2016 · 8 years old at test · Diesel mostly

2016 Mercedes-Benz SLK MOT pass rate and common faults

1,217 MOT tests in 2024. 82.0% passed first time, compared with 76.6% for all cars the same age.

107Above average
Passed first time82.0%
Failed or needed repairs18.0%
Typical mileage at test40,000

Most common reasons for failing

Share of all 1,217 tests where this item caused a failure.

  1. Coil spring: fractured or broken3.0%
  2. Tyres - condition: has ply or cords exposed2.5%
    43 marked dangerous
  3. Tread depth below requirements of 1.6mm1.9%
    38 marked dangerous
  4. Malfunction indicator lamp: inoperative or indicates a malfunction1.6%
  5. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.5%
  6. Tyres - condition: has a bulge, caused by separation or partial failure of its structure1.0%
    14 marked dangerous
  7. Suspension arms - ball joint: ball joint excessively worn0.9%
  8. Headlamp aim: too low0.7%
  9. Tyres - condition: has a tear, caused by separation or partial failure of its structure0.7%
    17 marked dangerous
  10. Anti-lock braking system: warning lamp indicates an ABS fault0.7%

Problem areas

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

  1. Tyres8.5%
  2. Suspension4.9%
  3. Lights & electrics3.4%
  4. Brakes2.5%
  5. Emissions & leaks2.1%
  6. Visibility (wipers, screen, mirrors)0.7%
  7. Number plates & VIN0.5%
  8. Seat belts & airbags0.4%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm14.6%
  2. Tyres - condition: has a tear, caused by separation or partial failure of its structure7.7%
  3. Brake discs: in such a condition that it is seriously weakened5.1%
  4. Brake pads: less than 1.5 mm thick3.5%
  5. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords3.3%

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 2016 Mercedes-Benz SLK?

In 2024, 82.0% of 2016 Mercedes-Benz SLK cars passed their MOT first time, across 1,217 tests. The average for all 8-year-old cars was 76.6%.

What are the most common MOT failures on a 2016 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 tyres.

Is the 2016 Mercedes-Benz SLK reliable at MOT time?

Its MOT Rank score is 107, which is above average for a car of its age (100 means exactly average).