MOT reliability
Mercedes-benz B170
7 vehicles · 77 completed MOT tests analysed
73%
MOT pass rate
Based on 7 Mercedes-benz B170 vehicles and 77 completed MOT tests, the Mercedes-benz B170 has an overall 73% pass rate, with an average recorded mileage of 88,606 miles.
7
Vehicles
77
MOT tests
5,662
Avg miles / year
2.1
Faults per test
2%
Dangerous-fault share
Mercedes-benz B170 problem areas
Where faults occur most across all Mercedes-benz B170 MOT tests:
-
Tyres, wheels & suspension31%
-
Other28%
-
Brakes27%
-
Lamps & electrical12%
-
Body & structure7%
-
Visibility3%
-
Seatbelts & equipment2%
-
Emissions & nuisance2%
Mercedes-benz B170 pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 3 | 3 | 100% |
| 4 | 3 | 100% |
| 5 | 2 | 100% |
| 6 | 3 | 100% |
| 7 | 3 | 100% |
| 8 | 3 | 100% |
| 9 | 4 | 75% |
| 10 | 4 | 75% |
| 11 | 4 | 75% |
| 12 | 5 | 80% |
| 13 | 5 | 80% |
| 14 | 5 | 60% |
| 15 | 6 | 67% |
| 16 | 8 | 62% |
| 17 | 9 | 56% |
| 18 | 7 | 57% |
| 19 | 3 | 33% |
Fuel types: Petrol (7)
Most common Mercedes-benz B170 MOT faults
These are the faults and advisories recorded most often across Mercedes-benz B170 MOT tests:
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (7 times)
- Child seat fitted not allowing full inspection of adult belt (5 times)
- Nearside Rear Child Seat fitted not allowing full inspection of adult belt (5 times)
- Offside Front Tyre worn close to the legal limit (4.1.E.1) (4 times)
- Nearside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (4 times)
- Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (4 times)
- Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i)) (4 times)
- Offside Front Brake pad(s) wearing thin (1.1.13 (a) (ii)) (4 times)
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (4 times)
- Brake disc worn, pitted or scored, but not seriously weakened front and rear (1.1.14 (a) (ii)) (4 times)
- Parking brake efficiency below requirements (1.4.2 (a) (i)) (3 times)
- Nearside Front Shock absorbers has a serious fluid leak (5.3.2 (b)) (3 times)
- Nearside Front Inner Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) (3 times)
- Nearside Front Shock absorbers has light misting of oil (5.3.2 (b)) (3 times)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1) (2 times)
Mercedes-benz B170 pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2010 | 1 | 3 | 67% | 99,716 |
| 2008 | 3 | 22 | 86% | 60,531 |
| 2007 | 2 | 29 | 66% | 110,062 |
| 2006 | 1 | 23 | 70% | 118,810 |
Mercedes-benz B170 reliability FAQ
Across 7 Mercedes-benz B170 vehicles in our MOT data,
73% pass the MOT (a 27% failure rate), with about
2.1 faults or advisories recorded per test.
The most frequently recorded Mercedes-benz B170 MOT issues are:
Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Child seat fitted not allowing full inspection of adult belt; Nearside Rear Child Seat fitted not allowing full inspection of adult belt .
The typical Mercedes-benz B170 in our data has covered around
88,606 miles.
Compare the Mercedes-benz B170
See how the Mercedes-benz B170 stacks up against other Mercedes-benz models on MOT reliability:
Check a specific Mercedes-benz B170
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