2006 · 18 years old at test · Diesel mostly

2006 Mercedes-Benz Viano MOT pass rate and common faults

363 MOT tests in 2024. 56.2% passed first time, compared with 56.1% for all cars the same age.

100About average
Passed first time56.2%
Failed or needed repairs43.8%
Typical mileage at test141,000

Most common reasons for failing

Share of all 363 tests where this item caused a failure.

  1. Position lamp: not working7.2%
  2. Tread depth below requirements of 1.6mm4.1%
    22 marked dangerous
  3. Rigid brake pipes: excessively corroded3.3%
  4. Headlamp aim: projected beam image is obviously incorrect3.3%
  5. Track rod end: ball joint has excessive play3.0%
  6. Rbt (sp): efficiency below requirements3.0%
  7. Headlamp: not working on dipped beam3.0%
  8. Stop lamp: not working2.5%
  9. SRS malfunction indicator lamp: warning lamp indicates a fault2.5%

Problem areas

Failure items found per 100 tests, by part of the car.

  1. Lights & electrics35.8%
  2. Brakes19.3%
  3. Suspension14.3%
  4. Body & chassis9.9%
  5. Tyres9.1%
  6. Visibility (wipers, screen, mirrors)8.8%
  7. Steering6.1%
  8. Seat belts & airbags4.7%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Rigid brake pipes: excessively corroded21.2%
  2. Tread depth below requirements of 1.6mm19.0%
  3. Brake discs: in such a condition that it is seriously weakened11.6%
  4. Engine oil leaks: leaking excessively from engine9.9%
  5. Integral vehicle structure condition: corroded to the extent that the rigidity of the assembly is significantly reduced6.1%

What this means if you are buying one

This model year is about as good as an average car its age. Before buying, check the area that fails most: position lamp: not working. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

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Questions

What is the MOT pass rate for a 2006 Mercedes-Benz Viano?

In 2024, 56.2% of 2006 Mercedes-Benz Viano cars passed their MOT first time, across 363 tests. The average for all 18-year-old cars was 56.1%.

What are the most common MOT failures on a 2006 Mercedes-Benz Viano?

The most common failure reasons were position lamp: not working; tread depth below requirements of 1.6mm; rigid brake pipes: excessively corroded. The biggest problem area was lights & electrics.

Is the 2006 Mercedes-Benz Viano reliable at MOT time?

Its MOT Rank score is 100, which is about average for a car of its age (100 means exactly average).