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Mercedes-benz A-class vs Mercedes-benz C180 amg sport blue effiency: 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 C180 amg sport blue effiency
83%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz C180 amg sport blue effiency (83%) 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 C180 amg sport blue effiency
MOT pass rate 78% 83% ✓
MOT failure rate 22% 17% ✓
Faults & advisories per test 1.6 1.0 ✓
Dangerous-fault share 3% 0% ✓
Average mileage 86,210 mi 104,653 mi
Sample size (vehicles) 362,612 1

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 C180 amg sport blue effiency

  1. Nearside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  2. Offside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  3. Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))
  4. Offside Front Wheel bearing slightly noisy (5.1.3 (b) (i))
  5. Central Front Driver's view of the road through the swept area of the windscreen significantly affected by an obstruction (3.1 (a) (ii))

Reliability FAQ

On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz C180 amg sport blue effiency (83%) 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 C180 amg sport blue effiency 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.