MERCEDES-BENZ 300 MOT Pass Rate
79.8% of 1,369 MERCEDES-BENZ 300 MOT tests pass.
At 79.8%, The 300 passes slightly less often than the average across all MERCEDES-BENZ models (82.8%).
The MERCEDES-BENZ 300 has a pass rate of 79.8%, a little higher than the national average for cars (78.3%).
Pass rate by vehicle age
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | no tests recorded | 0 | no reading |
| 3–6 years | too few tests (1) | 1 | no reading |
| 6–10 years | too few tests (2) | 2 | no reading |
| 10–15 years | too few tests (4) | 4 | no reading |
| 15+ years | 80.0% | 1,362 | 114,891 miles |
Common MOT failure reasons for the MERCEDES-BENZ 300
The most common reason the MERCEDES-BENZ 300 fails its MOT is lamps, reflectors and electrical equipment — present in 74.7% of failed tests, most often logged as "not working".
| Category | Share of failed tests | Example |
|---|---|---|
| Lamps, reflectors and electrical equipment | 74.7% | not working |
| Suspension | 45.6% | ball joint dust cover no longer prevents the ingress of dirt |
| Brakes | 44.1% | excessively binding |
| Body, chassis, structure | 27.5% | corroded to the extent that the rigidity of the assembly is significantly reduced |
| Visibility | 22.8% | does not clear the windscreen effectively |
| Noise, emissions and leaks | 13.4% | emissions carbon monoxide content excessive |
| Steering | 11.6% | ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt |
| Tyres | 10.6% | has ply or cords exposed |
| Seat belts and supplementary restraint systems | 4.1% | prescribed area strength or continuity significantly reduced |
| Identification of the vehicle | 0.3% | 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