2007 · 17 years old at test · Diesel mostly

2007 Mercedes-Benz CLS MOT pass rate and common faults

1,562 MOT tests in 2024. 65.8% passed first time, compared with 56.9% for all cars the same age.

116Well above average
Passed first time65.8%
Failed or needed repairs34.2%
Typical mileage at test120,000

Most common reasons for failing

Share of all 1,562 tests where this item caused a failure.

  1. Suspension arms - ball joint: ball joint excessively worn6.7%
  2. Rigid brake pipes: excessively corroded4.7%
  3. Tyres - condition: has ply or cords exposed3.7%
    86 marked dangerous
  4. Tread depth below requirements of 1.6mm3.7%
    112 marked dangerous
  5. Coil spring: fractured or broken3.3%
  6. Track rod end: ball joint has excessive play2.9%
  7. Suspension arms - ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt2.4%
  8. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.8%
  9. Suspension arms - pins and bushes: pin or bush excessively worn1.6%
  10. Position lamp: not working1.5%

Problem areas

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

  1. Suspension18.1%
  2. Brakes15.0%
  3. Lights & electrics13.5%
  4. Tyres12.2%
  5. Emissions & leaks5.1%
  6. Steering4.7%
  7. Visibility (wipers, screen, mirrors)4.5%
  8. Body & chassis2.0%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm20.4%
  2. Rigid brake pipes: excessively corroded18.3%
  3. Engine oil leaks: leaking excessively from engine12.7%
  4. Suspension arms - ball joint: ball joint excessively worn9.7%
  5. Brake discs: in such a condition that it is seriously weakened8.9%

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: suspension arms - ball joint: ball joint excessively worn. 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 2007 Mercedes-Benz CLS?

In 2024, 65.8% of 2007 Mercedes-Benz CLS cars passed their MOT first time, across 1,562 tests. The average for all 17-year-old cars was 56.9%.

What are the most common MOT failures on a 2007 Mercedes-Benz CLS?

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

Is the 2007 Mercedes-Benz CLS reliable at MOT time?

Its MOT Rank score is 116, which is well above average for a car of its age (100 means exactly average).