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Mercedes-benz C vs Mercedes-benz E 400 amg line edition d 4m a: reliability comparison

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

Mercedes-benz C
78%
MOT pass rate · 675,043 vehicles
Mercedes-benz E 400 amg line edition d 4m a
85%
MOT pass rate · 45 vehicles
More reliable
Verdict: On MOT pass rate, the Mercedes-benz E 400 amg line edition d 4m a is the more reliable of the two — 85% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Head to head

Measure Mercedes-benz C Mercedes-benz E 400 amg line edition d 4m a
MOT pass rate 78% 85% ✓
MOT failure rate 22% 15% ✓
Faults & advisories per test 1.7 0.9 ✓
Dangerous-fault share 3% ✓ 9%
Average mileage 112,156 mi 54,073 mi
Sample size (vehicles) 675,043 45

Most common faults

Mercedes-benz C

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  3. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Under-trays fitted obscuring some underside components
  6. Nearside Front Tyre worn close to the legal limit (4.1.E.1)

Mercedes-benz E 400 amg line edition d 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. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  4. Nearside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))
  5. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  6. Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Reliability FAQ

On MOT pass rate, the Mercedes-benz E 400 amg line edition d 4m a is the more reliable of the two — 85% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Full Mercedes-benz C report Full Mercedes-benz E 400 amg line edition d 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.