Mercedes-Benz Sl — reliability by registration year
1995–2017 · 17 registration years · 15,054 first tests
Registration years
First-attempt MOT results for every Sl registration year with at least 500 first tests in 2025. Pass rates rise with newer cars, so read a year against its neighbours rather than against the top of the table. Years without their own report are listed here with the same figures.
| Year | First tests | First-attempt pass | Incl. PRS | Most common failure |
|---|---|---|---|---|
| 2017 | 605 | 92.9% | 93.4% | |
| 2016 | 737 | 89.3% | 90.6% | |
| 2015 | 758 | 86.3% | 87.5% | |
| 2014 | 1,022 | 85.2% | 85.8% | |
| 2013 | 1,076 | 80.7% | 82.0% | |
| 2008 | 725 | 84.0% | 85.4% | |
| 2007 | 741 | 81.1% | 82.9% | |
| 2006 | 755 | 82.0% | 84.1% | |
| 2005 | 1,045 | 81.8% | 84.1% | |
| 2004 | 1,692 | 82.6% | 84.9% | |
| 2003 | 2,161 | 81.3% | 83.8% | |
| 2002 | 875 | 80.1% | 82.7% | |
| 1999 | 510 | 81.8% | 84.9% | |
| 1998 | 655 | 78.8% | 83.8% | |
| 1997 | 629 | 80.6% | 84.7% | |
| 1996 | 561 | 78.8% | 83.8% | |
| 1995 | 507 | 79.9% | 83.4% |