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Mercedes-benz 308d vs Mercedes-benz A-class: reliability comparison

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

Mercedes-benz 308d
55%
MOT pass rate · 3 vehicles
Mercedes-benz A-class
78%
MOT pass rate · 362,612 vehicles
Verdict: On MOT pass rate the Mercedes-benz 308d (55%) and Mercedes-benz A-class (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mercedes-benz 308d Mercedes-benz A-class
MOT pass rate 55% 78% ✓
MOT failure rate 45% 22% ✓
Faults & advisories per test 5.9 1.6 ✓
Dangerous-fault share 1% ✓ 3%
Average mileage 174,617 mi 86,210 mi
Sample size (vehicles) 3 362,612

Most common faults

Mercedes-benz 308d

  1. Steering box has slight free play detected at steering wheel (2.3 (a) (i))
  2. Nearside Rear Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))
  3. Nearside Front Direction indicator not working (4.4.1 (a) (ii))
  4. Nearside Rear Direction indicator not working (4.4.1 (a) (ii))
  5. Front Indicator switch faulty indicator stick (4.4.2 (a) (i))
  6. Prop shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (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 308d (55%) and Mercedes-benz A-class (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mercedes-benz 308d 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.