Mg 3 - 2022
85.7 faults per 100 tests
Year average for all cars of 2022 is 71.1 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mg 3, model year 2022.
Sample size: 3,063 cars, 3,776 tests and 3,236 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: 3,063 cars
The 2022 MG 3 has an overall defect rate of 86 defects per 100 vehicles, which is notably higher than the average of 70 per 100. This model shows particularly high failure rates in categories such as Steering, Lights & Electrics, and Wheels, Suspensions & Axles, significantly exceeding the averages for those areas. Conversely, it performs better than average in Body/Structure and Equipment, with lower defect rates in these categories. Mileage trends indicate an increase in defects with higher mileage, though the model's performance remains inconsistent compared to its peers. Overall, while the MG 3 excels in some areas, it faces challenges in critical mechanical systems.
Cars by mileage segment
Total: 3,063 cars
Categories
Brakes
▲ 1.0% better
30.9 faults / 100 tests
Year avg: 31.2 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Excessive fluctuation in brake effort through each wheel revolution
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
Steering
▼ 175.0% worse
1.1 faults / 100 tests
Year avg: 0.4 / 100 tests
- Power steering fluid leaking or system malfunctioning
- A steering ball joint: with excessive wear or free play
- A steering ball joint: with excessive wear or free play
- A steering ball joint: with excessive wear or free play
Visibility
▲ 0.8% better
12.4 faults / 100 tests
Year avg: 12.5 / 100 tests
- Wiper blade: missing or obviously not clearing the windscreen
- 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
Lights & Electrics
▼ 34.9% worse
14.7 faults / 100 tests
Year avg: 10.9 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- The aim of a headlamp is not within limits laid down in the requirements
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
Wheels & Suspension
▼ 30.4% worse
106.9 faults / 100 tests
Year avg: 82.0 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 25.0% better
1.2 faults / 100 tests
Year avg: 1.6 / 100 tests
- A door will not open using the relevant control or close properly
- A transmission shaft constant velocity joint boot: severely deteriorated
- Exhaust system has a major leak or is insecure
- A main load-bearing structural member: fractured or deformed such that structural rigidity is significantly reduced
- A passenger seat: insecure
Equipment
▲ 23.1% better
1.0 faults / 100 tests
Year avg: 1.3 / 100 tests
- Seat belt buckle missing, damaged or not functioning as intended
- 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
- A seat belt:
Other
▼ 47.6% worse
3.1 faults / 100 tests
Year avg: 2.1 / 100 tests
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Any part of the noise suppression system: insecure
- 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
- 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 tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 928
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 780
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 231
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 188
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 129
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 104
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 72
Wiper blade: defective
MINOR
Occurrences: 63
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 47
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 47
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 47
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 44
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 44
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 44
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 29
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 26
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 22
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 18
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 16
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 11