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Mercedes-benz 508 motorhome vs Mercedes-benz E: reliability comparison

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

Mercedes-benz 508 motorhome
75%
MOT pass rate · 1 vehicles
Mercedes-benz E
79%
MOT pass rate · 429,719 vehicles
Verdict: On MOT pass rate the Mercedes-benz 508 motorhome (75%) 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 508 motorhome Mercedes-benz E
MOT pass rate 75% 79% ✓
MOT failure rate 25% 21% ✓
Faults & advisories per test 1.2 ✓ 1.6
Dangerous-fault share 0% ✓ 3%
Average mileage 92,641 mi 124,278 mi
Sample size (vehicles) 1 429,719

Most common faults

Mercedes-benz 508 motorhome

  1. Brake pressure storage reservoir has minor corrosion (1.1.9 (a) (i))
  2. Bonnet primary retaining device ineffective (3.1 (c))
  3. Drag link end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))
  4. Nearside Front Obligatory mirror insecure (3.3 (b) (ii))
  5. Rear Brakes imbalanced across an axle Rise and Fall (1.2.1 (b) (i))
  6. Rear Exhaust has a major leak of exhaust gases (6.1.2 (a))

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 508 motorhome (75%) 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 508 motorhome 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.