MOT reliability
Mercedes-benz 814
19 vehicles · 141 completed MOT tests analysed
66%
MOT pass rate
Based on 19 Mercedes-benz 814 vehicles and 141 completed MOT tests, the Mercedes-benz 814 has an overall 66% pass rate, with an average recorded mileage of 602,200 miles.
19
Vehicles
141
MOT tests
11,671
Avg miles / year
2.8
Faults per test
2%
Dangerous-fault share
Mercedes-benz 814 problem areas
Where faults occur most across all Mercedes-benz 814 MOT tests:
-
Other28%
-
Brakes20%
-
Tyres, wheels & suspension15%
-
Lamps & electrical14%
-
Body & structure10%
-
Steering8%
-
Visibility5%
-
Emissions & nuisance3%
Mercedes-benz 814 pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 15 | 1 | 100% |
| 16 | 4 | 75% |
| 17 | 4 | 75% |
| 18 | 4 | 75% |
| 19 | 1 | 100% |
| 20 | 7 | 57% |
Fuel types: Diesel (19)
Most common Mercedes-benz 814 MOT faults
These are the faults and advisories recorded most often across Mercedes-benz 814 MOT tests:
- Oil leak, but not excessive (8.4.1 (a) (i)) (8 times)
- Nearside Front Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i)) (6 times)
- Offside Front Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i)) (6 times)
- Steering box has slight free play detected at steering wheel (2.3 (a) (i)) (5 times)
- Front Exhaust has a minor leak of exhaust gases (6.1.2 (a)) (4 times)
- Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) (4 times)
- Offside Front Service brake binding but not excessively (1.2.1 (f)) (4 times)
- Service brake efficiency below requirements (1.2.2 (a) (i)) (3 times)
- Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (3 times)
- Power steering pipe/hose slightly corroded pipe out of steering box (2.1.5 (g) (i)) (3 times)
- Suspension component corroded but not seriously weakened (5.3.3 (b) (i)) (3 times)
- Suspension component pin or bush slightly worn (5.3.4 (a) (i)) (3 times)
- Vehicle structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i)) (3 times)
- Nearside Front Brake hose slightly deteriorated (1.1.12 (b) (ii)) (2 times)
- Offside Front Brake hose slightly deteriorated (1.1.12 (b) (ii)) (2 times)
Mercedes-benz 814 pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2003 | 1 | 12 | 67% | — |
| 1999 | 1 | 3 | 67% | 620,168 |
| 1997 | 2 | 15 | 47% | 119,956 |
| 1996 | 4 | 42 | 62% | 243,353 |
| 1995 | 1 | 3 | 67% | 197,344 |
| 1990 | 2 | 17 | 71% | 572,810 |
| 1989 | 1 | 11 | 64% | 425,290 |
| 1985 | 1 | 1 | 100% | 150,628 |
Mercedes-benz 814 reliability FAQ
Across 19 Mercedes-benz 814 vehicles in our MOT data,
66% pass the MOT (a 34% failure rate), with about
2.8 faults or advisories recorded per test.
The most frequently recorded Mercedes-benz 814 MOT issues are:
Oil leak, but not excessive (8.4.1 (a) (i)); Nearside Front Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i)); Offside Front Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i)).
The typical Mercedes-benz 814 in our data has covered around
602,200 miles.
Compare the Mercedes-benz 814
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