2009 · 15 years old at test · Diesel mostly

2009 Mercedes-Benz Viano MOT pass rate and common faults

421 MOT tests in 2024. 62.7% passed first time, compared with 58.4% for all cars the same age.

107Above average
Passed first time62.7%
Failed or needed repairs37.3%
Typical mileage at test148,000

Most common reasons for failing

Share of all 421 tests where this item caused a failure.

  1. SRS malfunction indicator lamp: warning lamp indicates a fault4.3%
  2. Rbt (sp): efficiency below requirements4.0%
  3. Tread depth below requirements of 1.6mm3.8%
    23 marked dangerous
  4. Service brake performance: excessively binding3.3%
  5. Side repeaters: not working2.9%
  6. Rbt (sp): efficiency less than 50% of the required value2.6%
    14 marked dangerous
  7. Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt2.6%
  8. Tyres - condition: has ply or cords exposed2.4%
    17 marked dangerous
  9. Parking brake performance: inoperative on one side2.4%
  10. Headlamp: not working on dipped beam2.1%

Problem areas

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

  1. Lights & electrics27.3%
  2. Brakes21.6%
  3. Suspension12.6%
  4. Tyres9.3%
  5. Body & chassis6.7%
  6. Emissions & leaks5.2%
  7. Seat belts & airbags4.8%
  8. Visibility (wipers, screen, mirrors)4.8%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm17.8%
  2. Engine oil leaks: leaking excessively from engine12.1%
  3. Brake discs: in such a condition that it is seriously weakened11.6%
  4. Rigid brake pipes: excessively corroded8.3%
  5. Non-component advisories: Play in steering rack inner joint(s)5.7%

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: srs malfunction indicator lamp: warning lamp indicates a fault. 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 2009 Mercedes-Benz Viano?

In 2024, 62.7% of 2009 Mercedes-Benz Viano cars passed their MOT first time, across 421 tests. The average for all 15-year-old cars was 58.4%.

What are the most common MOT failures on a 2009 Mercedes-Benz Viano?

The most common failure reasons were srs malfunction indicator lamp: warning lamp indicates a fault; rbt (sp): efficiency below requirements; tread depth below requirements of 1.6mm. The biggest problem area was lights & electrics.

Is the 2009 Mercedes-Benz Viano reliable at MOT time?

Its MOT Rank score is 107, which is above average for a car of its age (100 means exactly average).