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Mercedes-benz GLC - 2022

64.5 faults per 100 tests
Year average for all cars of 2022 is 71.1 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz GLC, model year 2022. Sample size: 2,502 cars, 3,303 tests and 2,131 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 2,502 cars

The 2022 Mercedes-Benz GLC has an overall defect rate of 65 per 100 vehicles, which is 8% lower than the average for cars of the same year. Notably, the GLC performs significantly better in categories such as brakes, steering, visibility, and lights and electrics, with defects in these areas being much lower than the average. Additionally, there is a striking performance in the mileage-related data, particularly for vehicles with 0–31,000 miles, where the GLC shows a higher defect rate compared to the average but improves with higher mileage. Overall, this model demonstrates strong reliability, particularly in critical safety-related components.

Cars by mileage segment

Total: 2,502 cars

Categories

Brakes
▲ 26.6% better
22.9 faults / 100 tests
Year avg: 31.2 / 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
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 0.4 / 100 tests
Visibility
▲ 24.8% better
9.4 faults / 100 tests
Year avg: 12.5 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 80.7% better
2.1 faults / 100 tests
Year avg: 10.9 / 100 tests
Wheels & Suspension
▼ 13.9% worse
93.4 faults / 100 tests
Year avg: 82.0 / 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 tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 93.8% better
0.1 faults / 100 tests
Year avg: 1.6 / 100 tests
Equipment
▲ 53.8% better
0.6 faults / 100 tests
Year avg: 1.3 / 100 tests
Other
▲ 76.2% better
0.5 faults / 100 tests
Year avg: 2.1 / 100 tests

Fault rate by mileage segment

Model    Year average
0 300 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: 993
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 214
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 205
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 109
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 67
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 66
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 65
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 64
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 64
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 47

Serious faults (Top 10)

A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 109
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 66
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 47
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 16
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 14
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 8
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 4
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 4
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 4
Brake performance unable to be tested
FAIL
Occurrences: 4