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Mercedes-benz GL - 2014

121.9 faults per 100 tests
Year average for all cars of 2014 is 198.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz GL, model year 2014. Sample size: 657 cars, 1,502 tests and 1,831 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 657 cars

The 2014 Mercedes-Benz GL shows a significantly lower overall defect rate of 122 defects per 100 vehicles compared to the yearly average of 194 defects per 100, marking a 37% improvement. However, as mileage increases, the defect rate rises notably, especially in higher mileage brackets. Notably, this model excels in categories such as Brakes and Steering, where it performs considerably better than the average, while it experiences more issues in the Body/Structure category and other miscellaneous defects. Overall, the Mercedes-Benz GL stands out positively in critical systems but reveals some weaknesses in structural integrity as it ages.

Cars by mileage segment

Total: 657 cars

Categories

Brakes
▲ 35.7% better
59.7 faults / 100 tests
Year avg: 92.8 / 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
▲ 96.6% better
0.4 faults / 100 tests
Year avg: 11.9 / 100 tests
Visibility
▲ 28.5% better
12.3 faults / 100 tests
Year avg: 17.2 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 66.6% better
13.2 faults / 100 tests
Year avg: 39.5 / 100 tests
Wheels & Suspension
▲ 43.7% better
112.0 faults / 100 tests
Year avg: 198.8 / 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 tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▼ 41.0% worse
22.0 faults / 100 tests
Year avg: 15.6 / 100 tests
  • A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▲ 13.3% better
3.9 faults / 100 tests
Year avg: 4.5 / 100 tests
Other
▼ 30.6% worse
20.5 faults / 100 tests
Year avg: 15.7 / 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
0 359 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: 503
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 154
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 150
A transmission shaft constant velocity joint boot: severely deteriorated
MINOR
Occurrences: 129
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 110
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 85
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 64
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 56
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 53
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 52

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 37
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 26
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 22
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 21
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 18
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 17
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 15
Stop lamp(s): all missing or inoperative
FAIL
Occurrences: 8
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 6
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 6