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

The Mercedes-Benz SL passes its MOT first time 83% of the time, from 21,094 MOT tests. See pass rates by year, common failures and typical mileage.

- First-time MOT pass rate: 83%
- MOT tests analysed: 21,094 (DVSA anonymised MOT data, 2025)
- Most common failure area: Suspension & axles

## By year of first use and fuel

| Year | Fuel | MOT tests | First-time pass rate |
| --- | --- | --- | --- |
| 2023 | Petrol | 2 (very few mots) | 100% |
| 2022 | Petrol | 1 (very few mots) | 100% |
| 2021 | Petrol | 33 (few mots) | 91% |
| 2020 | Petrol | 220 | 92% |
| 2020 | Hybrid | 1 (very few mots) | 0% |
| 2019 | Petrol | 406 | 91% |
| 2018 | Petrol | 406 | 91% |
| 2017 | Petrol | 637 | 93% |
| 2016 | Petrol | 766 | 89% |
| 2015 | Petrol | 788 | 87% |
| 2014 | Petrol | 1,097 | 86% |
| 2013 | Petrol | 1,185 | 81% |
| 2012 | Petrol | 454 | 84% |
| 2012 | Diesel | 1 (very few mots) | 100% |
| 2011 | Petrol | 369 | 89% |
| 2010 | Petrol | 462 | 83% |
| 2009 | Petrol | 464 | 81% |
| 2008 | Petrol | 743 | 84% |
| 2008 | Diesel | 1 (very few mots) | 100% |
| 2007 | Petrol | 768 | 81% |
| 2006 | Petrol | 773 | 82% |
| 2006 | Diesel | 3 (very few mots) | 33% |
| 2005 | Petrol | 1,082 | 82% |
| 2005 | Diesel | 1 (very few mots) | 100% |
| 2004 | Petrol | 1,742 | 83% |
| 2004 | Diesel | 3 (very few mots) | 67% |
| 2004 | LPG | 1 (very few mots) | 100% |
| 2003 | Petrol | 2,243 | 81% |
| 2003 | LPG | 3 (very few mots) | 100% |
| 2003 | Diesel | 2 (very few mots) | 50% |
| 2002 | Petrol | 910 | 80% |
| 2002 | Diesel | 2 (very few mots) | 100% |
| 2001 | Petrol | 289 | 83% |
| 2000 | Petrol | 475 | 81% |
| 2000 | LPG | 1 (very few mots) | 100% |
| 1999 | Petrol | 522 | 82% |
| 1999 | Diesel | 1 (very few mots) | 0% |
| 1998 | Petrol | 679 | 79% |
| 1998 | LPG | 1 (very few mots) | 100% |
| 1997 | Petrol | 641 | 81% |
| 1997 | LPG | 1 (very few mots) | 100% |
| 1996 | Petrol | 587 | 79% |
| 1996 | Diesel | 1 (very few mots) | 100% |
| 1995 | Petrol | 526 | 80% |
| 1994 | Petrol | 376 | 80% |
| 1994 | Diesel | 1 (very few mots) | 0% |
| 1994 | LPG | 1 (very few mots) | 100% |
| 1993 | Petrol | 153 | 76% |
| 1992 | Petrol | 114 | 83% |
| 1991 | Petrol | 99 (few mots) | 77% |
| 1991 | LPG | 1 (very few mots) | 100% |
| 1990 | Petrol | 63 (few mots) | 79% |
| 1989 | Petrol | 149 | 86% |
| 1988 | Petrol | 134 | 86% |
| 1987 | Petrol | 112 | 80% |
| 1986 | Petrol | 138 | 80% |
| 1985 | Petrol | 170 | 79% |
| 1984 | Petrol | 74 (few mots) | 76% |
| 1983 | Petrol | 53 (few mots) | 81% |
| 1982 | Petrol | 16 (very few mots) | 88% |
| 1981 | Petrol | 17 (very few mots) | 88% |
| 1980 | Petrol | 23 (few mots) | 78% |
| 1979 | Petrol | 17 (very few mots) | 65% |
| 1978 | Petrol | 8 (very few mots) | 75% |
| 1977 | Petrol | 4 (very few mots) | 75% |
| 1976 | Petrol | 3 (very few mots) | 67% |
| 1975 | Petrol | 1 (very few mots) | 100% |
| 1974 | Petrol | 2 (very few mots) | 50% |
| 1973 | Petrol | 7 (very few mots) | 86% |
| 1972 | Petrol | 7 (very few mots) | 71% |
| 1971 | Petrol | 8 (very few mots) | 100% |
| 1970 | Petrol | 14 (very few mots) | 86% |
| 1969 | Petrol | 10 (very few mots) | 70% |
| 1968 | Petrol | 10 (very few mots) | 100% |
| 1967 | Petrol | 4 (very few mots) | 100% |
| 1966 | Petrol | 4 (very few mots) | 100% |
| 1965 | Petrol | 2 (very few mots) | 100% |
| 1964 | Petrol | 1 (very few mots) | 100% |
| 1963 | Petrol | 1 (very few mots) | 100% |
| 1960 | Petrol | 4 (very few mots) | 100% |

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