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Mercedes-benz C250 sports cdi blueeffi cy vs Mercedes-benz E: reliability comparison

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

Mercedes-benz C250 sports cdi blueeffi cy
70%
MOT pass rate · 1 vehicles
Mercedes-benz E
79%
MOT pass rate · 429,719 vehicles
Verdict: On MOT pass rate the Mercedes-benz C250 sports cdi blueeffi cy (70%) and Mercedes-benz E (79%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mercedes-benz C250 sports cdi blueeffi cy Mercedes-benz E
MOT pass rate 70% 79% ✓
MOT failure rate 30% 21% ✓
Faults & advisories per test 2.2 1.6 ✓
Dangerous-fault share 0% ✓ 3%
Average mileage 202,970 mi 124,278 mi
Sample size (vehicles) 1 429,719

Most common faults

Mercedes-benz C250 sports cdi blueeffi cy

  1. under tray fitted to the car
  2. Front Coil spring corroded front both sides (5.3.1 (b) (i))
  3. Nearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
  4. Nearside Front Steering rack has slight free play detected at steering wheel (2.3 (a) (i))
  5. Nearside Front Suspension component ball joint has slight play (5.3.4 (a) (i))
  6. Nearside Front Track rod end ball joint has slight play (2.1.3 (b) (i))

Mercedes-benz E

  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. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  6. Offside Front Tyre worn close to the legal limit (4.1.E.1)

Reliability FAQ

On MOT pass rate the Mercedes-benz C250 sports cdi blueeffi cy (70%) and Mercedes-benz E (79%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mercedes-benz C250 sports cdi blueeffi cy report Full Mercedes-benz E 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.