2008 · 16 years old at test · Diesel mostly

2008 Mercedes-Benz ML MOT pass rate and common faults

2,207 MOT tests in 2024. 66.2% passed first time, compared with 56.9% for all cars the same age.

116Well above average
Passed first time66.2%
Failed or needed repairs33.8%
Typical mileage at test126,000

Most common reasons for failing

Share of all 2,207 tests where this item caused a failure.

  1. Position lamp: not working6.1%
  2. Coil spring: fractured or broken5.0%
  3. Stop lamp: not working3.8%
  4. Rigid brake pipes: excessively corroded3.1%
  5. Flexible brake hoses: excessively deteriorated2.1%
  6. Rbt (sp): efficiency below requirements1.9%
  7. Service brake performance: excessively binding1.9%
  8. Tread depth below requirements of 1.6mm1.9%
    66 marked dangerous
  9. Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt1.7%

Problem areas

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

  1. Lights & electrics25.7%
  2. Brakes20.6%
  3. Suspension9.1%
  4. Emissions & leaks5.8%
  5. Tyres5.2%
  6. Body & chassis3.9%
  7. Visibility (wipers, screen, mirrors)3.8%
  8. Seat belts & airbags2.0%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Engine oil leaks: leaking excessively from engine28.0%
  2. Rigid brake pipes: excessively corroded19.8%
  3. Tread depth below requirements of 1.6mm18.4%
  4. Suspension arms - pins and bushes: pin or bush excessively worn7.8%
  5. Brake discs: in such a condition that it is seriously weakened7.2%

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: 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 2008 Mercedes-Benz ML?

In 2024, 66.2% of 2008 Mercedes-Benz ML cars passed their MOT first time, across 2,207 tests. The average for all 16-year-old cars was 56.9%.

What are the most common MOT failures on a 2008 Mercedes-Benz ML?

The most common failure reasons were position lamp: not working; coil spring: fractured or broken; stop lamp: not working. The biggest problem area was lights & electrics.

Is the 2008 Mercedes-Benz ML reliable at MOT time?

Its MOT Rank score is 116, which is well above average for a car of its age (100 means exactly average).