Skip to main content

Mercedes-benz GLA 180 AMG LINE - 2020

66.5 faults per 100 tests
Year average for all cars of 2020 is 91.3 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz GLA 180 AMG LINE, model year 2020. Sample size: 1,771 cars, 4,014 tests and 2,669 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,771 cars

The 2020 Mercedes-Benz GLA 180 AMG Line demonstrates a significantly lower overall defect rate compared to the average car of the same year, with 66 defects per 100 vehicles, which is 26% better than the average of 90 defects. While tyres may show some wear, the model excels particularly in categories such as brakes, visibility, and lights & electrics, with defects in these areas being 25% to 67% lower than average. Interestingly, defect rates tend to rise with mileage, but the GLA maintains a relatively strong performance even in higher mileage brackets. Overall, this model stands out for its reliability and lower defect frequencies in critical areas.

Cars by mileage segment

Total: 1,771 cars

More model years for Mercedes-benz GLA 180 AMG LINE

2019 2020 2021 2022

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
▲ 27.6% better
36.8 faults / 100 tests
Year avg: 50.8 / 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
▼ 6.7% worse
1.6 faults / 100 tests
Year avg: 1.5 / 100 tests
Visibility
▲ 46.1% better
7.6 faults / 100 tests
Year avg: 14.1 / 100 tests
  • Wiper blade: defective
Lights & Electrics
▲ 68.8% better
3.5 faults / 100 tests
Year avg: 11.2 / 100 tests
  • The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 18.6% better
79.4 faults / 100 tests
Year avg: 97.5 / 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
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 58.3% better
1.0 faults / 100 tests
Year avg: 2.4 / 100 tests
Equipment
▲ 46.7% better
0.8 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 40.5% better
2.2 faults / 100 tests
Year avg: 3.7 / 100 tests

Fault rate by mileage segment

Model    Year average
0 273 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: 873
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 438
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 345
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 156
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 146
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 61
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 57
Wiper blade: defective
MINOR
Occurrences: 46
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 43
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 41

Serious faults (Top 10)

Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 57
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 43
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 39
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 29
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 20
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 19
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 16
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 15
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 12
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 11