Mercedes-Benz 308 MOT reliability

Mercedes-Benz 308s passed their MOT first time 67% of the time across 6 tests in 2025. 207 are still licensed in Great Britain.

These figures come from only 6 MOT tests. With so few cars, a single pass or fail changes the percentages a lot, so treat them as a rough guide rather than a true average.

First-time pass rate

67%

MOTs analysed

6

Still licensed (GB)

207

Body type

–

Pass rate by year of first registration

Older cars fail more often, so compare a car with others of the same age. Years with very few MOTs can show extreme pass rates, even 0% or 100%, so give more weight to years with more tests.

In detail:

First registered

1991 diesel

2 MOTs

Passed first time 100%. Typical mileage 101,003 (most between 90,960 and 111,047).

2005: 49% → 2006: 39% → 2007: 40% → 2008: 37% → 2009: 44% → 2010: 40% → 2011: 50% → 2012: 47% → 2013: 30% → 2014: 48% → 2015: 46% → 2016: 54% → 2017: 27% → 2018: 43% → 2019: 50% → 2020: 44% → 2022: 50% → 2023: 0% → 2024: 67% → 2025: 100%

Most common failures

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Based on 2025 initial MOT tests in DVSA's anonymised MOT dataset (cars and light vans). Contains public sector information licensed under the Open Government Licence v3.0. Model details: Vehicle data by VehiclesDB.