Mercedes-Benz Amg A 35 + 4Matic Ed A MOT pass rate & common failures
1,689 MOT tests on the Mercedes-Benz Amg A 35 + 4Matic Ed A (2021–2022) give it an 88.4% pass rate. That is 3.3 percentage points worse than all cars of a similar age, which fail at 8.3%. Its most common failure areas are tyres, road wheels and lighting & signalling.
What the MOT record shows
No single area dominates — tyres (5.9%) and road wheels (4.9%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are registration plates, headlamp aim and tread depth — registration plates alone was recorded 24 times.
Advisories point at the next bill rather than this one: tyres was flagged on 20.7% of tests without failing them.
How it compares
By model year
Every Amg A 35 + 4Matic Ed A model year with a usable sample. Years with their own detailed report are linked.
| Year | Tests | Pass rate | Fail rate | Most common failure |
|---|---|---|---|---|
| 2021 | 608 | 89.5% | 10.5% | Road wheels |
| 2022 | 1,081 | 87.8% | 12.2% | Tyres |
Most common failures (all years)
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 5.9% | 100 |
| 2 | Road wheels | 4.9% | 83 |
| 3 | Lighting & signalling | 0.9% | 15 |
| 4 | Other defects | 0.9% | 15 |
| 5 | Suspension | 0.5% | 9 |
| 6 | Brakes | 0.5% | 9 |
| 7 | Visibility | 0.5% | 8 |
| 8 | Seat belts & restraints | 0.3% | 5 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Registration plates | 24 |
| 2 | Headlamp aim | 19 |
| 3 | Tread depth | 17 |
| 4 | Brake pads | 5 |
| 5 | Washers | 4 |
| 6 | Headlamp | 3 |
| 7 | Wipers | 3 |
| 8 | Tyre pressure monitoring system | 3 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Tyres | 20.7% | 349 |
| 2 | Brakes | 4.5% | 76 |
| 3 | Other defects | 3.7% | 63 |
| 4 | Visibility | 3.7% | 62 |
| 5 | Road wheels | 1.9% | 32 |
| 6 | Suspension | 1.6% | 27 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 0-30k | 1,178 | 9.6% |
| 30-60k | 487 | 16.2% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 349 | 10.3% |
| 2025 | 1,339 | 11.9% |
What to check before buying a Mercedes-Benz Amg A 35 + 4Matic Ed A
- Tyres (5.9% of tests): Usually a quick, known-cost fix, but check tread, age and uneven wear (which can hint at alignment or suspension issues). Typical repair: £50–£120 per tyre.
- Road wheels (4.9% of tests): Damaged or corroded wheels, missing/loose fixings — generally a moderate fix. Typical repair: £80–£250.
- Lighting & signalling (0.9% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
What is the MOT pass rate for the Mercedes-Benz Amg A 35 + 4Matic Ed A?
88.4% of the 1,689 Mercedes-Benz Amg A 35 + 4Matic Ed A MOT tests in this dataset passed, an 11.6% fail rate, across model years 2021–2022.
What does the Mercedes-Benz Amg A 35 + 4Matic Ed A most often fail its MOT on?
Tyres, recorded in 5.9% of tests, then road wheels (4.9%).
Methodology & source. Based on 1,689 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.