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Mercedes-benz C vs Mercedes-benz E 350d: 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 350d
77%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mercedes-benz C (78%) and Mercedes-benz E 350d (77%) 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 E 350d
MOT pass rate 78% ✓ 77%
MOT failure rate 22% ✓ 23%
Faults & advisories per test 1.7 1.0 ✓
Dangerous-fault share 3% ✓ 8%
Average mileage 112,156 mi 103,383 mi
Sample size (vehicles) 675,043 1

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 350d

  1. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
  2. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  3. front tyres worn on edges
  4. rear tyres perished
  5. Nearside Rear Tyre has a lump, caused by separation or partial failure of its structure (5.2.3 (d) (ii))
  6. Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))

Reliability FAQ

On MOT pass rate the Mercedes-benz C (78%) and Mercedes-benz E 350d (77%) 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 E 350d 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.