Mercedes-Benz B-Class: suspension MOT failures
Of the 429,942 Mercedes-Benz B-Class MOT tests in this dataset, 6.7% recorded at least one suspension failure. It shows up most on 2007 and 2008 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
| Model year | Tests | Fail rate |
|---|---|---|
| 2005 | 3,546 | 10.0% |
| 2006 | 16,266 | 11.1% |
| 2007 | 20,165 | 12.6% |
| 2008 | 25,457 | 13.5% |
| 2009 | 30,409 | 11.7% |
| 2010 | 31,153 | 10.5% |
| 2011 | 23,983 | 9.9% |
| 2012 | 36,242 | 8.2% |
| 2013 | 43,034 | 6.9% |
| 2014 | 49,156 | 5.4% |
| 2015 | 32,705 | 3.9% |
| 2016 | 30,367 | 2.7% |
| 2017 | 31,974 | 1.9% |
| 2018 | 21,901 | 0.8% |
| 2019 | 18,488 | 0.5% |
| 2020 | 9,578 | 0.5% |
| 2021 | 3,947 | 0.3% |
| 2022 | 1,517 | 0.5% |
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.