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Mercedes-benz X - 2018

106.2 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 Mercedes-benz X, model year 2018. Sample size: 1,795 cars, 4,292 tests and 4,560 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,795 cars

The 2018 Mercedes-Benz X has an overall defect rate of 106 per 100 vehicles, which is notably 12% lower than the average for cars of the same year. This model shows a slight increase in defect rates with mileage, particularly in the 124,000+ miles category, where it has the highest rate at 274 per 100. It stands out positively in steering and wheels, with defects significantly below the average, but it performs worse in categories such as lights and electrics, body structure, and equipment. Overall, while the Mercedes-Benz X has some strengths, it faces challenges in specific areas that may require attention.

Cars by mileage segment

Total: 1,795 cars

More model years for Mercedes-benz X

2017 2018 2019 2020

Other models from Mercedes-benz

Mercedes-benz 190 E Mercedes-benz 300 Mercedes-benz A Mercedes-benz A 180 AMG LINE Mercedes-benz A 180 SPORT Mercedes-benz A 200 Mercedes-benz A 250 AMG LINE Mercedes-benz A-CLASS Mercedes-benz B Mercedes-benz B-CLASS Mercedes-benz C Mercedes-benz CITAN Mercedes-benz CL Mercedes-benz CL 500 Mercedes-benz CLA Mercedes-benz CLC Mercedes-benz CLK Mercedes-benz CLS Mercedes-benz E Mercedes-benz E 220 AMG Mercedes-benz EQA 250 AMG LINE Mercedes-benz EQC 400 AMG LINE Mercedes-benz ESPRINTER Mercedes-benz EVITO Mercedes-benz G Mercedes-benz G-CLASS Mercedes-benz GL Mercedes-benz GLA Mercedes-benz GLA 180 AMG LINE Mercedes-benz GLA 200 AMG LINE Mercedes-benz GLA 250 AMG LINE Mercedes-benz GLA 250 EXCLUSIVE Mercedes-benz GLB 200 AMG LINE Mercedes-benz GLB 220 AMG LINE Mercedes-benz GLC Mercedes-benz GLC 300 AMG Mercedes-benz GLC 300 AMG LINE Mercedes-benz GLE Mercedes-benz GLS Mercedes-benz GT Mercedes-benz ML Mercedes-benz R-Class Mercedes-benz S-Class Mercedes-benz SL Mercedes-benz SLC Mercedes-benz SLK Mercedes-benz SPRINTER Mercedes-benz V Mercedes-benz VIANO Mercedes-benz VITO Mercedes-benz X

Categories

Brakes
▲ 14.0% better
59.2 faults / 100 tests
Year avg: 68.8 / 100 tests
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake disc or drum: significantly and obviously worn
Steering
▲ 54.0% better
2.3 faults / 100 tests
Year avg: 5.0 / 100 tests
Visibility
▼ 15.8% worse
16.1 faults / 100 tests
Year avg: 13.9 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▼ 16.5% worse
20.5 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
Wheels & Suspension
▲ 36.0% better
81.1 faults / 100 tests
Year avg: 126.7 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A suspension pin, bush, joint or bearing: excessively worn
  • A suspension joint dust cover: severely deteriorated
Body/Structure
▼ 94.1% worse
9.9 faults / 100 tests
Year avg: 5.1 / 100 tests
  • A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▼ 186.4% worse
6.3 faults / 100 tests
Year avg: 2.2 / 100 tests
Other
▼ 144.3% worse
17.1 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

Fault rate by mileage segment

Model    Year average
0 307 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 909
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 396
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 313
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 243
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 224
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 207
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: 184
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 161
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 128
A transmission shaft constant velocity joint boot: severely deteriorated
MINOR
Occurrences: 128

Serious faults (Top 10)

Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 95
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 85
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 71
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 71
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 56
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 53
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 36
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 30
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 27
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
FAIL
Occurrences: 26