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Mercedes-benz Amg sl 55 4matic+ premium + a vs Mercedes-benz E: reliability comparison

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

Mercedes-benz Amg sl 55 4matic+ premium + a
91%
MOT pass rate · 166 vehicles
Mercedes-benz E
79%
MOT pass rate · 429,719 vehicles
Verdict: On MOT pass rate the Mercedes-benz Amg sl 55 4matic+ premium + a (91%) and Mercedes-benz E (79%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mercedes-benz Amg sl 55 4matic+ premium + a Mercedes-benz E
MOT pass rate 91% ✓ 79%
MOT failure rate 9% ✓ 21%
Faults & advisories per test 0.3 ✓ 1.6
Dangerous-fault share 10% 3% ✓
Average mileage 9,970 mi 124,278 mi
Sample size (vehicles) 166 429,719

Most common faults

Mercedes-benz Amg sl 55 4matic+ premium + a

  1. Offside Front Outer Tyre has a bulge, caused by separation or partial failure of its structure (5.2.3 (d) (ii))
  2. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Rear Nail in tyre Inner edge
  4. Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))
  5. Nearside Front Tyre fouling a part of the vehicle (5.2.3 (f))
  6. Nearside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

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 Amg sl 55 4matic+ premium + a (91%) and Mercedes-benz E (79%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mercedes-benz Amg sl 55 4matic+ premium + 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.