2010 · 14 years old at test · Petrol mostly

2010 Mercedes-Benz Cl 500 MOT pass rate and common faults

104 MOT tests in 2024. 80.8% passed first time, compared with 59.6% for all cars the same age.

136Well above average
Passed first time80.8%
Failed or needed repairs19.2%
Typical mileage at test81,000

Most common reasons for failing

Share of all 104 tests where this item caused a failure.

  1. Anti-lock braking system: warning lamp indicates an ABS fault3.8%
  2. Rbt (sp): efficiency below requirements3.8%
  3. Electronic stability control: warning lamp indicates a fault2.9%
  4. Side repeaters: not working1.9%
  5. Shock absorbers: has a serious fluid leak1.9%
  6. Suspension arms - ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt1.9%
  7. Suspension arms - pins and bushes: pin or bush excessively worn1.9%
  8. Suspension arms - ball joint: ball joint excessively worn1.9%
  9. Parking brake performance: inoperative on one side1.9%
  10. Tread depth below requirements of 1.6mm1.9%
    3 marked dangerous

Problem areas

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

  1. Brakes21.2%
  2. Suspension7.7%
  3. Lights & electrics5.8%
  4. Tyres3.8%
  5. Visibility (wipers, screen, mirrors)1.9%
  6. Body & chassis1.0%
  7. Number plates & VIN1.0%
  8. Emissions & leaks1.0%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm20.2%
  2. Brake discs: in such a condition that it is seriously weakened18.3%
  3. Suspension arms - ball joint: ball joint excessively worn11.5%
  4. Rigid brake pipes: excessively corroded8.7%
  5. Road Wheels - condition: badly distorted5.8%

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: anti-lock braking system: warning lamp indicates an abs fault. 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 Cl 500?

In 2024, 80.8% of 2010 Mercedes-Benz Cl 500 cars passed their MOT first time, across 104 tests. The average for all 14-year-old cars was 59.6%.

What are the most common MOT failures on a 2010 Mercedes-Benz Cl 500?

The most common failure reasons were anti-lock braking system: warning lamp indicates an abs fault; rbt (sp): efficiency below requirements; electronic stability control: warning lamp indicates a fault. The biggest problem area was brakes.

Is the 2010 Mercedes-Benz Cl 500 reliable at MOT time?

Its MOT Rank score is 136, which is well above average for a car of its age (100 means exactly average).