2015 · 9 years old at test · Diesel mostly

2015 Mercedes-Benz GLA MOT pass rate and common faults

8,703 MOT tests in 2024. 79.3% passed first time, compared with 73.5% for all cars the same age.

108Above average
Passed first time79.3%
Failed or needed repairs20.7%
Typical mileage at test69,000

Most common reasons for failing

Share of all 8,703 tests where this item caused a failure.

  1. Coil spring: fractured or broken3.8%
  2. Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt2.7%
  3. Malfunction indicator lamp: inoperative or indicates a malfunction2.3%
  4. Tread depth below requirements of 1.6mm2.0%
    286 marked dangerous
  5. Brake pads: less than 1.5 mm thick1.8%
    209 marked dangerous
  6. Anti-roll bars - ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt1.4%
  7. Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt1.4%
  8. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.2%
  9. SRS malfunction indicator lamp: warning lamp indicates a fault1.0%
  10. Washers: provides insufficient washer liquid0.8%

Problem areas

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

  1. Suspension8.9%
  2. Tyres5.7%
  3. Brakes3.8%
  4. Lights & electrics3.8%
  5. Emissions & leaks3.3%
  6. Visibility (wipers, screen, mirrors)2.9%
  7. Body & chassis1.6%
  8. Seat belts & airbags1.3%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm17.3%
  2. Brake discs: in such a condition that it is seriously weakened8.7%
  3. Brake pads: less than 1.5 mm thick8.7%
  4. Tyres - condition: has a tear, caused by separation or partial failure of its structure8.0%
  5. Brake discs: significantly and obviously worn4.8%

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: coil spring: fractured or broken. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

← 2014 GLAAll GLA years2016 GLA →

Questions

What is the MOT pass rate for a 2015 Mercedes-Benz GLA?

In 2024, 79.3% of 2015 Mercedes-Benz GLA cars passed their MOT first time, across 8,703 tests. The average for all 9-year-old cars was 73.5%.

What are the most common MOT failures on a 2015 Mercedes-Benz GLA?

The most common failure reasons were coil spring: fractured or broken; linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt; malfunction indicator lamp: inoperative or indicates a malfunction. The biggest problem area was suspension.

Is the 2015 Mercedes-Benz GLA reliable at MOT time?

Its MOT Rank score is 108, which is above average for a car of its age (100 means exactly average).