2019 · 5 years old at test · Diesel mostly

2019 Mercedes-Benz GLS MOT pass rate and common faults

378 MOT tests in 2024. 88.4% passed first time, compared with 84.9% for all cars the same age.

104Above average
Passed first time88.4%
Failed or needed repairs11.6%
Typical mileage at test45,000

Most common reasons for failing

Share of all 378 tests where this item caused a failure.

  1. Tread depth below requirements of 1.6mm2.4%
    13 marked dangerous
  2. Tyres - condition: has ply or cords exposed2.1%
    14 marked dangerous
  3. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.6%
  4. Registration plates: does not conform to the specified requirements0.8%
  5. Brake pads: less than 1.5 mm thick0.8%
    3 marked dangerous
  6. Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt0.5%
  7. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.5%
    2 marked dangerous
  8. Headlamp aim: too low0.5%
  9. Seat belts - condition: not functioning as intended0.5%
  10. Malfunction indicator lamp: inoperative or indicates a malfunction0.5%

Problem areas

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

  1. Tyres7.1%
  2. Lights & electrics2.4%
  3. Number plates & VIN0.8%
  4. Brakes0.8%
  5. Body & chassis0.8%
  6. Seat belts & airbags0.5%
  7. Emissions & leaks0.5%
  8. Wheels0.5%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm13.0%
  2. Brake pads: less than 1.5 mm thick5.8%
  3. Brake discs: significantly and obviously worn4.0%
  4. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords3.4%
  5. Tyres - condition: has a tear, caused by separation or partial failure of its structure2.9%

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.

← 2018 GLSAll GLS years2020 GLS →

Questions

What is the MOT pass rate for a 2019 Mercedes-Benz GLS?

In 2024, 88.4% of 2019 Mercedes-Benz GLS cars passed their MOT first time, across 378 tests. The average for all 5-year-old cars was 84.9%.

What are the most common MOT failures on a 2019 Mercedes-Benz GLS?

The most common failure reasons were tread depth below requirements of 1.6mm; tyres - condition: has ply or cords exposed; tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords. The biggest problem area was tyres.

Is the 2019 Mercedes-Benz GLS reliable at MOT time?

Its MOT Rank score is 104, which is above average for a car of its age (100 means exactly average).