Used car guide · 2015–2026

Mercedes-Benz GT common problems and MOT failures

What goes wrong on a used Mercedes-Benz GT, year by year: known faults from UK buying guides, the parts flagged at MOT more than on other cars (from 3,991 MOTs done during 2023–2025), and what to check before you buy one.

3,991MOTs done in 2023–2025, all years of this model
255on the UK register
2015best year at its MOT

Pick the year

Most years have their own guide. The year is when the car was first registered (it’s on the logbook, or check the reg below).

202620252024202020192018201720162015

What usually goes wrong with a Mercedes-Benz GT?

We haven’t found widely reported faults for the Mercedes-Benz GT in the UK buying guides we use yet. That doesn’t mean it has none, so check the car carefully and look at the MOT weak spots below.

Mercedes-Benz GT MOT pass rate by year

Of the years since 2005 with plenty of MOT tests, the 2015 Mercedes-Benz GT did best (91% passed first time, 17 points above all 2015 cars) and the 2019 did worst (92%, 7 points above all 2019 cars). Older cars fail more, so compare each year with all cars registered the same year.

YearPass first timeAll cars that yearMOT tests
202091%87% +4190 (small sample)
201992%85% +7626
201894%83% +11890
201794%80% +14764
201692%77% +15854
201591%74% +17667

Looking at a Mercedes-Benz GT?

Check the actual car: its own MOT history and what to ask the seller. Free, no sign-up.

Where this comes from: MOT figures are the DVSA’s anonymised results for every MOT test done in Great Britain during 2023–2025, grouped by the year each car was first registered. How many are on the road is from the Department for Transport’s vehicle licensing statistics. Known faults are from UK buying guides, in our own words, with links. How we score