MOT reliability
Mercedes-benz C320 cdi
3 vehicles · 58 completed MOT tests analysed
71%
MOT pass rate
Based on 3 Mercedes-benz C320 cdi vehicles and 58 completed MOT tests, the Mercedes-benz C320 cdi has an overall 71% pass rate, with an average recorded mileage of 232,878 miles.
3
Vehicles
58
MOT tests
12,319
Avg miles / year
2.2
Faults per test
2%
Dangerous-fault share
Mercedes-benz C320 cdi problem areas
Where faults occur most across all Mercedes-benz C320 cdi MOT tests:
-
Other76%
-
Tyres, wheels & suspension27%
-
Brakes13%
-
Emissions & nuisance6%
-
Lamps & electrical5%
-
Seatbelts & equipment2%
-
Steering2%
-
Visibility1%
Mercedes-benz C320 cdi pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 2 | 1 | 100% |
| 3 | 3 | 100% |
| 4 | 4 | 75% |
| 5 | 4 | 75% |
| 6 | 3 | 67% |
| 7 | 4 | 75% |
| 8 | 4 | 75% |
| 9 | 4 | 75% |
| 10 | 2 | 100% |
| 11 | 5 | 60% |
| 12 | 4 | 75% |
| 13 | 4 | 50% |
| 14 | 4 | 50% |
| 15 | 4 | 50% |
| 16 | 3 | 67% |
| 17 | 3 | 67% |
| 19 | 1 | 100% |
| 20 | 1 | 100% |
Fuel types: Diesel (3)
Most common Mercedes-benz C320 cdi MOT faults
These are the faults and advisories recorded most often across Mercedes-benz C320 cdi MOT tests:
- Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d) (5 times)
- Under-trays fitted obscuring some underside components (5 times)
- SILL COVERS FITTED (5 times)
- UNDER-TRAYS FITTED (5 times)
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (4 times)
- Front Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (4 times)
- Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a) (3 times)
- Child seat fitted not allowing full inspection of adult belt (3 times)
- Engine covers fitted obscuring some components in the engine bay (3 times)
- Oil leak (3 times)
- Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (3 times)
- windscreen washers poor aims (2 times)
- Offside Headlamp not working on dipped beam (1.7.5a) (2 times)
- front registration plate damaged (2 times)
- o/s inner & n/s outer washer jets not working (2 times)
Mercedes-benz C320 cdi pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2007 | 1 | 19 | 74% | 209,620 |
| 2006 | 2 | 39 | 69% | 244,508 |
Mercedes-benz C320 cdi reliability FAQ
Across 3 Mercedes-benz C320 cdi vehicles in our MOT data,
71% pass the MOT (a 29% failure rate), with about
2.2 faults or advisories recorded per test.
The most frequently recorded Mercedes-benz C320 cdi MOT issues are:
Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d); Under-trays fitted obscuring some underside components; SILL COVERS FITTED.
The typical Mercedes-benz C320 cdi in our data has covered around
232,878 miles.
Compare the Mercedes-benz C320 cdi
See how the Mercedes-benz C320 cdi stacks up against other Mercedes-benz models on MOT reliability:
Check a specific Mercedes-benz C320 cdi
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