2005 · 19 years old at test · Diesel mostly

2005 Mercedes-Benz Viano MOT pass rate and common faults

380 MOT tests in 2024. 59.2% passed first time, compared with 56.5% for all cars the same age.

105Above average
Passed first time59.2%
Failed or needed repairs40.8%
Typical mileage at test136,000

Most common reasons for failing

Share of all 380 tests where this item caused a failure.

  1. Component mounting prescribed areas: prescribed area excessively corroded significantly reducing structural strength5.3%
  2. Wipers: does not clear the windscreen effectively3.9%
  3. Rbt (sp): efficiency below requirements3.7%
  4. Rbt (sp): efficiency less than 50% of the required value2.9%
    12 marked dangerous
  5. Headlamp aim: projected beam image is obviously incorrect2.9%
  6. Position lamp: not working2.9%
  7. Flexible brake hoses: excessively deteriorated2.6%
  8. Side repeaters: not working2.6%
  9. Washers: provides insufficient washer liquid2.6%
  10. Tyres - condition: has ply or cords exposed2.4%
    11 marked dangerous

Problem areas

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

  1. Lights & electrics29.5%
  2. Brakes24.5%
  3. Suspension16.6%
  4. Body & chassis14.7%
  5. Visibility (wipers, screen, mirrors)10.0%
  6. Tyres7.1%
  7. Steering6.1%
  8. Seat belts & airbags5.5%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Rigid brake pipes: excessively corroded18.4%
  2. Tread depth below requirements of 1.6mm18.2%
  3. Brake discs: in such a condition that it is seriously weakened13.9%
  4. Engine oil leaks: leaking excessively from engine8.9%
  5. Flexible brake hoses: excessively deteriorated8.7%

What this means if you are buying one

This model year does better than most cars its age, so it is a reasonable used buy on MOT record alone. Before buying, check the area that fails most: component mounting prescribed areas: prescribed area excessively corroded significantly reducing structural strength. 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 2005 Mercedes-Benz Viano?

In 2024, 59.2% of 2005 Mercedes-Benz Viano cars passed their MOT first time, across 380 tests. The average for all 19-year-old cars was 56.5%.

What are the most common MOT failures on a 2005 Mercedes-Benz Viano?

The most common failure reasons were component mounting prescribed areas: prescribed area excessively corroded significantly reducing structural strength; wipers: does not clear the windscreen effectively; rbt (sp): efficiency below requirements. The biggest problem area was lights & electrics.

Is the 2005 Mercedes-Benz Viano reliable at MOT time?

Its MOT Rank score is 105, which is above average for a car of its age (100 means exactly average).