Mercedes-Benz S350D MOT reliability

Mercedes-Benz S350Ds passed their MOT first time 88% of the time across 8 tests in 2025.

These figures come from only 8 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

88%

MOTs analysed

8

Still licensed (GB)

–

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

2016 diesel

1 MOT

Passed first time 0%. Typical mileage 78,696 (most between 78,696 and 78,696).

2021: 0% → 2022: 100% → 2023: 100% → 2024: 100% → 2025: 0%

Most common failures

Washers: not working (100.0%)
Tyre pressure monitoring system: malfunctioning or obviously inoperative (100.0%)

Where 2016 S350Ds fail

Wheels & tyres

100.0%

Visibility & wipers

100.0%

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.