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Mercedes-benz B170sport vs Mercedes-benz E: reliability comparison

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

Mercedes-benz B170sport
50%
MOT pass rate · 1 vehicles
Mercedes-benz E
79%
MOT pass rate · 429,719 vehicles
Verdict: On MOT pass rate the Mercedes-benz B170sport (50%) 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 B170sport Mercedes-benz E
MOT pass rate 50% 79% ✓
MOT failure rate 50% 21% ✓
Faults & advisories per test 1.6 1.6
Dangerous-fault share 25% 3% ✓
Average mileage 102,783 mi 124,278 mi
Sample size (vehicles) 1 429,719

Most common faults

Mercedes-benz B170sport

  1. Brake pipe corroded, covered in grease or other material (1.1.11 (c))
  2. Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))
  3. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii))
  5. Brake disc worn, pitted or scored, but not seriously weakened front and rear (1.1.14 (a) (ii))
  6. Offside Front Inner Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (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 B170sport (50%) 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 B170sport 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.