Mercedes-Benz SLK: suspension MOT failures

Suspension was recorded as a failure area in 9.1% of Mercedes-Benz SLK MOT tests — 32,386 tests out of 354,328. It shows up most on 2005 and 2007 cars.

Worn drop links, bushes, springs or shocks — listen for knocks over bumps and check for uneven tyre wear. Typical repair cost: £150–£450 per corner (rough UK ballpark, not a quote).

Suspension failures by year

Suspension fail rate by model year — Mercedes-Benz SLK
Model year Tests Fail rate
1997 4,630 3.6%
1998 7,208 5.4%
1999 9,521 4.5%
2000 12,123 5.0%
2001 14,091 4.8%
2002 12,257 4.4%
2003 11,475 7.4%
2004 19,843 12.6%
2005 30,137 14.0%
2006 23,127 13.9%
2007 22,136 14.0%
2008 20,039 13.4%
2009 15,586 12.1%
2010 12,840 11.6%
2011 15,074 8.6%
2012 33,408 8.6%
2013 27,434 7.8%
2014 28,281 6.5%
2015 27,715 4.6%
2016 7,027 3.0%

Methodology & source. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.

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