Mg ZS - 2017
180.9 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 Mg ZS, model year 2017.
Sample size: 364 cars, 728 tests and 1,317 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: 364 cars
The 2017 MG ZS has an overall defect rate of 181 defects per 100 vehicles, which is significantly higher than the average of 134 defects per 100 vehicles from the same year, marking a 35% increase. Notably, the model performs better in steering and body/structure defects, showing a 20% and 66% lower incidence respectively compared to the average. However, it faces higher rates of issues with brakes, lights and electrics, and wheels, which are substantially above the average rates. Mileage trends indicate that defect rates increase with mileage, particularly in the lower mileage categories, where the MG ZS has a notably higher defect rate compared to the yearly average.
Cars by mileage segment
Total: 364 cars
Categories
Brakes
▼ 62.6% worse
117.9 faults / 100 tests
Year avg: 72.5 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Warning device shows system malfunction
- Brake lining or pad: worn below 1.5mm
- Significant brake effort recorded with no brake applied indicating a binding brake
Steering
▲ 26.8% better
4.1 faults / 100 tests
Year avg: 5.6 / 100 tests
- Excessive radial movement between the top of the steering column and the shaft indicating an excessively worn top bearing
- Attachment of steering column: defective
- Power steering fluid leaking or system malfunctioning
- A steering ball joint: with excessive wear or free play
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
Visibility
▼ 17.2% worse
17.0 faults / 100 tests
Year avg: 14.5 / 100 tests
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▼ 51.0% worse
30.8 faults / 100 tests
Year avg: 20.4 / 100 tests
- Lamp emitted colour, position or intensity not in accordance with the requirements
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- Headlamp aim unable to be tested
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▼ 21.3% worse
173.6 faults / 100 tests
Year avg: 143.1 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A suspension component: excessively damaged or corroded
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A spring: or spring component fractured or seriously weakened
Body/Structure
▲ 68.6% better
2.2 faults / 100 tests
Year avg: 7.0 / 100 tests
- Exhaust system has a major leak or is insecure
- Fuel system: leaking, or missing or ineffective filler cap
- Exhaust system has a major leak or is insecure
- A door will not open using the relevant control or close properly
Equipment
▼ 92.6% worse
5.2 faults / 100 tests
Year avg: 2.7 / 100 tests
- Seat belt buckle missing, damaged or not functioning as intended
- Seat belt buckle missing, damaged or not functioning as intended
- ESC MIL indicates a system malfunction
- Steering lock missing or not functioning
- A seat belt:
Other
▼ 22.2% worse
11.0 faults / 100 tests
Year avg: 9.0 / 100 tests
- 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
- Engine MIL inoperative or indicating a malfunction
- Engine MIL inoperative or indicating a malfunction
- Lambda coefficient outside the default limits or the range specified by the manufacturer
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 231
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 231
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 103
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 60
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 45
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 38
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 35
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 31
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 29
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 29
Serious faults (Top 10)
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 45
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 29
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 20
Warning device shows system malfunction
FAIL
Occurrences: 19
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 18
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 16
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 13
ESC MIL indicates a system malfunction
FAIL
Occurrences: 12
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 11
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 9