2020 · 4 years old at test · Petrol mostly

2020 Mercedes-Benz AMG MOT pass rate and common faults

1,651 MOT tests in 2024. 86.3% passed first time, compared with 86.9% for all cars the same age.

99About average
Passed first time86.3%
Failed or needed repairs13.7%
Typical mileage at test29,000

Most common reasons for failing

Share of all 1,651 tests where this item caused a failure.

  1. Tyres - condition: has ply or cords exposed4.7%
    155 marked dangerous
  2. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords2.1%
  3. Tread depth below requirements of 1.6mm1.6%
    52 marked dangerous
  4. Road Wheels - condition: fractured1.0%
    23 marked dangerous
  5. Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits0.7%
  6. Headlamp aim: too high0.6%
  7. Malfunction indicator lamp: inoperative or indicates a malfunction0.5%
  8. Wipers: does not clear the windscreen effectively0.4%
  9. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.4%
    9 marked dangerous
  10. Registration plates: does not conform to the specified requirements0.4%

Problem areas

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

  1. Tyres10.1%
  2. Emissions & leaks1.7%
  3. Lights & electrics1.3%
  4. Suspension1.2%
  5. Wheels1.0%
  6. Visibility (wipers, screen, mirrors)0.8%
  7. Brakes0.6%
  8. Number plates & VIN0.5%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm12.0%
  2. Brake pads: less than 1.5 mm thick5.6%
  3. Non-component advisories: Nail in tyre2.6%
  4. Tyres - condition: has a tear, caused by separation or partial failure of its structure2.0%
  5. Tread depth: tread pattern not visible over the whole tread area when minimum depth required is 1.0mm2.0%

What this means if you are buying one

This model year is about as good as an average car its age. Before buying, check the area that fails most: tyres - condition: has ply or cords exposed. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

← 2019 AMGAll AMG years2021 AMG →

Questions

What is the MOT pass rate for a 2020 Mercedes-Benz AMG?

In 2024, 86.3% of 2020 Mercedes-Benz AMG cars passed their MOT first time, across 1,651 tests. The average for all 4-year-old cars was 86.9%.

What are the most common MOT failures on a 2020 Mercedes-Benz AMG?

The most common failure reasons were tyres - condition: has ply or cords exposed; tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords; tread depth below requirements of 1.6mm. The biggest problem area was tyres.

Is the 2020 Mercedes-Benz AMG reliable at MOT time?

Its MOT Rank score is 99, which is about average for a car of its age (100 means exactly average).