Mercedes-Benz C250 MOT reliability

Mercedes-Benz C250s passed their MOT first time 72% of the time across 39 tests in 2025.

These figures come from 39 MOT tests. That's a fairly small number of cars, so they may not be typical of these cars as a whole.

First-time pass rate

72%

MOTs analysed

39

Still licensed (GB)

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Body type

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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

2014 diesel

3 MOTs

These figures come from only 3 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.

Passed first time 67%. Typical mileage 128,106 (most between 101,295 and 131,192).

2014: 100% → 2015: 100% → 2016: 92% → 2017: 85% → 2018: 88% → 2019: 87% → 2020: 82% → 2021: 50% → 2022: 67% → 2023: 40% → 2024: 20% → 2025: 67%

Most common failures

Coil spring: fractured or broken (33.3%)
Ball joint excessively worn (33.3%)

2014 petrol

2 MOTs

These figures come from only 2 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.

Passed first time 50%. Typical mileage 91,876 (most between 81,189 and 102,562).

2017: 0% → 2018: 100% → 2019: 100% → 2020: 100% → 2022: 100% → 2023: 50% → 2024: 100% → 2025: 50%

Most common failures

Headlamp aim: projected beam image is obviously incorrect (50.0%)

Where 2014 C250s fail

Suspension & axles

33.3%

Looking at a particular car?

See its own MOT history, mileage and red flags, compared with these figures. Free.

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.