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Mercedes-benz GLC - 2015

111.9 faults per 100 tests
Year average for all cars of 2015 is 174.5 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz GLC, model year 2015. Sample size: 1,579 cars, 3,284 tests and 3,674 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,579 cars

The 2015 Mercedes-Benz GLC has a significantly lower overall defect rate compared to the average car of the same year, with 112 defects per 100 vehicles, which is 34% better than the average of 170. Common mileage-related trends reveal that defects increase as mileage rises, especially beyond 124,000 miles. Notably, the GLC excels in categories such as brakes, steering, and lights and electrics, where it shows considerably fewer defects than the average vehicle. Overall, this model stands out positively across various categories, reflecting its strong performance in maintaining reliability.

Cars by mileage segment

Total: 1,579 cars

Categories

Brakes
▲ 26.1% better
62.6 faults / 100 tests
Year avg: 84.7 / 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
▲ 96.0% better
0.4 faults / 100 tests
Year avg: 9.9 / 100 tests
Visibility
▲ 39.1% better
9.8 faults / 100 tests
Year avg: 16.1 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 84.5% better
4.8 faults / 100 tests
Year avg: 31.0 / 100 tests
Wheels & Suspension
▲ 24.6% better
134.5 faults / 100 tests
Year avg: 178.3 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A suspension pin, bush, joint or bearing: excessively worn
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A suspension pin, bush, joint or bearing: excessively worn
  • Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 50.4% better
5.8 faults / 100 tests
Year avg: 11.7 / 100 tests
Equipment
▲ 60.0% better
1.6 faults / 100 tests
Year avg: 4.0 / 100 tests
Other
▲ 68.9% better
4.1 faults / 100 tests
Year avg: 13.2 / 100 tests

Fault rate by mileage segment

Model    Year average
0 342 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: 1,109
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 373
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 365
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 289
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 241
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 199
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 141
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 91
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 82
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 68

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 141
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 82
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 68
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 39
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 36
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 32
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 29
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 26
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 26
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 21