MOT performance
2012 Mercedes-Benz SLK: MOT pass rate and common failures
Of 11,112 MOT tests on 2012-registered Mercedes-Benz SLKs in 2023–2024 (on average 10.9 years old at test, median 58,530 miles), 75.7% passed first time, 1.5 points higher than the Mercedes-Benz SLK overall. Allowing for age, mileage and fuel, 2012 Mercedes-Benz SLKs failed 20% less often than comparable cars.
11,112 MOT tests on 5,554 vehicles, 2023–2024 · Source: DVSA (Open Government Licence) · Analysis: 73 Auto
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| Figure | Value | Basis |
|---|---|---|
| First-time pass rate | 75.7% | ±0.8 pts (95%), n = 11,112 |
| All Mercedes-Benz SLKs | 74.2% | n = 133,811 |
| Failures vs similar cars | 0.80× | same age, mileage and fuel = 1.00 |
| Tests with a dangerous defect | 7.3% | n = 11,112 |
| Average age at test | 10.9 years | n = 11,112 |
Where 2012 Mercedes-Benz SLKs fail
| Area | Tests failed on it | vs similar cars |
|---|---|---|
| Suspension | 11.1% | +9% |
| Tyres | 7.3% | +24% |
| Brakes | 5.1% | -20% |
| Lights, reflectors and electrical | 4.6% | -60% |
| Driver's view of the road | 1.7% | -62% |
| Noise, emissions and leaks | 0.9% | -65% |
| Body, chassis and structure | 0.6% | -81% |
| Seat belts and airbags | 0.6% | -20% |
| Road wheels | 0.4% | +20% |
| Registration plates and VIN | 0.3% | -8% |
| Steering | 0.1% | -93% |
Most common failure items
| Item | Area | Share of tests |
|---|---|---|
| Coil spring: fractured or broken | Suspension | 4.25% |
| Tread depth: tread depth below requirements of 1.6mm | Tyres | 2.64% |
| Ball joint: ball joint excessively worn | Suspension | 2.19% |
| Condition: has ply or cords exposed | Tyres | 2.15% |
| Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt | Suspension | 2.12% |
Check a specific 2012 Mercedes-Benz SLK
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About this data. These are MOT test results, not a measure of mechanical reliability: a car's MOT outcome reflects its condition on the day, which depends on how it has been maintained and driven as well as how it was built. Figures cover class 4 vehicles (cars and light vans), normal tests only (retests excluded), outcomes pass, fail and pass after rectification at the station; vehicles at least 2.5 years old at test. Tests from 2023-01-01 to 2024-12-30. “Compared with similar cars” means compared with the national rate for cars of the same age, mileage band and fuel. Contains public sector information licensed under the Open Government Licence v3.0. Makes and models are matched to 73 Auto's vehicle catalogue; tests that can't be matched are left out rather than guessed. See how the MOT figures are produced.