MERCEDES-BENZ SLK MOT Pass Rate
77.6% of 21,480 MERCEDES-BENZ SLK MOT tests pass.
The SLK passes 77.6% of the time, noticeably below the figure for the average across all MERCEDES-BENZ models (82.8%).
The MERCEDES-BENZ SLK's pass rate of 77.6% is in line with the national average for cars, at 78.3%.
Pass rate by vehicle age
Pass rate declines noticeably with age, from 85.2% at 6–10 years to 73.8% at 15+ years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | no tests recorded | 0 | no reading |
| 3–6 years | no tests recorded | 0 | no reading |
| 6–10 years | 85.2% | 2,383 | 50,625 miles |
| 10–15 years | 80.5% | 8,096 | 63,889 miles |
| 15+ years | 73.8% | 11,001 | 82,957 miles |
Common MOT failure reasons for the MERCEDES-BENZ SLK
The most common reason the MERCEDES-BENZ SLK fails its MOT is suspension — present in 44.9% of failed tests, most often logged as "fractured or broken".
| Category | Share of failed tests | Example |
|---|---|---|
| Suspension | 44.9% | fractured or broken |
| Lamps, reflectors and electrical equipment | 35.7% | not working |
| Brakes | 28.5% | excessively corroded |
| Tyres | 22.5% | tread depth below requirements of 1.6mm |
| Visibility | 10.9% | does not clear the windscreen effectively |
| Noise, emissions and leaks | 10.4% | inoperative or indicates a malfunction |
| Body, chassis, structure | 5.1% | has a major leak of exhaust gases |
| Steering | 3.8% | ball joint has excessive play |
| Seat belts and supplementary restraint systems | 3.6% | warning lamp indicates a fault |
| Road Wheels | 1.8% | fixing missing |
Related MERCEDES-BENZ models
- MERCEDES-BENZ C — 80.1% pass rate
- MERCEDES-BENZ A-CLASS — 81.3% pass rate
- MERCEDES-BENZ E — 82.3% pass rate
- MERCEDES-BENZ A — 91.3% pass rate
- MERCEDES-BENZ VITO — 75.4% pass rate
- MERCEDES-BENZ GLC — 90.2% pass rate