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Mercedes-benz E vs Mercedes-benz Slk 200: reliability comparison

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

Mercedes-benz E
79%
MOT pass rate · 429,719 vehicles
Mercedes-benz Slk 200
83%
MOT pass rate · 12 vehicles
Verdict: On MOT pass rate the Mercedes-benz E (79%) and Mercedes-benz Slk 200 (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mercedes-benz E Mercedes-benz Slk 200
MOT pass rate 79% 83% ✓
MOT failure rate 21% 17% ✓
Faults & advisories per test 1.6 1.1 ✓
Dangerous-fault share 3% ✓ 5%
Average mileage 124,278 mi 67,485 mi
Sample size (vehicles) 429,719 12

Most common faults

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)

Mercedes-benz Slk 200

  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. Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Reliability FAQ

On MOT pass rate the Mercedes-benz E (79%) and Mercedes-benz Slk 200 (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mercedes-benz E report Full Mercedes-benz Slk 200 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.