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Mercedes-benz C vs Mercedes-benz Sprinter 515 progressive cdi: 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 Sprinter 515 progressive cdi
95%
MOT pass rate · 1,837 vehicles
More reliable
Verdict: On MOT pass rate, the Mercedes-benz Sprinter 515 progressive cdi is the more reliable of the two — 95% 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 Sprinter 515 progressive cdi
MOT pass rate 78% 95% ✓
MOT failure rate 22% 5% ✓
Faults & advisories per test 1.7 0.3 ✓
Dangerous-fault share 3% 3%
Average mileage 112,156 mi 31,102 mi
Sample size (vehicles) 675,043 1,837

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 Sprinter 515 progressive cdi

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))
  3. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Rear Inner Nail in tyre
  5. engine covers and under trays fitted
  6. Exhaust particulate filter obviously defective (8.2.2.1 (a))

Reliability FAQ

On MOT pass rate, the Mercedes-benz Sprinter 515 progressive cdi is the more reliable of the two — 95% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Full Mercedes-benz C report Full Mercedes-benz Sprinter 515 progressive cdi 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.