MOT pass rates / Mercedes-Benz

Mercedes-Benz GL 320: 74% pass.

329 tests of cars aged 3 and over passed first time 74% of the time in 2025. For cars of the same ages, 57% would be expected: 17 points better than that.

How it does as it ages.

01 / By age

Source: Anonymised MOT tests and results (Driver and Vehicle Standards Agency) Checked

Diesel
Age of carPass first timeAll cars this ageFixed at the stationFailedTests
15 years 68% 58% 13% 19% 31
16 years 75% 57% 6% 19% 64
17 years 76% 57% 3% 21% 156
18 years 74% 57% 6% 19% 78

Ages with fewer than 30 tests are left out. "All cars this age" is every make and model at that age, so you can see whether this one does better or worse than most.

More on Mercedes-Benz and costs.

02 / Related

Data sources