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Mercedes-benz X - 2017

127.7 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 Mercedes-benz X, model year 2017. Sample size: 219 cars, 527 tests and 673 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 219 cars

The 2017 Mercedes-Benz X has an overall defect rate of 128 per 100 vehicles, which is slightly better than the average of 134 defects per 100 vehicles for its year. While tyre wear is a common issue across many models, this vehicle stands out positively in the categories of steering and wheels, showing significantly lower defect rates compared to the average. However, it underperforms in areas such as body structure, equipment, and other defects, where it has notably higher rates than the average. Mileage trends indicate that defects tend to increase with distance driven, particularly over 124,000 miles, where this model shows a sharp rise in issues.

Cars by mileage segment

Total: 219 cars

Categories

Brakes
▲ 7.3% better
67.2 faults / 100 tests
Year avg: 72.5 / 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
▲ 85.7% better
0.8 faults / 100 tests
Year avg: 5.6 / 100 tests
Visibility
▼ 15.2% worse
16.7 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▼ 13.2% worse
23.1 faults / 100 tests
Year avg: 20.4 / 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
▲ 30.5% better
99.4 faults / 100 tests
Year avg: 143.1 / 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
▼ 127.1% worse
15.9 faults / 100 tests
Year avg: 7.0 / 100 tests
  • Exhaust system has a major leak or is insecure
Equipment
▼ 81.5% worse
4.9 faults / 100 tests
Year avg: 2.7 / 100 tests
Other
▼ 203.3% worse
27.3 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

Fault rate by mileage segment

Model    Year average
0 389 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: 156
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 62
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 60
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 56
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 34
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: 26
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 25
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 22
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 14
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 13

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 12
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 11
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 11
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 10
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 8
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 8
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 7
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 7
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 6
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 4