Mazda BONGO - 2017
303.9 faults per 100 tests
Year average for all cars of 2017 is 137.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mazda BONGO, model year 2017.
Sample size: 231 cars, 331 tests and 1,006 recorded faults.
0%
More faults compared to the average car of same model year
More faults compared to the average car of same model year
Quick summary
Total: 231 cars
The 2017 Mazda Bongo has a significantly higher overall defect rate, with 304 defects per 100 vehicles, compared to the average of 134 defects for similar models, marking a 127% increase. Notably, the Bongo shows pronounced weaknesses in categories such as Brakes and Steering, where its defect rates are considerably higher than the average. Additionally, the model experiences increased issues in Visibility, Lights & Electrics, and Body/Structure, all of which exceed the average defect rates by a substantial margin. Mileage trends indicate that defect rates rise with increased mileage, particularly in the higher mileage brackets where the Bongo shows defects at rates well above average.
Cars by mileage segment
Total: 231 cars
Categories
Brakes
▼ 38.3% worse
100.3 faults / 100 tests
Year avg: 72.5 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Significant brake effort recorded with no brake applied indicating a binding brake
- Service brake efficiency: below minimum requirement
- Brake lining or pad: worn below 1.5mm
- Brake pipe damaged or excessively corroded
Steering
▼ 276.8% worse
21.1 faults / 100 tests
Year avg: 5.6 / 100 tests
- Power steering fluid leaking or system malfunctioning
- The strength or continuity of the load bearing structure within 30cm of any steering component mounting (a ‘prescribed area’): is significantly reduced or inadequately repaired
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
- Steering box: leaking oil
Visibility
▼ 87.6% worse
27.2 faults / 100 tests
Year avg: 14.5 / 100 tests
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: defective
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▼ 456.9% worse
113.6 faults / 100 tests
Year avg: 20.4 / 100 tests
- Headlamp reflector or lens: slightly defective
- Beam image obviously incorrect
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
- Lamp: multiple light source up to a half not functioning
Wheels & Suspension
▼ 74.8% worse
250.2 faults / 100 tests
Year avg: 143.1 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- Tyre tread depth not in accordance with the requirements
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A suspension joint dust cover: severely deteriorated
Body/Structure
▼ 400.0% worse
35.0 faults / 100 tests
Year avg: 7.0 / 100 tests
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- A transmission shaft constant velocity joint boot: severely deteriorated
- Exhaust system has a major leak or is insecure
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Exhaust system has a major leak or is insecure
Equipment
▼ 122.2% worse
6.0 faults / 100 tests
Year avg: 2.7 / 100 tests
- A seat belt: or flexible stalk damaged
- Seat belt buckle missing, damaged or not functioning as intended
- A seat belt:
- is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▼ 497.8% worse
53.8 faults / 100 tests
Year avg: 9.0 / 100 tests
- Emissions levels exceed default limits
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Emissions levels exceed the manufacturer’s specified limits
- Emissions test unable to be completed
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 93
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 64
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 60
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 58
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 47
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 42
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 38
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 32
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
MINOR
Occurrences: 25
Headlamp reflector or lens: slightly defective
MINOR
Occurrences: 23
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 32
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 18
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 17
Beam image obviously incorrect
FAIL
Occurrences: 15
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
FAIL
Occurrences: 10
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 9
Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
FAIL
Occurrences: 9
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 8
Front or rear fog lamp emitted colour or position not in accordance with the requirements
FAIL
Occurrences: 7
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 7