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Mercedes-benz C vs Mercedes-benz Mercedes507: 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 Mercedes507
82%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mercedes-benz C (78%) and Mercedes-benz Mercedes507 (82%) 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 Mercedes507
MOT pass rate 78% 82% ✓
MOT failure rate 22% 18% ✓
Faults & advisories per test 1.7 1.4 ✓
Dangerous-fault share 3% 0% ✓
Average mileage 112,156 mi 66,900 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 Mercedes507

  1. Both front disc's rusty
  2. Both front tyres badly perished
  3. Indicator tell-tale inoperative (4.9.1 (a) (i))
  4. Nearside Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a))
  5. Offside Headlamp aim so that beam "kick up" is not visible on the screen (4.1.2 (a))
  6. Offside Rear fog lamp missing (4.5.1 (a) (ii))

Reliability FAQ

On MOT pass rate the Mercedes-benz C (78%) and Mercedes-benz Mercedes507 (82%) 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 Mercedes507 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.