2015 · 9 years old at test · Diesel mostly

2015 Mercedes-Benz CLA MOT pass rate and common faults

6,824 MOT tests in 2024. 76.0% passed first time, compared with 73.5% for all cars the same age.

103Above average
Passed first time76.0%
Failed or needed repairs24.0%
Typical mileage at test78,000

Most common reasons for failing

Share of all 6,824 tests where this item caused a failure.

  1. Coil spring: fractured or broken3.6%
  2. Tyres - condition: has ply or cords exposed2.8%
    296 marked dangerous
  3. Tread depth below requirements of 1.6mm2.7%
    297 marked dangerous
  4. Malfunction indicator lamp: inoperative or indicates a malfunction2.4%
  5. SRS malfunction indicator lamp: warning lamp indicates a fault1.9%
  6. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.8%
  7. Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt1.7%
  8. Brake pads: less than 1.5 mm thick1.6%
    149 marked dangerous
  9. Tyres - condition: has a bulge, caused by separation or partial failure of its structure1.4%
    130 marked dangerous
  10. Tyres - condition: has a tear, caused by separation or partial failure of its structure1.0%
    94 marked dangerous

Problem areas

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

  1. Tyres12.3%
  2. Suspension7.0%
  3. Lights & electrics5.3%
  4. Brakes4.6%
  5. Emissions & leaks3.6%
  6. Visibility (wipers, screen, mirrors)3.4%
  7. Seat belts & airbags2.5%
  8. Wheels1.0%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm18.6%
  2. Brake discs: in such a condition that it is seriously weakened10.1%
  3. Brake pads: less than 1.5 mm thick8.5%
  4. Tyres - condition: has a tear, caused by separation or partial failure of its structure6.4%
  5. Brake discs: significantly and obviously worn3.9%

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: 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 CLA?

In 2024, 76.0% of 2015 Mercedes-Benz CLA cars passed their MOT first time, across 6,824 tests. The average for all 9-year-old cars was 73.5%.

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

The most common failure reasons were coil spring: fractured or broken; tyres - condition: has ply or cords exposed; tread depth below requirements of 1.6mm. The biggest problem area was tyres.

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

Its MOT Rank score is 103, which is above average for a car of its age (100 means exactly average).