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

The Mercedes-Benz Unclassified passes its MOT first time 79% of the time, from 852 MOT tests. See pass rates by year, common failures and typical mileage.

- First-time MOT pass rate: 79%
- MOT tests analysed: 852 (DVSA anonymised MOT data, 2025)
- Most common failure area: Lights & electrics

## By year of first use and fuel

| Year | Fuel | MOT tests | First-time pass rate |
| --- | --- | --- | --- |
| 2023 | Diesel | 7 (very few mots) | 57% |
| 2022 | Diesel | 72 (few mots) | 81% |
| 2022 | Petrol | 2 (very few mots) | 100% |
| 2021 | Diesel | 39 (few mots) | 87% |
| 2021 | Petrol | 7 (very few mots) | 100% |
| 2021 | Hybrid | 1 (very few mots) | 100% |
| 2020 | Diesel | 53 (few mots) | 81% |
| 2020 | Petrol | 3 (very few mots) | 67% |
| 2019 | Diesel | 36 (few mots) | 83% |
| 2019 | Petrol | 8 (very few mots) | 88% |
| 2018 | Diesel | 25 (few mots) | 84% |
| 2018 | Petrol | 20 (few mots) | 80% |
| 2017 | Diesel | 31 (few mots) | 100% |
| 2017 | Petrol | 12 (very few mots) | 83% |
| 2016 | Diesel | 65 (few mots) | 77% |
| 2016 | Petrol | 11 (very few mots) | 100% |
| 2016 | Hybrid | 2 (very few mots) | 100% |
| 2016 | ED | 1 (very few mots) | 100% |
| 2015 | Diesel | 54 (few mots) | 74% |
| 2015 | Petrol | 14 (very few mots) | 86% |
| 2014 | Diesel | 122 | 69% |
| 2014 | Petrol | 26 (few mots) | 89% |
| 2013 | Diesel | 46 (few mots) | 78% |
| 2013 | Petrol | 38 (few mots) | 82% |
| 2012 | Petrol | 17 (very few mots) | 82% |
| 2012 | Diesel | 12 (very few mots) | 92% |
| 2011 | Petrol | 18 (very few mots) | 72% |
| 2011 | Diesel | 3 (very few mots) | 0% |
| 2010 | Petrol | 5 (very few mots) | 100% |
| 2010 | Diesel | 2 (very few mots) | 100% |
| 2009 | Petrol | 8 (very few mots) | 100% |
| 2008 | Petrol | 18 (very few mots) | 78% |
| 2008 | Diesel | 5 (very few mots) | 40% |
| 2007 | Petrol | 7 (very few mots) | 86% |
| 2007 | Diesel | 1 (very few mots) | 100% |
| 2006 | Diesel | 4 (very few mots) | 75% |
| 2006 | Petrol | 3 (very few mots) | 67% |
| 2005 | Petrol | 5 (very few mots) | 80% |
| 2005 | Diesel | 2 (very few mots) | 0% |
| 2004 | Petrol | 11 (very few mots) | 64% |
| 2004 | Diesel | 1 (very few mots) | 0% |
| 2003 | Diesel | 3 (very few mots) | 67% |
| 2003 | Petrol | 3 (very few mots) | 67% |
| 2002 | Petrol | 4 (very few mots) | 75% |
| 2002 | Diesel | 1 (very few mots) | 100% |
| 2000 | Diesel | 2 (very few mots) | 50% |
| 2000 | Petrol | 2 (very few mots) | 100% |
| 1999 | Diesel | 1 (very few mots) | 100% |
| 1999 | Petrol | 1 (very few mots) | 100% |
| 1998 | Diesel | 1 (very few mots) | 100% |
| 1996 | Petrol | 1 (very few mots) | 100% |
| 1995 | Petrol | 1 (very few mots) | 100% |
| 1994 | Diesel | 1 (very few mots) | 100% |
| 1994 | Petrol | 1 (very few mots) | 100% |
| 1993 | Diesel | 1 (very few mots) | 100% |
| 1992 | Petrol | 2 (very few mots) | 100% |
| 1992 | Diesel | 1 (very few mots) | 0% |
| 1991 | Petrol | 1 (very few mots) | 100% |
| 1990 | Diesel | 1 (very few mots) | 100% |
| 1989 | Diesel | 1 (very few mots) | 0% |
| 1988 | Petrol | 1 (very few mots) | 100% |
| 1986 | Petrol | 1 (very few mots) | 0% |
| 1980 | Petrol | 1 (very few mots) | 100% |
| 1971 | Petrol | 1 (very few mots) | 100% |
| 1968 | Petrol | 1 (very few mots) | 100% |
| 1962 | Petrol | 1 (very few mots) | 100% |

---

Canonical page: https://regflags.co.uk/reliability/mercedes-benz/unclassified
RegFlags by Steady Circuit Ltd.