2011 · 13 years old at test · Diesel mostly

2011 Mercedes-Benz Viano MOT pass rate and common faults

477 MOT tests in 2024. 63.1% passed first time, compared with 61.8% for all cars the same age.

102Above average
Passed first time63.1%
Failed or needed repairs36.9%
Typical mileage at test148,000

Most common reasons for failing

Share of all 477 tests where this item caused a failure.

  1. Side repeaters: not working5.2%
  2. Position lamp: not working4.6%
  3. Rbt (sp): efficiency below requirements4.0%
  4. SRS malfunction indicator lamp: warning lamp indicates a fault3.8%
  5. Rbt (sp): efficiency less than 50% of the required value3.1%
    17 marked dangerous
  6. Service brake performance: excessively binding2.9%
  7. Tyres - condition: has ply or cords exposed2.7%
    17 marked dangerous
  8. Parking brake performance: inoperative on one side2.5%
  9. Tread depth below requirements of 1.6mm2.3%
    15 marked dangerous
  10. Stop lamp: not working2.1%

Problem areas

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

  1. Lights & electrics32.3%
  2. Brakes19.3%
  3. Suspension8.8%
  4. Tyres7.3%
  5. Visibility (wipers, screen, mirrors)5.9%
  6. Seat belts & airbags4.8%
  7. Emissions & leaks4.4%
  8. Body & chassis3.1%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm19.5%
  2. Engine oil leaks: leaking excessively from engine11.9%
  3. Rigid brake pipes: excessively corroded10.1%
  4. Suspension arms - pins and bushes: pin or bush excessively worn8.6%
  5. Brake discs: in such a condition that it is seriously weakened8.4%

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: side repeaters: 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 2011 Mercedes-Benz Viano?

In 2024, 63.1% of 2011 Mercedes-Benz Viano cars passed their MOT first time, across 477 tests. The average for all 13-year-old cars was 61.8%.

What are the most common MOT failures on a 2011 Mercedes-Benz Viano?

The most common failure reasons were side repeaters: not working; position lamp: not working; rbt (sp): efficiency below requirements. The biggest problem area was lights & electrics.

Is the 2011 Mercedes-Benz Viano reliable at MOT time?

Its MOT Rank score is 102, which is above average for a car of its age (100 means exactly average).