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Mercedes-benz Cls250 cdi amg blue-cy sport a vs Mercedes-benz E: reliability comparison

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

Mercedes-benz Cls250 cdi amg blue-cy sport a
83%
MOT pass rate · 398 vehicles
More reliable
Mercedes-benz E
79%
MOT pass rate · 429,719 vehicles
Verdict: On MOT pass rate, the Mercedes-benz Cls250 cdi amg blue-cy sport a is the more reliable of the two — 83% pass first time versus 79%. It's one signal among several; check the full breakdown below.

Head to head

Measure Mercedes-benz Cls250 cdi amg blue-cy sport a Mercedes-benz E
MOT pass rate 83% 79%
MOT failure rate 17% 21%
Faults & advisories per test 0.0 1.6
Dangerous-fault share 3%
Average mileage 111,315 mi 124,278 mi
Sample size (vehicles) 398 429,719

Most common faults

Mercedes-benz Cls250 cdi amg blue-cy sport a

No fault breakdown available.

Mercedes-benz E

  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. 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)

Reliability FAQ

On MOT pass rate, the Mercedes-benz Cls250 cdi amg blue-cy sport a is the more reliable of the two — 83% pass first time versus 79%. It's one signal among several; check the full breakdown below.

Full Mercedes-benz Cls250 cdi amg blue-cy sport a report Full Mercedes-benz E 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.