7,619 tests in 2025
Mercedes-Benz Amg reliability and MOT pass rate
88.3% passed first time. The 11.7% fail rate is 10.9 points better than the all-car average, on a median example 4 years old with 27,574 miles.
MOT pass rates / Mercedes-Benz
Pass rate
88.3%
22.6% of all cars failed; 11.7% of these did.
Fixed on the day
1.2%
Passed after a defect was put right during the visit.
Median at test
27,574 mi
4 years old.
Fail rate by age
| Age at test | Tests | Fail rate |
|---|---|---|
| 3-5 years | 7,071 | 11.8% |
| 6-9 years | 288 | 12.2% |
| 10-13 years | 6 | — |
| 14+ years | 10 | — |
What the Amg fails on
Share of failed tests with at least one fail item in each DVSA inspection section. A test can fail in several sections at once.
- Tyres608 dangerous66%
- Road Wheels135 dangerous14.6%
- Brakes35 dangerous7%
- Visibility6.3%
- Identification of the vehicle6.1%
- Suspension3 dangerous5.5%
- Noise, emissions and leaks5.4%
- Lamps, reflectors and electrical equipment1 dangerous3.4%
The exact defects that fail it
Every failure item DVSA recorded against a Amg in 2025, counted by how many tests each one appeared on.
- 1Condition: has ply or cords exposed272 tests
- 2Condition: has a cut in excess of the requirements deep enough to reach the ply or cords170 tests
- 3Condition: fractured120 tests
- 4Tread depth: tread depth below requirements of 1.6mm88 tests
- 5Condition: has a bulge, caused by separation or partial failure of its structure71 tests
- 6Registration plates: does not conform to the specified requirements45 tests
- 7Wipers: does not clear the windscreen effectively33 tests
- 8Brake pads: less than 1.5 mm thick29 tests
What wears out first
Advisories are the tester flagging wear that is still legal. A typical Amg collects 1.9 of them per test, and these are the ones that come up most. Treat it as the running-repairs list for the next year or two.
- 1Tread depth: tread depth below requirements of 1.6mm906 tests
- 2Brake pads: less than 1.5 mm thick359 tests
- 3Condition: has a tear, caused by separation or partial failure of its structure221 tests
- 4Condition: has a cut in excess of the requirements deep enough to reach the ply or cords193 tests
- 5Tread depth: tread pattern not visible over the whole tread area when minimum depth required is 1.0mm161 tests
- 6Non-component advisories: Nail in tyre159 tests
- 7Non-component advisories: Child Seat fitted not allowing full inspection of adult belt111 tests
- 8Brake discs: in such a condition that it is seriously weakened107 tests
Questions
What is the Mercedes-Benz Amg MOT pass rate?
88.3% of the 7,619 Mercedes-Benz Amg first-attempt MOTs in 2025 passed. The fail rate of 11.7% compares with 22.6% across all cars. A further 1.2% passed after a defect was fixed during the test visit.
What does a Mercedes-Benz Amg usually fail on?
The single most common failure is "Condition: has ply or cords exposed", recorded on 272 failed tests, followed by "Condition: has a cut in excess of the requirements deep enough to reach the ply or cords" and "Condition: fractured". By section, tyres appears in 66% of failures, road wheels appears in 14.6% of failures, brakes appears in 7% of failures.
Does age change the odds?
Sharply. At 3 to 5 years old the fail rate was 11.8%; at 6-9 years it was 12.2%. The median Mercedes-Benz Amg tested in 2025 was 4 years old with 27,574 miles.
First-attempt class 4 tests, 2025, from DVSA’s anonymised MOT data (OGL v3, retrieved 2026-09-12). DVSA records newer cars trim by trim; this page adds every Amg trim together. Year-on-year figures come from the same DVSA extracts for 2026 and earlier years. Full method on the pass rates hub.
Other Mercedes-Benz models
Checking a particular Amg?
The odds above are the model. The car in front of you has its own record: every test, every advisory, the mileage at each one.
Due a test? Find an approved MOT station near you.