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

The Mercedes-Benz C-Class passes its MOT first time 82% of the time, from 184 MOT tests. See pass rates by year, common failures and typical mileage.

- First-time MOT pass rate: 82%
- MOT tests analysed: 184 (DVSA anonymised MOT data, 2025)
- Most common failure area: Suspension & axles
- Licensed in Great Britain: 705 (2026 Q2)

## By year of first use and fuel

| Year | Fuel | MOT tests | First-time pass rate |
| --- | --- | --- | --- |
| 2021 | Petrol | 1 (very few mots) | 100% |
| 2020 | Petrol | 4 (very few mots) | 100% |
| 2020 | Hybrid | 2 (very few mots) | 100% |
| 2019 | Petrol | 7 (very few mots) | 100% |
| 2019 | Diesel | 4 (very few mots) | 100% |
| 2019 | Hybrid | 3 (very few mots) | 100% |
| 2018 | Diesel | 8 (very few mots) | 100% |
| 2018 | Petrol | 8 (very few mots) | 63% |
| 2017 | Diesel | 7 (very few mots) | 57% |
| 2017 | Petrol | 7 (very few mots) | 100% |
| 2016 | Petrol | 9 (very few mots) | 89% |
| 2016 | Diesel | 7 (very few mots) | 100% |
| 2015 | Petrol | 16 (very few mots) | 94% |
| 2015 | Diesel | 11 (very few mots) | 55% |
| 2014 | Diesel | 13 (very few mots) | 92% |
| 2014 | Petrol | 11 (very few mots) | 100% |
| 2013 | Diesel | 8 (very few mots) | 63% |
| 2013 | Petrol | 4 (very few mots) | 100% |
| 2012 | Diesel | 7 (very few mots) | 71% |
| 2012 | Petrol | 6 (very few mots) | 100% |
| 2011 | Petrol | 7 (very few mots) | 71% |
| 2011 | Diesel | 4 (very few mots) | 75% |
| 2010 | Petrol | 5 (very few mots) | 80% |
| 2010 | Diesel | 2 (very few mots) | 100% |
| 2009 | Petrol | 3 (very few mots) | 67% |
| 2008 | Petrol | 2 (very few mots) | 50% |
| 2008 | Diesel | 1 (very few mots) | 100% |
| 2007 | Petrol | 2 (very few mots) | 50% |
| 2007 | Diesel | 1 (very few mots) | 100% |
| 2006 | Diesel | 3 (very few mots) | 67% |
| 2005 | Diesel | 3 (very few mots) | 33% |
| 2004 | Diesel | 1 (very few mots) | 0% |
| 2003 | Petrol | 2 (very few mots) | 50% |
| 2001 | Petrol | 1 (very few mots) | 0% |
| 2000 | Petrol | 1 (very few mots) | 0% |
| 1998 | Petrol | 2 (very few mots) | 100% |
| 1997 | Petrol | 1 (very few mots) | 100% |

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