2013 · 11 years old at test · Diesel mostly

2013 Mercedes-Benz SLK MOT pass rate and common faults

4,447 MOT tests in 2024. 75.2% passed first time, compared with 66.8% for all cars the same age.

113Well above average
Passed first time75.2%
Failed or needed repairs24.8%
Typical mileage at test59,000

Most common reasons for failing

Share of all 4,447 tests where this item caused a failure.

  1. Coil spring: fractured or broken4.9%
  2. Tyres - condition: has ply or cords exposed2.8%
    184 marked dangerous
  3. Tread depth below requirements of 1.6mm2.7%
    209 marked dangerous
  4. Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt2.4%
  5. Anti-lock braking system: warning lamp indicates an ABS fault1.9%
  6. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.7%
  7. Suspension arms - ball joint: ball joint excessively worn1.5%
  8. Tyres - condition: has a tear, caused by separation or partial failure of its structure1.0%
    83 marked dangerous
  9. Shock absorbers: has a serious fluid leak0.9%
  10. Electronic stability control: warning lamp indicates a fault0.9%

Problem areas

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

  1. Suspension13.8%
  2. Tyres9.8%
  3. Brakes6.9%
  4. Lights & electrics4.2%
  5. Visibility (wipers, screen, mirrors)1.8%
  6. Emissions & leaks1.3%
  7. Body & chassis0.8%
  8. Number plates & VIN0.6%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm16.9%
  2. Brake discs: in such a condition that it is seriously weakened9.6%
  3. Tyres - condition: has a tear, caused by separation or partial failure of its structure5.5%
  4. Rigid brake pipes: excessively corroded5.0%
  5. Brake pads: less than 1.5 mm thick4.3%

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: coil spring: fractured or broken. 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 2013 Mercedes-Benz SLK?

In 2024, 75.2% of 2013 Mercedes-Benz SLK cars passed their MOT first time, across 4,447 tests. The average for all 11-year-old cars was 66.8%.

What are the most common MOT failures on a 2013 Mercedes-Benz SLK?

The most common failure reasons were coil spring: fractured or broken; tyres - condition: has ply or cords exposed; tread depth below requirements of 1.6mm. The biggest problem area was suspension.

Is the 2013 Mercedes-Benz SLK reliable at MOT time?

Its MOT Rank score is 113, which is well above average for a car of its age (100 means exactly average).