2009 · 15 years old at test · Petrol mostly

2009 Mercedes-Benz CLK MOT pass rate and common faults

2,883 MOT tests in 2024. 60.9% passed first time, compared with 58.4% for all cars the same age.

104Above average
Passed first time60.9%
Failed or needed repairs39.1%
Typical mileage at test94,000

Most common reasons for failing

Share of all 2,883 tests where this item caused a failure.

  1. Suspension arms - ball joint: ball joint excessively worn9.7%
  2. Coil spring: fractured or broken8.2%
  3. Tread depth below requirements of 1.6mm3.3%
    142 marked dangerous
  4. Rigid brake pipes: excessively corroded3.1%
  5. Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt2.8%
  6. Rbt (sp): efficiency below requirements2.5%
  7. Track rod end: ball joint has excessive play2.2%
  8. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords2.1%
  9. Suspension arms - pins and bushes: pin or bush excessively worn1.9%
  10. Headlamp aim: projected beam image is obviously incorrect1.8%

Problem areas

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

  1. Suspension31.2%
  2. Brakes15.4%
  3. Lights & electrics14.6%
  4. Tyres10.5%
  5. Visibility (wipers, screen, mirrors)6.1%
  6. Emissions & leaks5.1%
  7. Body & chassis3.1%
  8. Steering3.1%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Rigid brake pipes: excessively corroded22.4%
  2. Tread depth below requirements of 1.6mm17.0%
  3. Brake discs: in such a condition that it is seriously weakened10.3%
  4. Suspension arms - pins and bushes: pin or bush excessively worn9.2%
  5. Brake pads: less than 1.5 mm thick8.7%

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 2009 Mercedes-Benz CLK?

In 2024, 60.9% of 2009 Mercedes-Benz CLK cars passed their MOT first time, across 2,883 tests. The average for all 15-year-old cars was 58.4%.

What are the most common MOT failures on a 2009 Mercedes-Benz CLK?

The most common failure reasons were suspension arms - ball joint: ball joint excessively worn; coil spring: fractured or broken; tread depth below requirements of 1.6mm. The biggest problem area was suspension.

Is the 2009 Mercedes-Benz CLK reliable at MOT time?

Its MOT Rank score is 104, which is above average for a car of its age (100 means exactly average).