MOT reliability
Mercedes-benz S350 cdi
5 vehicles · 74 completed MOT tests analysed
82%
MOT pass rate
Based on 5 Mercedes-benz S350 cdi vehicles and 74 completed MOT tests, the Mercedes-benz S350 cdi has an overall 82% pass rate, with an average recorded mileage of 135,546 miles.
5
Vehicles
74
MOT tests
8,087
Avg miles / year
1.3
Faults per test
2%
Dangerous-fault share
Mercedes-benz S350 cdi problem areas
Where faults occur most across all Mercedes-benz S350 cdi MOT tests:
-
Other39%
-
Tyres, wheels & suspension28%
-
Brakes24%
-
Emissions & nuisance12%
-
Lamps & electrical1%
-
Visibility1%
Mercedes-benz S350 cdi pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 2 | 1 | 100% |
| 3 | 4 | 100% |
| 4 | 6 | 83% |
| 5 | 4 | 100% |
| 6 | 5 | 100% |
| 7 | 7 | 71% |
| 8 | 6 | 83% |
| 9 | 6 | 83% |
| 10 | 7 | 71% |
| 11 | 6 | 83% |
| 12 | 5 | 100% |
| 13 | 9 | 67% |
| 14 | 6 | 67% |
| 15 | 1 | 100% |
| 16 | 1 | 100% |
Fuel types: Diesel (5)
Most common Mercedes-benz S350 cdi MOT faults
These are the faults and advisories recorded most often across Mercedes-benz S350 cdi MOT tests:
- Rear Brake pad(s) wearing thin (3.5.1g) (4 times)
- Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) (4 times)
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (3 times)
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (3 times)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (3 times)
- Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (3 times)
- Front Brake disc worn, but not excessively (1.1.14 (a) (i)) (3 times)
- Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (3 times)
- Front Brake pad(s) wearing thin (3.5.1g) (2 times)
- Offside Front Wheel bearing has slight play (5.1.3 (a) (i)) (2 times)
- Nearside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (2 times)
- Offside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (2 times)
- Oil leak, but not excessive (8.4.1 (a) (i)) (2 times)
- Anti-lock braking system warning lamp indicates an ABS fault (3.4.1c) (2 times)
- Nearside Front brake disc worn, pitted or scored, but not seriously weakened inner face (3.5.1i) (2 times)
Mercedes-benz S350 cdi pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2012 | 1 | 12 | 92% | 108,284 |
| 2011 | 3 | 43 | 84% | 156,707 |
| 2010 | 1 | 19 | 74% | 99,324 |
Mercedes-benz S350 cdi reliability FAQ
Across 5 Mercedes-benz S350 cdi vehicles in our MOT data,
82% pass the MOT (a 18% failure rate), with about
1.3 faults or advisories recorded per test.
The most frequently recorded Mercedes-benz S350 cdi MOT issues are:
Rear Brake pad(s) wearing thin (3.5.1g); Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)); Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)).
The typical Mercedes-benz S350 cdi in our data has covered around
135,546 miles.
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