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Mercedes-benz GLA - 2016

121.7 faults per 100 tests
Year average for all cars of 2016 is 154.9 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz GLA, model year 2016. Sample size: 11,929 cars, 27,217 tests and 33,111 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 11,929 cars

The 2016 Mercedes-Benz GLA has a lower overall defect rate of 122 per 100 vehicles, which is 19% better than the average car of the same year, recorded at 151 per 100. Notably, the GLA excels in steering, with only 1% of vehicles showing defects compared to the average of 8%. It also performs better in categories such as visibility, lights and electrics, and body structure. However, as mileage increases, the defect rate rises, with vehicles over 124,000 miles showing higher defect rates at 272 per 100. Overall, this model demonstrates considerable reliability and fewer issues in key areas compared to its peers.

Cars by mileage segment

Total: 11,929 cars

Categories

Brakes
▲ 13.9% better
67.3 faults / 100 tests
Year avg: 78.2 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: significantly and obviously worn
Steering
▲ 87.7% better
1.0 faults / 100 tests
Year avg: 8.1 / 100 tests
Visibility
▲ 26.0% better
11.1 faults / 100 tests
Year avg: 15.0 / 100 tests
Lights & Electrics
▲ 52.4% better
12.1 faults / 100 tests
Year avg: 25.4 / 100 tests
  • Lamp emitted colour, position or intensity not in accordance with the requirements
Wheels & Suspension
▲ 13.4% better
138.1 faults / 100 tests
Year avg: 159.4 / 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 joint dust cover: severely deteriorated
  • A suspension pin, bush, joint or bearing: excessively worn
  • A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
Body/Structure
▲ 35.2% better
5.9 faults / 100 tests
Year avg: 9.1 / 100 tests
Equipment
▲ 33.3% better
2.2 faults / 100 tests
Year avg: 3.3 / 100 tests
Other
▲ 50.4% better
5.6 faults / 100 tests
Year avg: 11.3 / 100 tests

Fault rate by mileage segment

Model    Year average
0 329 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: 7,536
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 3,296
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 3,218
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 2,891
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 1,717
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 1,585
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 1,324
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 1,069
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 844
Lamp emitted colour, position or intensity not in accordance with the requirements
ADVISORY
Occurrences: 545

Serious faults (Top 10)

A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 1,069
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 844
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 519
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 485
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 399
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 296
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 289
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 249
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 229
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 207