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Mercedes-benz A-class vs Mercedes-benz Gla220 cdi: 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 Gla220 cdi
75%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz Gla220 cdi (75%) 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 Gla220 cdi
MOT pass rate 78% ✓ 75%
MOT failure rate 22% ✓ 25%
Faults & advisories per test 1.6 ✓ 2.4
Dangerous-fault share 3% 3%
Average mileage 86,210 mi 121,724 mi
Sample size (vehicles) 362,612 1

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 Gla220 cdi

  1. Engine cover fitted preventing full inspection.
  2. Nearside Front Inner Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Front Inner Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Under trays fitted preventing full inspection.
  5. FRONT TYRES ARE NORMAL AND THE REARS ARE RUN-FLATS
  6. Tyre worn close to legal limit/worn on edge BOTH REARS ARE GETTING LOW - 235/45R19 (5.2.3 (e))

Reliability FAQ

On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz Gla220 cdi (75%) 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 Gla220 cdi 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.