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Mercedes-benz GLA - 2017

109.7 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 GLA, model year 2017. Sample size: 14,501 cars, 32,649 tests and 35,802 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 14,501 cars

The 2017 Mercedes-Benz GLA has an overall defect rate of 110 per 100 vehicles, which is 18% lower than the yearly average of 134 per 100. While the model shows increasing defects with mileage, it performs particularly well in categories such as steering, visibility, and lights & electrics, all of which have significantly lower defect rates compared to the average vehicle. However, it is notable that the GLA has a higher incidence of body and structure defects than the average, indicating a potential area of concern. Overall, this model stands out positively in several areas but has specific weaknesses that should be considered.

Cars by mileage segment

Total: 14,501 cars

More model years for Mercedes-benz GLA

2014 2015 2016 2017 2018 2019 2020

Other models from Mercedes-benz

Mercedes-benz 190 E Mercedes-benz 300 Mercedes-benz A Mercedes-benz A 180 AMG LINE Mercedes-benz A 180 SPORT Mercedes-benz A 200 Mercedes-benz A 250 AMG LINE Mercedes-benz A-CLASS Mercedes-benz B Mercedes-benz B-CLASS Mercedes-benz C Mercedes-benz CITAN Mercedes-benz CL Mercedes-benz CL 500 Mercedes-benz CLA Mercedes-benz CLC Mercedes-benz CLK Mercedes-benz CLS Mercedes-benz E Mercedes-benz E 220 AMG Mercedes-benz EQA 250 AMG LINE Mercedes-benz EQC 400 AMG LINE Mercedes-benz ESPRINTER Mercedes-benz EVITO Mercedes-benz G Mercedes-benz G-CLASS Mercedes-benz GL Mercedes-benz GLA Mercedes-benz GLA 180 AMG LINE Mercedes-benz GLA 200 AMG LINE Mercedes-benz GLA 250 AMG LINE Mercedes-benz GLA 250 EXCLUSIVE Mercedes-benz GLB 200 AMG LINE Mercedes-benz GLB 220 AMG LINE Mercedes-benz GLC Mercedes-benz GLC 300 AMG Mercedes-benz GLC 300 AMG LINE Mercedes-benz GLE Mercedes-benz GLS Mercedes-benz GT Mercedes-benz ML Mercedes-benz R-Class Mercedes-benz S-Class Mercedes-benz SL Mercedes-benz SLC Mercedes-benz SLK Mercedes-benz SPRINTER Mercedes-benz V Mercedes-benz VIANO Mercedes-benz VITO Mercedes-benz X

Categories

Brakes
▲ 13.2% better
62.9 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
▲ 89.3% better
0.6 faults / 100 tests
Year avg: 5.6 / 100 tests
Visibility
▲ 29.0% better
10.3 faults / 100 tests
Year avg: 14.5 / 100 tests
Lights & Electrics
▲ 46.1% better
11.0 faults / 100 tests
Year avg: 20.4 / 100 tests
Wheels & Suspension
▲ 16.8% better
119.1 faults / 100 tests
Year avg: 143.1 / 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
  • Tyre tread depth not in accordance with the requirements
Body/Structure
▼ 42.9% worse
10.0 faults / 100 tests
Year avg: 7.0 / 100 tests
  • A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
Equipment
▲ 63.0% better
1.0 faults / 100 tests
Year avg: 2.7 / 100 tests
Other
▲ 52.2% better
4.3 faults / 100 tests
Year avg: 9.0 / 100 tests

Fault rate by mileage segment

Model    Year average
0 318 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: 8,899
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 4,320
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 3,504
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 3,484
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 1,908
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 1,073
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 986
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 866
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 710
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 692

Serious faults (Top 10)

A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 986
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 710
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 692
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 494
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 472
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 458
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 384
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 329
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 249
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 194