2019 · 5 years old at test · Petrol mostly

2019 Mercedes-Benz CLA MOT pass rate and common faults

7,788 MOT tests in 2024. 83.5% passed first time, compared with 84.9% for all cars the same age.

98About average
Passed first time83.5%
Failed or needed repairs16.5%
Typical mileage at test39,000

Most common reasons for failing

Share of all 7,788 tests where this item caused a failure.

  1. Tread depth below requirements of 1.6mm2.5%
    329 marked dangerous
  2. Tyres - condition: has ply or cords exposed2.3%
    289 marked dangerous
  3. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords2.0%
  4. Brake pads: less than 1.5 mm thick1.8%
    216 marked dangerous
  5. SRS malfunction indicator lamp: warning lamp indicates a fault1.1%
  6. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.9%
    94 marked dangerous
  7. Wipers: does not clear the windscreen effectively0.6%
  8. Brake pads: worn down to wear indicator0.6%
  9. Washers: provides insufficient washer liquid0.6%
  10. Malfunction indicator lamp: inoperative or indicates a malfunction0.5%

Problem areas

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

  1. Tyres9.5%
  2. Brakes3.7%
  3. Visibility (wipers, screen, mirrors)2.5%
  4. Lights & electrics2.5%
  5. Seat belts & airbags1.5%
  6. Emissions & leaks0.9%
  7. Suspension0.7%
  8. Wheels0.5%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm17.8%
  2. Brake pads: less than 1.5 mm thick9.7%
  3. Tyres - condition: has a tear, caused by separation or partial failure of its structure7.3%
  4. Brake discs: in such a condition that it is seriously weakened5.4%
  5. Brake discs: significantly and obviously worn3.7%

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: 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.

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Questions

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

In 2024, 83.5% of 2019 Mercedes-Benz CLA cars passed their MOT first time, across 7,788 tests. The average for all 5-year-old cars was 84.9%.

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

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 CLA reliable at MOT time?

Its MOT Rank score is 98, which is about average for a car of its age (100 means exactly average).