MOT reliability
Mercedes-benz S320
10 vehicles · 101 completed MOT tests analysed
83%
MOT pass rate
Based on 10 Mercedes-benz S320 vehicles and 101 completed MOT tests, the Mercedes-benz S320 has an overall 83% pass rate, with an average recorded mileage of 105,735 miles.
10
Vehicles
101
MOT tests
6,145
Avg miles / year
1.1
Faults per test
1%
Dangerous-fault share
Mercedes-benz S320 problem areas
Where faults occur most across all Mercedes-benz S320 MOT tests:
-
Other78%
-
Tyres, wheels & suspension22%
-
Lamps & electrical20%
-
Brakes6%
-
Emissions & nuisance5%
-
Visibility2%
-
Steering1%
-
Seatbelts & equipment1%
Mercedes-benz S320 pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 3 | 3 | 100% |
| 4 | 4 | 75% |
| 5 | 4 | 50% |
| 6 | 4 | 75% |
| 7 | 4 | 100% |
| 8 | 5 | 80% |
| 9 | 6 | 67% |
| 10 | 4 | 100% |
| 11 | 5 | 80% |
| 12 | 5 | 100% |
| 13 | 4 | 100% |
| 14 | 6 | 83% |
| 15 | 6 | 83% |
| 16 | 6 | 83% |
| 17 | 3 | 100% |
| 18 | 5 | 60% |
| 19 | 1 | 100% |
| 20 | 1 | 100% |
Fuel types: Petrol (5), Diesel (5)
Most common Mercedes-benz S320 MOT faults
These are the faults and advisories recorded most often across Mercedes-benz S320 MOT tests:
- Nearside Side repeater slightly discoloured (4.4.3 (a)) (8 times)
- Under-trays fitted obscuring some underside components (6 times)
- Offside Front Direction indicator slightly discoloured (4.4.3 (a)) (6 times)
- Nearside Front Direction indicator slightly discoloured (4.4.3 (a)) (4 times)
- Nearside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i)) (3 times)
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (3 times)
- Parking brake: efficiency below requirements (3.7.B.7) (2 times)
- Tyre slightly damaged/cracking or perishing all 4 (5.2.3 (d) (ii)) (2 times)
- Oil leak, but not excessive (8.4.1 (a) (i)) (2 times)
- Nearside Front Play in steering rack inner joint(s) (2 times)
- Offside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i)) (2 times)
- Offside Front Play in steering rack inner joint(s) (2 times)
- Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1) (2 times)
- head light washer system not working properly (2 times)
- parking brake efficency reading becoming uneven (2 times)
Mercedes-benz S320 pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2008 | 2 | 22 | 82% | 138,505 |
| 2007 | 2 | 33 | 91% | 196,392 |
| 1999 | 2 | 6 | 100% | 78,989 |
| 1998 | 1 | 30 | 73% | 62,362 |
| 1997 | 1 | 2 | 100% | 55,907 |
| 1996 | 1 | 7 | 71% | 19,869 |
Mercedes-benz S320 reliability FAQ
Across 10 Mercedes-benz S320 vehicles in our MOT data,
83% pass the MOT (a 17% failure rate), with about
1.1 faults or advisories recorded per test.
The most frequently recorded Mercedes-benz S320 MOT issues are:
Nearside Side repeater slightly discoloured (4.4.3 (a)); Under-trays fitted obscuring some underside components; Offside Front Direction indicator slightly discoloured (4.4.3 (a)).
The typical Mercedes-benz S320 in our data has covered around
105,735 miles.
Compare the Mercedes-benz S320
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