2019 · 5 years old at test · Petrol mostly

2019 Mercedes-Benz SLC MOT pass rate and common faults

962 MOT tests in 2024. 91.0% passed first time, compared with 84.9% for all cars the same age.

107Above average
Passed first time91.0%
Failed or needed repairs9.0%
Typical mileage at test19,000

Most common reasons for failing

Share of all 962 tests where this item caused a failure.

  1. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords2.3%
  2. Tyres - condition: has ply or cords exposed2.2%
    33 marked dangerous
  3. Tyres - condition: has a tear, caused by separation or partial failure of its structure0.6%
    8 marked dangerous
  4. Headlamp aim: too low0.5%
  5. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.5%
    8 marked dangerous
  6. Tyre pressure monitoring system: malfunctioning or obviously inoperative0.4%
  7. Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits0.3%
  8. Tread depth below requirements of 1.6mm0.3%
    4 marked dangerous
  9. Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt0.2%

Problem areas

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

  1. Tyres6.7%
  2. Lights & electrics1.9%
  3. Emissions & leaks0.5%
  4. Suspension0.5%
  5. Brakes0.5%
  6. Visibility (wipers, screen, mirrors)0.4%
  7. Number plates & VIN0.3%
  8. Wheels0.2%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm13.2%
  2. Tyres - condition: has a tear, caused by separation or partial failure of its structure8.5%
  3. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords3.5%
  4. Wheel bearings: has excessive play2.4%
  5. Tread depth: tread pattern not visible over the whole tread area when minimum depth required is 1.0mm1.9%

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: tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords. 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 2019 Mercedes-Benz SLC?

In 2024, 91.0% of 2019 Mercedes-Benz SLC cars passed their MOT first time, across 962 tests. The average for all 5-year-old cars was 84.9%.

What are the most common MOT failures on a 2019 Mercedes-Benz SLC?

The most common failure reasons were tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords; tyres - condition: has ply or cords exposed; tyres - condition: has a tear, caused by separation or partial failure of its structure. The biggest problem area was tyres.

Is the 2019 Mercedes-Benz SLC reliable at MOT time?

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