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Mercedes-benz A-class vs Mercedes-benz E 450 amg line edition 4m 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 E 450 amg line edition 4m a
89%
MOT pass rate · 13 vehicles
Verdict: On MOT pass rate the Mercedes-benz A-class (78%) and Mercedes-benz E 450 amg line edition 4m a (89%) 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 E 450 amg line edition 4m a
MOT pass rate 78% 89% ✓
MOT failure rate 22% 11% ✓
Faults & advisories per test 1.6 0.7 ✓
Dangerous-fault share 3% ✓ 16%
Average mileage 86,210 mi 45,774 mi
Sample size (vehicles) 362,612 13

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 E 450 amg line edition 4m a

  1. Offside Rear 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. Windscreen wiper blade defective (3.4 (b) (i))
  4. Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))
  5. Nearside Front Tyre slightly damaged (5.2.3 (d) (ii))
  6. Offside Front 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 E 450 amg line edition 4m a (89%) 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 E 450 amg line edition 4m 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.