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Mercedes-benz A-class vs Mercedes-benz Amg gls 63 nt ed exec mhev4m+a: 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 Amg gls 63 nt ed exec mhev4m+a
92%
MOT pass rate · 195 vehicles
Verdict: On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz Amg gls 63 nt ed exec mhev4m+a (92%) 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 Amg gls 63 nt ed exec mhev4m+a
MOT pass rate 78% 92% ✓
MOT failure rate 22% 8% ✓
Faults & advisories per test 1.6 0.5 ✓
Dangerous-fault share 3% ✓ 6%
Average mileage 86,210 mi 32,717 mi
Sample size (vehicles) 362,612 195

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 Amg gls 63 nt ed exec mhev4m+a

  1. Offside Front Inner Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Rear Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))
  4. Nearside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))
  5. Nearside Rear Nail in tyre
  6. Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Reliability FAQ

On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz Amg gls 63 nt ed exec mhev4m+a (92%) 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 Amg gls 63 nt ed exec mhev4m+a 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.