2013 · 11 years old at test · Diesel mostly

2013 Mercedes-Benz GL MOT pass rate and common faults

498 MOT tests in 2024. 81.7% passed first time, compared with 66.8% for all cars the same age.

122Well above average
Passed first time81.7%
Failed or needed repairs18.3%
Typical mileage at test97,000

Most common reasons for failing

Share of all 498 tests where this item caused a failure.

  1. Malfunction indicator lamp: inoperative or indicates a malfunction3.0%
  2. Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt2.4%
  3. Tread depth below requirements of 1.6mm2.2%
    28 marked dangerous
  4. Tyres - condition: has ply or cords exposed1.6%
    18 marked dangerous
  5. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.4%
  6. Headlamp aim: too high1.0%
  7. SRS malfunction indicator lamp: warning lamp indicates a fault0.8%
  8. Wipers: does not clear the windscreen effectively0.8%
  9. Headlamp aim: too low0.8%

Problem areas

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

  1. Tyres6.2%
  2. Lights & electrics5.6%
  3. Emissions & leaks3.4%
  4. Body & chassis3.2%
  5. Visibility (wipers, screen, mirrors)2.4%
  6. Brakes1.8%
  7. Suspension1.8%
  8. Seat belts & airbags1.4%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm15.5%
  2. Brake discs: in such a condition that it is seriously weakened7.8%
  3. Engine oil leaks: leaking excessively from engine7.6%
  4. Brake pads: less than 1.5 mm thick5.2%
  5. Shock absorbers: has a serious fluid leak4.4%

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: malfunction indicator lamp: inoperative or indicates a malfunction. 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 2013 Mercedes-Benz GL?

In 2024, 81.7% of 2013 Mercedes-Benz GL cars passed their MOT first time, across 498 tests. The average for all 11-year-old cars was 66.8%.

What are the most common MOT failures on a 2013 Mercedes-Benz GL?

The most common failure reasons were malfunction indicator lamp: inoperative or indicates a malfunction; joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt; tread depth below requirements of 1.6mm. The biggest problem area was tyres.

Is the 2013 Mercedes-Benz GL reliable at MOT time?

Its MOT Rank score is 122, which is well above average for a car of its age (100 means exactly average).