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Mercedes-benz A 180 sport executive d vs Mercedes-benz A-class: reliability comparison

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

Mercedes-benz A 180 sport executive d
90%
MOT pass rate · 73 vehicles
More reliable
Mercedes-benz A-class
78%
MOT pass rate · 362,612 vehicles
Verdict: On MOT pass rate, the Mercedes-benz A 180 sport executive d is the more reliable of the two — 90% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Head to head

Measure Mercedes-benz A 180 sport executive d Mercedes-benz A-class
MOT pass rate 90% ✓ 78%
MOT failure rate 10% ✓ 22%
Faults & advisories per test 1.0 ✓ 1.6
Dangerous-fault share 5% 3% ✓
Average mileage 58,173 mi 86,210 mi
Sample size (vehicles) 73 362,612

Most common faults

Mercedes-benz A 180 sport executive d

  1. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  5. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
  6. Offside Rear Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))

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))

Reliability FAQ

On MOT pass rate, the Mercedes-benz A 180 sport executive d is the more reliable of the two — 90% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Full Mercedes-benz A 180 sport executive d report Full Mercedes-benz A-class 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.