2011 · 13 years old at test · Diesel mostly

2011 Mercedes-Benz GL MOT pass rate and common faults

273 MOT tests in 2024. 80.2% passed first time, compared with 61.8% for all cars the same age.

130Well above average
Passed first time80.2%
Failed or needed repairs19.8%
Typical mileage at test111,000

Most common reasons for failing

Share of all 273 tests where this item caused a failure.

  1. Tread depth below requirements of 1.6mm1.8%
    10 marked dangerous
  2. Shock absorbers: has a serious fluid leak1.8%
  3. Malfunction indicator lamp: inoperative or indicates a malfunction1.8%
  4. Position lamp: not working1.5%
  5. Brake pads: less than 1.5 mm thick1.5%
    5 marked dangerous
  6. Rigid brake pipes: excessively corroded1.5%
  7. Wipers: does not clear the windscreen effectively1.1%
  8. Headlamp aim: too low1.1%
  9. Service brake performance: excessively binding1.1%
  10. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.1%

Problem areas

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

  1. Lights & electrics8.1%
  2. Brakes7.3%
  3. Tyres5.1%
  4. Emissions & leaks3.3%
  5. Suspension2.9%
  6. Visibility (wipers, screen, mirrors)1.8%
  7. Body & chassis1.8%
  8. Seat belts & airbags1.1%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm17.6%
  2. Rigid brake pipes: excessively corroded12.8%
  3. Engine oil leaks: leaking excessively from engine11.4%
  4. Shock absorbers: has a serious fluid leak5.1%
  5. Brake discs: in such a condition that it is seriously weakened4.8%

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: tread depth below requirements of 1.6mm. 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 GL?

In 2024, 80.2% of 2011 Mercedes-Benz GL cars passed their MOT first time, across 273 tests. The average for all 13-year-old cars was 61.8%.

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

The most common failure reasons were tread depth below requirements of 1.6mm; shock absorbers: has a serious fluid leak; malfunction indicator lamp: inoperative or indicates a malfunction. The biggest problem area was lights & electrics.

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

Its MOT Rank score is 130, which is well above average for a car of its age (100 means exactly average).