Mercedes-Benz Clk — reliability by registration year
1999–2009 · 11 registration years · 23,619 first tests
Registration years
First-attempt MOT results for every Clk 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 |
|---|---|---|---|---|
| 2009 | 2,614 | 59.9% | 64.5% | Ball joint (front) 22.3% |
| 2008 | 2,315 | 60.1% | 65.7% | Ball joint (front) 23.1% |
| 2007 | 3,214 | 59.7% | 65.6% | Ball joint (front) 23.3% |
| 2006 | 2,701 | 61.7% | 67.8% | Ball joint (front) 22.4% |
| 2005 | 3,244 | 61.8% | 67.2% | Ball joint (front) 18.7% |
| 2004 | 3,267 | 62.5% | 67.8% | Ball joint (front) 17.1% |
| 2003 | 2,340 | 65.6% | 72.1% | Ball joint (front) 12.8% |
| 2002 | 1,275 | 65.3% | 71.9% | Headlamp aim 11.4% |
| 2001 | 1,084 | 68.5% | 75.9% | |
| 2000 | 903 | 70.9% | 77.2% | |
| 1999 | 662 | 67.5% | 73.4% |