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Mercedes-benz 817 l vs Mercedes-benz A-class: reliability comparison

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

Mercedes-benz 817 l
60%
MOT pass rate · 1 vehicles
Mercedes-benz A-class
78%
MOT pass rate · 362,612 vehicles
Verdict: On MOT pass rate the Mercedes-benz 817 l (60%) 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 817 l Mercedes-benz A-class
MOT pass rate 60% 78% ✓
MOT failure rate 40% 22% ✓
Faults & advisories per test 2.4 1.6 ✓
Dangerous-fault share 8% 3% ✓
Average mileage 360,486 mi 86,210 mi
Sample size (vehicles) 1 362,612

Most common faults

Mercedes-benz 817 l

  1. Nearside Front Anti-roll bar linkage pin or bush excessively worn (5.3.4 (a) (i))
  2. Nearside Front Drag link end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))
  3. Nearside Front Drag link end ball joint has slight play (2.1.3 (b) (i))
  4. Nearside Rear Upper top Marker lamp inop
  5. Offside Front Windscreen washer not working (3.5 (a))
  6. Offside Rear Maker lamp inop

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 817 l (60%) 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 817 l 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.