2010 · 14 years old at test · Diesel mostly

2010 Mercedes-Benz CLS MOT pass rate and common faults

983 MOT tests in 2024. 64.7% passed first time, compared with 59.6% for all cars the same age.

109Well above average
Passed first time64.7%
Failed or needed repairs35.3%
Typical mileage at test109,000

Most common reasons for failing

Share of all 983 tests where this item caused a failure.

  1. Rigid brake pipes: excessively corroded5.5%
  2. Suspension arms - ball joint: ball joint excessively worn5.3%
  3. Tyres - condition: has ply or cords exposed3.6%
    53 marked dangerous
  4. Track rod end: ball joint has excessive play3.3%
  5. Coil spring: fractured or broken3.2%
  6. Tread depth below requirements of 1.6mm3.1%
    49 marked dangerous
  7. Headlamp: not working on dipped beam2.3%
  8. Washers: provides insufficient washer liquid2.0%
  9. Malfunction indicator lamp: inoperative or indicates a malfunction2.0%
  10. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.8%

Problem areas

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

  1. Lights & electrics17.0%
  2. Brakes14.4%
  3. Suspension12.9%
  4. Tyres11.2%
  5. Visibility (wipers, screen, mirrors)5.5%
  6. Emissions & leaks4.5%
  7. Steering4.1%
  8. Body & chassis2.3%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm22.7%
  2. Rigid brake pipes: excessively corroded20.5%
  3. Engine oil leaks: leaking excessively from engine12.7%
  4. Exhaust system: system insecure9.9%
  5. Brake pads: less than 1.5 mm thick7.0%

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: rigid brake pipes: excessively corroded. 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 2010 Mercedes-Benz CLS?

In 2024, 64.7% of 2010 Mercedes-Benz CLS cars passed their MOT first time, across 983 tests. The average for all 14-year-old cars was 59.6%.

What are the most common MOT failures on a 2010 Mercedes-Benz CLS?

The most common failure reasons were rigid brake pipes: excessively corroded; suspension arms - ball joint: ball joint excessively worn; tyres - condition: has ply or cords exposed. The biggest problem area was lights & electrics.

Is the 2010 Mercedes-Benz CLS reliable at MOT time?

Its MOT Rank score is 109, which is well above average for a car of its age (100 means exactly average).