Mercedes GT
Reliability, estimated running costs, and MOT data across 7 model years from 4,934 MOT tests in 2024.
Avg Pass Rate
96%
Total Tests
4,934
Highest Pass Rate
2018 (98%)
Years Covered
7
About the Mercedes GT
The Mercedes GT was MOT tested 4,934 times in 2024 (DVSA data, retests included) across 7 model years (2015 to 2021), with an average pass rate of 96%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.
Best and Worst Years
Of the years with at least 100 tests, the 2018 model has the highest pass rate at 98% from 1,190 tests. The 2020 model has the lowest at 92%. The 6 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.
Reliability Trend
The Mercedes GT has maintained consistent MOT pass rates across model years, varying by only 1 percentage point.
Mileage Across Years
The oldest model in our data (2015) averages 32,272 miles, while the newest (2021) averages 15,449 miles.
Compared to the Mercedes brand average of 87%, the GT performs 9 points better, making it one of the more reliable options in the Mercedes range.
Estimated Running Costs
Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.
Full 2021 detailsHow reliable is the Mercedes GT?
Mercedes GT by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Mercedes GT
Is the Mercedes GT reliable?
Across its 7 model years in our data (2015 to 2021), the Mercedes GT averages a 96% MOT pass rate, from 4,934 tests (DVSA MOT data for tests in 2024, retests included). That's 14 points above the average of 82% across all models in the same data. The 2018 model has the highest pass rate of the years with at least 100 tests, at 98%.
Which year Mercedes GT has the best MOT pass rate?
Of the years with at least 100 tests, the 2018 Mercedes GT has the highest MOT pass rate at 98%, while the 2020 model has the lowest at 92%, a 6 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Are newer Mercedes GTs more reliable?
The Mercedes GT has maintained consistent MOT pass rates across model years, varying by only 1 percentage point.
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