Mercedes-Benz G55 MOT reliability

Mercedes-Benz G55s passed their MOT first time 92% of the time across 12 tests in 2025.

These figures come from only 12 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

92%

MOTs analysed

12

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

2006 petrol

3 MOTs

Passed first time 67%. Typical mileage 128,049 (most between 80,650 and 132,807).

2009: 50% → 2010: 100% → 2011: 75% → 2012: 0% → 2013: 67% → 2014: 67% → 2015: 100% → 2016: 67% → 2017: 25% → 2018: 25% → 2019: 67% → 2020: 50% → 2021: 50% → 2022: 75% → 2023: 67% → 2024: 50% → 2025: 67%

Most common failures

Wipers: does not clear the windscreen effectively (33.3%)
Malfunction indicator lamp: inoperative or indicates a malfunction (33.3%)

Where 2006 G55s fail

Exhaust, emissions & leaks

33.3%

Visibility & wipers

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.