2015 · 9 years old at test · Diesel mostly

2015 Mercedes-Benz A-Class MOT pass rate and common faults

26,805 MOT tests in 2024. 74.1% passed first time, compared with 73.5% for all cars the same age.

101About average
Passed first time74.1%
Failed or needed repairs25.9%
Typical mileage at test74,000

Most common reasons for failing

Share of all 26,805 tests where this item caused a failure.

  1. Coil spring: fractured or broken3.1%
  2. Tread depth below requirements of 1.6mm2.8%
    1,195 marked dangerous
  3. SRS malfunction indicator lamp: warning lamp indicates a fault2.4%
  4. Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt2.3%
  5. Brake pads: less than 1.5 mm thick2.2%
    715 marked dangerous
  6. Malfunction indicator lamp: inoperative or indicates a malfunction2.1%
  7. Tyres - condition: has ply or cords exposed1.8%
    678 marked dangerous
  8. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.7%
  9. Stop lamp: not working1.4%
  10. Washers: provides insufficient washer liquid1.1%

Problem areas

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

  1. Tyres10.5%
  2. Lights & electrics9.0%
  3. Suspension7.2%
  4. Brakes5.3%
  5. Visibility (wipers, screen, mirrors)3.9%
  6. Emissions & leaks3.2%
  7. Seat belts & airbags2.9%
  8. Wheels0.7%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm18.7%
  2. Brake discs: in such a condition that it is seriously weakened9.9%
  3. Brake pads: less than 1.5 mm thick9.6%
  4. Tyres - condition: has a tear, caused by separation or partial failure of its structure8.2%
  5. Brake discs: significantly and obviously worn4.6%

What this means if you are buying one

This model year is about as good as an average car its age. 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.

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Questions

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

In 2024, 74.1% of 2015 Mercedes-Benz A-Class cars passed their MOT first time, across 26,805 tests. The average for all 9-year-old cars was 73.5%.

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

The most common failure reasons were coil spring: fractured or broken; tread depth below requirements of 1.6mm; srs malfunction indicator lamp: warning lamp indicates a fault. The biggest problem area was tyres.

Is the 2015 Mercedes-Benz A-Class reliable at MOT time?

Its MOT Rank score is 101, which is about average for a car of its age (100 means exactly average).