Mercedes-Benz S-Class MOT reliability

Mercedes-Benz S-Classs passed their MOT first time 83% of the time across 23,730 tests in 2025. 473 are still licensed in Great Britain.

First-time pass rate

83%

MOTs analysed

23,730

Still licensed (GB)

473

Body type

Sedan

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

2022 petrol

4 MOTs

These figures come from only 4 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 100%. Typical mileage 23,811 (most between 20,405 and 24,905).

Most common failures

2022 hybrid

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 100%. Typical mileage 43,994 (most between 25,836 and 44,799).

Most common failures

2022 diesel

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 100%. Typical mileage 20,065 (most between 14,960 and 25,171).

Most common failures

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.