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Mercedes-benz A-class vs Mercedes-benz Glc 220 amg line d mhev 4mat a: reliability comparison

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

Mercedes-benz A-class
78%
MOT pass rate · 362,612 vehicles
Mercedes-benz Glc 220 amg line d mhev 4mat a
94%
MOT pass rate · 989 vehicles
Verdict: On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz Glc 220 amg line d mhev 4mat a (94%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mercedes-benz A-class Mercedes-benz Glc 220 amg line d mhev 4mat a
MOT pass rate 78% 94% ✓
MOT failure rate 22% 6% ✓
Faults & advisories per test 1.6 0.4 ✓
Dangerous-fault share 3% 0% ✓
Average mileage 86,210 mi 26,341 mi
Sample size (vehicles) 362,612 989

Most common faults

Mercedes-benz A-class

  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. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  4. Under-trays fitted obscuring some underside components
  5. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  6. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Mercedes-benz Glc 220 amg line d mhev 4mat a

  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. Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))
  4. Front Windscreen wiper blade defective (3.4 (b) (i))
  5. Nearside Front Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))
  6. Offside Front Headlamp aim too high (4.1.2 (a))

Reliability FAQ

On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz Glc 220 amg line d mhev 4mat a (94%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mercedes-benz A-class report Full Mercedes-benz Glc 220 amg line d mhev 4mat a 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.