# Mercedes-Benz ML350 MOT reliability: pass rate and common failures | RegFlags

The Mercedes-Benz ML350 passed its MOT first time 67% of the time, but from only 21 MOT tests, so treat it as a rough guide. See pass rates by year, common failures and typical mileage.

- First-time MOT pass rate: 67%
- MOT tests analysed: 21 (DVSA anonymised MOT data, 2025)
- Most common failure area: Exhaust, emissions & leaks

These figures come from 21 MOT tests. That's a fairly small number of cars, so they may not be typical of these cars as a whole.

## By year of first use and fuel

| Year | Fuel | MOT tests | First-time pass rate |
| --- | --- | --- | --- |
| 2015 | Diesel | 5 (very few mots) | 80% |
| 2014 | Diesel | 3 (very few mots) | 67% |
| 2013 | Diesel | 1 (very few mots) | 0% |
| 2012 | Diesel | 1 (very few mots) | 100% |
| 2011 | Diesel | 4 (very few mots) | 75% |
| 2010 | Diesel | 5 (very few mots) | 60% |
| 2009 | Diesel | 1 (very few mots) | 0% |
| 2006 | Petrol | 1 (very few mots) | 100% |

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