2019 Mercedes-Benz Gt — MOT failures & pass rate
859 MOT tests on the 2019 Mercedes-Benz Gt are in this dataset, and 94.0% of them passed. All cars of a similar age fail 10.2% of the time, so this is 4.2pp better than the group it competes with. Failures cluster in tyres, lighting & signalling and other defects.
What the MOT record shows
No single area dominates — tyres (3.6%) and lighting & signalling (1.5%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are registration plates, tread depth and headlamp aim — registration plates alone was recorded 20 times.
Advisories point at the next bill rather than this one: tyres was flagged on 12.9% of tests without failing them.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 3.6% | 31 |
| 2 | Lighting & signalling | 1.5% | 13 |
| 3 | Other defects | 1.3% | 11 |
| 4 | Emissions & environmental | 0.8% | 7 |
| 5 | Visibility | 0.2% | 2 |
| 6 | Brakes | 0.2% | 2 |
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 | 20 |
| 2 | Tread depth | 12 |
| 3 | Headlamp aim | 11 |
| 4 | Catalyst emissions | 10 |
| 5 | Horn | 5 |
| 6 | Catalytic converter | 2 |
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 | 12.9% | 111 |
| 2 | Other defects | 2.9% | 25 |
| 3 | Brakes | 1.4% | 12 |
| 4 | Visibility | 1.4% | 12 |
| 5 | Emissions & environmental | 0.6% | 5 |
| 6 | Lighting & signalling | 0.5% | 4 |
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 | 769 | 5.6% |
| 30-60k | 83 | 9.6% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2022 | 198 | 4.5% |
| 2023 | 204 | 4.9% |
| 2024 | 218 | 8.3% |
| 2025 | 232 | 6.0% |
What to check before buying a 2019 Gt
On a 2019 Gt, tyres is what the MOT record says goes wrong most — it appeared in 3.6% of tests. Check these areas before you commit.
- Tyres (3.6% 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.
- Lighting & signalling (1.5% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Other defects (1.3% of tests): Miscellaneous items not in the main categories. Typical repair: varies.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
How many 2019 Mercedes-Benz Gts pass their MOT?
94.0% of the 859 2019 Mercedes-Benz Gt MOT tests in this dataset passed — a 6.0% fail rate.
What is the most common MOT failure on a 2019 Mercedes-Benz Gt?
Tyres, recorded in 3.6% of tests, followed by lighting & signalling (1.5%).
Does the 2019 Gt get worse with mileage?
Its MOT fail rate rises from 5.6% in the 0-30k band to 9.6% in the 30-60k band.
Methodology & source. Based on 859 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.