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Mercedes-benz A-class vs Mercedes-benz Hymer b-ml i 780 auto: 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 Hymer b-ml i 780 auto
67%
MOT pass rate · 25 vehicles
Verdict: On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz Hymer b-ml i 780 auto (67%) 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 Hymer b-ml i 780 auto
MOT pass rate 78% ✓ 67%
MOT failure rate 22% ✓ 33%
Faults & advisories per test 1.6 0.2 ✓
Dangerous-fault share 3% ✓ 33%
Average mileage 86,210 mi 16,932 mi
Sample size (vehicles) 362,612 25

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 Hymer b-ml i 780 auto

  1. Nearside Rear Tyre has a tear, caused by separation or partial failure of its structure cut inside wall, cords visible (5.2.3 (d) (ii))
  2. Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))
  3. Nearside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))
  4. Offside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))
  5. Rear Upper Outline marker lamp showing red light to the front nearside and offside (4.2.3 (a) (ii))

Reliability FAQ

On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz Hymer b-ml i 780 auto (67%) 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 Hymer b-ml i 780 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.