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Mercedes-benz C vs Mercedes-benz E350 bluetec: 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 E350 bluetec
90%
MOT pass rate · 4 vehicles
Verdict: On MOT pass rate the Mercedes-benz C (78%) and Mercedes-benz E350 bluetec (90%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mercedes-benz C Mercedes-benz E350 bluetec
MOT pass rate 78% 90% ✓
MOT failure rate 22% 10% ✓
Faults & advisories per test 1.7 1.2 ✓
Dangerous-fault share 3% 0% ✓
Average mileage 112,156 mi 89,454 mi
Sample size (vehicles) 675,043 4

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 E350 bluetec

  1. covers fitted
  2. Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))
  3. Nearside Front Shock absorbers has light misting of oil and covered (5.3.2 (b))
  4. Offside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement forward (5.3.4 (a) (i))
  5. Rear suspension arms bushes slightly deteriorated
  6. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Reliability FAQ

On MOT pass rate the Mercedes-benz C (78%) and Mercedes-benz E350 bluetec (90%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mercedes-benz C report Full Mercedes-benz E350 bluetec 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.