# Mercedes-Benz 380 MOT reliability: pass rate and common failures | RegFlags

The Mercedes-Benz 380 passes its MOT first time 77% of the time, from 166 MOT tests. See pass rates by year, common failures and typical mileage.

- First-time MOT pass rate: 77%
- MOT tests analysed: 166 (DVSA anonymised MOT data, 2025)
- Most common failure area: Brakes

## By year of first use and fuel

| Year | Fuel | MOT tests | First-time pass rate |
| --- | --- | --- | --- |
| 2007 | Diesel | 1 (very few mots) | 100% |
| 2006 | Diesel | 1 (very few mots) | 0% |
| 1997 | Petrol | 1 (very few mots) | 100% |
| 1991 | Petrol | 1 (very few mots) | 0% |
| 1986 | Petrol | 1 (very few mots) | 100% |
| 1985 | Petrol | 66 (few mots) | 77% |
| 1984 | Petrol | 27 (few mots) | 74% |
| 1983 | Petrol | 23 (few mots) | 74% |
| 1982 | Petrol | 20 (few mots) | 65% |
| 1981 | Petrol | 18 (very few mots) | 100% |
| 1980 | Petrol | 7 (very few mots) | 86% |

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