MOT reliability
Mercedes-benz 300 s
5 vehicles · 10 completed MOT tests analysed
90%
MOT pass rate
Based on 5 Mercedes-benz 300 s vehicles and 10 completed MOT tests, the Mercedes-benz 300 s has an overall 90% pass rate, with an average recorded mileage of 102,880 miles.
5
Vehicles
10
MOT tests
2,376
Avg miles / year
1
Faults per test
10%
Dangerous-fault share
Mercedes-benz 300 s problem areas
Where faults occur most across all Mercedes-benz 300 s MOT tests:
-
Tyres, wheels & suspension30%
-
Other20%
-
Emissions & nuisance20%
-
Visibility20%
-
Lamps & electrical10%
Mercedes-benz 300 s pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 10 | 1 | 100% |
Fuel types: Petrol (5)
Most common Mercedes-benz 300 s MOT faults
These are the faults and advisories recorded most often across Mercedes-benz 300 s MOT tests:
- Exhaust emits blue smoke during acceleration (8.2.1.2 (g)) (2 times)
- under trays and engine covers fitted obscuring view of certain testable components (1 times)
- All tyres starting to perish (1 times)
- Hazard warning switch faulty (4.4.2 (a) (i)) (1 times)
- Suspension system inoperative (5.3.5 (a)) (1 times)
- Front Tyre slightly damaged/cracking or perishing BOTH (5.2.3 (d) (ii)) (1 times)
- Rear Tyre slightly damaged/cracking or perishing BOTH (5.2.3 (d) (ii)) (1 times)
- Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i)) (1 times)
- Windscreen damaged but not adversely affecting driver's view small chip o/s (3.2 (a) (i)) (1 times)
Mercedes-benz 300 s pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2011 | 1 | 1 | 100% | 35,563 |
| 1998 | 1 | 2 | 50% | 55,447 |
| 1993 | 1 | 1 | 100% | 201,926 |
| 1986 | 1 | 1 | 100% | 111,995 |
| 1980 | 1 | 5 | 100% | 109,472 |
Mercedes-benz 300 s reliability FAQ
Across 5 Mercedes-benz 300 s vehicles in our MOT data,
90% pass the MOT (a 10% failure rate), with about
1 faults or advisories recorded per test.
The most frequently recorded Mercedes-benz 300 s MOT issues are:
Exhaust emits blue smoke during acceleration (8.2.1.2 (g)); under trays and engine covers fitted obscuring view of certain testable components; All tyres starting to perish.
The typical Mercedes-benz 300 s in our data has covered around
102,880 miles.
Compare the Mercedes-benz 300 s
See how the Mercedes-benz 300 s stacks up against other Mercedes-benz models on MOT reliability:
Check a specific Mercedes-benz 300 s
Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.
See all Mercedes-benz models · Learn about common MOT failures · what an MOT checks