport, Anonymised MOT tests and results, 2023, cars and light vans, normal tests only. Pass rates are first-time passes; a pass after repair at the test station counts as a fail. Contains public sector information licensed under the Open Government Licence v3.0.