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Mercedes-benz A-class vs Mercedes-benz V300d: 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 V300d
87%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz V300d (87%) 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 V300d
MOT pass rate 78% 87% ✓
MOT failure rate 22% 13% ✓
Faults & advisories per test 1.6 0.6 ✓
Dangerous-fault share 3% ✓ 11%
Average mileage 86,210 mi 79,061 mi
Sample size (vehicles) 362,612 2

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 V300d

  1. Nearside Front Tyre worn close to legal limit/worn on edge worn on the edge (5.2.3 (e))
  2. Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Rear Spare wheel carrier insecure (6.1.5 (a))
  4. Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii))
  5. Nearside Front Tyre worn close to legal limit/worn on edge wearing on the edges (5.2.3 (e))
  6. Front Brake pad(s) wearing thin slightly low (1.1.13 (a) (ii))

Reliability FAQ

On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz V300d (87%) 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 V300d 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.