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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)TestsPass rate
33100%
43100%
52100%
63100%
73100%
83100%
9475%
10475%
11475%
12580%
13580%
14560%
15667%
16862%
17956%
18757%
19333%

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:

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (7 times)
  2. Child seat fitted not allowing full inspection of adult belt (5 times)
  3. Nearside Rear Child Seat fitted not allowing full inspection of adult belt (5 times)
  4. Offside Front Tyre worn close to the legal limit (4.1.E.1) (4 times)
  5. Nearside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (4 times)
  6. Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (4 times)
  7. Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i)) (4 times)
  8. Offside Front Brake pad(s) wearing thin (1.1.13 (a) (ii)) (4 times)
  9. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (4 times)
  10. Brake disc worn, pitted or scored, but not seriously weakened front and rear (1.1.14 (a) (ii)) (4 times)
  11. Parking brake efficiency below requirements (1.4.2 (a) (i)) (3 times)
  12. Nearside Front Shock absorbers has a serious fluid leak (5.3.2 (b)) (3 times)
  13. 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)
  14. Nearside Front Shock absorbers has light misting of oil (5.3.2 (b)) (3 times)
  15. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (2 times)

Mercedes-benz B170 pass rate by registration year

YearVehiclesTestsPass rateAvg 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.

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