Mg ZS - 2019
150.5 faults per 100 tests
Year average for all cars of 2019 is 108.6 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mg ZS, model year 2019.
Sample size: 8,982 cars, 19,846 tests and 29,873 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: 8,982 cars
The 2019 MG ZS has a significantly higher overall defect rate, with 151 defects per 100 vehicles compared to the yearly average of 106 defects per 100 vehicles, representing a 42% increase. This model shows a notable trend of increasing defects with mileage, particularly in the 93,000 to 124,000 miles segment, where the defect rate reaches 348 per 100 vehicles. While the MG ZS performs better than average in steering and body/structure defects, it has higher rates of issues in brakes, lights and electrics, as well as wheels, suspensions, and axles. Overall, this model presents a mixed performance profile, excelling in some areas while facing challenges in critical safety components.
Cars by mileage segment
Total: 8,982 cars
Categories
Brakes
▼ 81.1% worse
113.0 faults / 100 tests
Year avg: 62.4 / 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
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
Steering
▲ 60.7% better
1.1 faults / 100 tests
Year avg: 2.8 / 100 tests
- Excessive radial movement between the top of the steering column and the shaft indicating an excessively worn top bearing
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- A steering ball joint: with excessive wear or free play
- A steering ball joint: with excessive wear or free play
Visibility
▲ 18.8% better
11.2 faults / 100 tests
Year avg: 13.8 / 100 tests
- 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
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▼ 58.4% worse
23.6 faults / 100 tests
Year avg: 14.9 / 100 tests
- 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
- Lamp: multiple light source up to a half not functioning
Wheels & Suspension
▼ 22.1% worse
137.8 faults / 100 tests
Year avg: 112.9 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A spring: or spring component fractured or seriously weakened
- Tyre tread depth not in accordance with the requirements
- A suspension pin, bush, joint or bearing: excessively worn
- Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 28.6% better
2.5 faults / 100 tests
Year avg: 3.5 / 100 tests
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- Exhaust system has a major leak or is insecure
- A door will not open using the relevant control or close properly
- A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▲ 16.7% better
1.5 faults / 100 tests
Year avg: 1.8 / 100 tests
- A seat belt:
- Seat belt buckle missing, damaged or not functioning as intended
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- ESC MIL indicates a system malfunction
Other
▼ 102.0% worse
10.3 faults / 100 tests
Year avg: 5.1 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Engine MIL inoperative or indicating a malfunction
- Engine MIL inoperative or indicating a malfunction
- Emissions levels exceed default limits
- Emissions levels exceed the manufacturer’s specified limits
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 7,149
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 5,294
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 2,642
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 2,452
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 827
Significant brake effort recorded with no brake applied indicating a binding brake
ADVISORY
Occurrences: 800
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 603
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 588
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 489
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 447
Serious faults (Top 10)
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 827
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 447
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 421
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 288
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 270
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 263
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 261
Emissions levels exceed default limits
FAIL
Occurrences: 248
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 239
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 178