Mercedes-benz 511 vs Mercedes-benz E: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mercedes-benz 511
75%
MOT pass rate · 1 vehicles
Mercedes-benz E
79%
MOT pass rate · 429,719 vehicles
Verdict: On MOT pass rate the Mercedes-benz 511 (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 511 | Mercedes-benz E |
|---|---|---|
| MOT pass rate | 75% | 79% ✓ |
| MOT failure rate | 25% | 21% ✓ |
| Faults & advisories per test | 0.5 ✓ | 1.6 |
| Dangerous-fault share | 0% ✓ | 3% |
| Average mileage | 267,331 mi | 124,278 mi |
| Sample size (vehicles) | 1 | 429,719 |
Most common faults
Mercedes-benz 511
- Offside Front Windscreen washer provides insufficient washer liquid (3.5 (a))
- Rear Lower Body component corroded and likely to cause injury rear bumper sharpe edges (6.2.1 (a) (i))
Mercedes-benz E
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
Reliability FAQ
On MOT pass rate the Mercedes-benz 511 (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 511 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.