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Mercedes-benz A180d vs Mercedes-benz C: reliability comparison

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

Mercedes-benz A180d
82%
MOT pass rate · 21 vehicles
Mercedes-benz C
78%
MOT pass rate · 675,043 vehicles
Verdict: On MOT pass rate the Mercedes-benz A180d (82%) and Mercedes-benz C (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mercedes-benz A180d Mercedes-benz C
MOT pass rate 82% ✓ 78%
MOT failure rate 18% ✓ 22%
Faults & advisories per test 0.9 ✓ 1.7
Dangerous-fault share 8% 3% ✓
Average mileage 62,255 mi 112,156 mi
Sample size (vehicles) 21 675,043

Most common faults

Mercedes-benz A180d

  1. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
  2. Oil leak, but not excessive (8.4.1 (a) (i))
  3. Offside Front Outer Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))
  5. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  6. Both rear tyres wearing unevenly

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)

Reliability FAQ

On MOT pass rate the Mercedes-benz A180d (82%) and Mercedes-benz C (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mercedes-benz A180d report Full Mercedes-benz C 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.