Mercedes-benz E vs Mercedes-benz S320 cdi l auto: 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 S320 cdi l auto
80%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mercedes-benz E (79%) and Mercedes-benz S320 cdi l auto (80%) 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 S320 cdi l auto |
|---|---|---|
| MOT pass rate | 79% | 80% ✓ |
| MOT failure rate | 21% | 20% ✓ |
| Faults & advisories per test | 1.6 | 1.2 ✓ |
| Dangerous-fault share | 3% | 0% ✓ |
| Average mileage | 124,278 mi | 82,266 mi |
| Sample size (vehicles) | 429,719 | 1 |
Most common faults
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)
Mercedes-benz S320 cdi l auto
- Nearside Front Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))
- Front Brake disc worn, but not excessively n/s and o/s (1.1.14 (a) (i))
- Rear Brake disc worn, but not excessively n/s and o/s (1.1.14 (a) (i))
- Rear Sub-frame pin or bush worn but not resulting in excessive movement n/s and o/s (5.3.4 (a) (i))
- Brake disc worn, but not excessively n/s and o/s rear (1.1.14 (a) (i))
- Suspension arm pin or bush worn but not resulting in excessive movement n/s and o/s front (5.3.4 (a) (i))
Reliability FAQ
On MOT pass rate the Mercedes-benz E (79%) and Mercedes-benz S320 cdi l auto (80%) 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 S320 cdi l auto 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.