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Mercedes-benz C vs Mercedes-benz Gla 200 sport auto: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Mercedes-benz C
78%
MOT pass rate · 675,043 vehicles
Mercedes-benz Gla 200 sport auto
91%
MOT pass rate · 1,157 vehicles
More reliable
Verdict: On MOT pass rate, the Mercedes-benz Gla 200 sport auto is the more reliable of the two — 91% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Head to head

Measure Mercedes-benz C Mercedes-benz Gla 200 sport auto
MOT pass rate 78% 91% ✓
MOT failure rate 22% 9% ✓
Faults & advisories per test 1.7 0.8 ✓
Dangerous-fault share 3% ✓ 5%
Average mileage 112,156 mi 36,295 mi
Sample size (vehicles) 675,043 1,157

Most common faults

Mercedes-benz C

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  3. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Under-trays fitted obscuring some underside components
  6. Nearside Front Tyre worn close to the legal limit (4.1.E.1)

Mercedes-benz Gla 200 sport auto

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
  4. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  5. Nearside Rear Child Seat fitted not allowing full inspection of adult belt
  6. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Reliability FAQ

On MOT pass rate, the Mercedes-benz Gla 200 sport auto is the more reliable of the two — 91% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Full Mercedes-benz C report Full Mercedes-benz Gla 200 sport auto report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.