Skip to content

Mercedes-benz 600 vs Mercedes-benz C: reliability comparison

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

Mercedes-benz 600
80%
MOT pass rate · 466 vehicles
More reliable
Mercedes-benz C
78%
MOT pass rate · 675,043 vehicles
Verdict: On MOT pass rate, the Mercedes-benz 600 is the more reliable of the two — 80% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Head to head

Measure Mercedes-benz 600 Mercedes-benz C
MOT pass rate 80% ✓ 78%
MOT failure rate 20% ✓ 22%
Faults & advisories per test 1.5 ✓ 1.7
Dangerous-fault share 0% ✓ 3%
Average mileage 92,934 mi 112,156 mi
Sample size (vehicles) 466 675,043

Most common faults

Mercedes-benz 600

  1. Oil leak
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  3. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  4. Oil leak, but not excessive (8.4.1 (a) (i))
  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)

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)

Reliability FAQ

On MOT pass rate, the Mercedes-benz 600 is the more reliable of the two — 80% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Full Mercedes-benz 600 report Full Mercedes-benz C 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.