Renault MASTER - 2018
199.0 faults per 100 tests
Year average for all cars of 2018 is 123.2 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Renault MASTER, model year 2018.
Sample size: 4,764 cars, 10,748 tests and 21,387 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: 4,764 cars
The 2018 Renault Master has a significantly higher overall defect rate compared to the average car of its year, with 199 defects per 100 vehicles, which is 66% above the average of 120. Notably, as mileage increases, the defect rate for this model tends to rise more steeply than the average, particularly in the 124,000+ miles category, where the defect rate reaches 362. The Renault Master shows particularly high rates of defects in areas such as brakes, visibility, lights and electrics, body/structure, and equipment, where it consistently outperforms the average car. In contrast, while tyre wear is a common issue across vehicles, it is not highlighted as a standout defect for this model.
Cars by mileage segment
Total: 4,764 cars
Categories
Brakes
▼ 50.6% worse
103.6 faults / 100 tests
Year avg: 68.8 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake pipe damaged or excessively corroded
- Significant brake effort recorded with no brake applied indicating a binding brake
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Parking brake efficiency: below minimum requirement
Steering
▲ 20.0% better
4.0 faults / 100 tests
Year avg: 5.0 / 100 tests
- Power steering fluid leaking or system malfunctioning
- A steering ball joint: with excessive wear or free play
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- 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.
Visibility
▼ 173.4% worse
38.0 faults / 100 tests
Year avg: 13.9 / 100 tests
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Obligatory mirror or device: slightly damaged or loose
- Wiper blade: defective
Lights & Electrics
▼ 461.4% worse
98.8 faults / 100 tests
Year avg: 17.6 / 100 tests
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- A lens defective: which has no effect on emitted light
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
Wheels & Suspension
▲ 15.1% better
107.6 faults / 100 tests
Year avg: 126.7 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A suspension pin, bush, joint or bearing: excessively worn
- A suspension pin, bush, joint or bearing: excessively worn
- A shock absorber damaged … or showing signs of severe leakage
Body/Structure
▼ 241.2% worse
17.4 faults / 100 tests
Year avg: 5.1 / 100 tests
- A transmission shaft constant velocity joint boot: severely deteriorated
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- A main load-bearing structural member: fractured or deformed such that structural rigidity is significantly reduced
Equipment
▼ 245.5% worse
7.6 faults / 100 tests
Year avg: 2.2 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt: or flexible stalk damaged
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt:
- ESC MIL indicates a system malfunction
Other
▼ 198.6% worse
20.9 faults / 100 tests
Year avg: 7.0 / 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
- Engine MIL inoperative or indicating a malfunction
- Engine MIL inoperative or indicating a malfunction
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: 1,963
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 1,262
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 1,001
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 945
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 938
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 886
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: 805
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 634
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 616
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 586
Serious faults (Top 10)
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 886
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 502
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 306
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 295
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 294
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 217
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 202
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 197
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 182
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 181