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Mercedes-benz C vs Mercedes-benz C 63 amg: 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 C 63 amg
100%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mercedes-benz C (78%) and Mercedes-benz C 63 amg (100%) 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 C 63 amg
MOT pass rate 78% 100% ✓
MOT failure rate 22% 0% ✓
Faults & advisories per test 1.7 0.8 ✓
Dangerous-fault share 3% 0% ✓
Average mileage 112,156 mi 59,102 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 C 63 amg

  1. Engine management light on
  2. Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))
  3. Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))
  4. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  5. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
  6. Nearside Rear Tyre worn close to legal limit/worn on edge 255/35/18 (5.2.3 (e))

Reliability FAQ

On MOT pass rate the Mercedes-benz C (78%) and Mercedes-benz C 63 amg (100%) 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 C 63 amg 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.