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Mercedes-benz GLA 180 AMG LINE - 2021

58.9 faults per 100 tests
Year average for all cars of 2021 is 80.0 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 2021. Sample size: 1,349 cars, 3,324 tests and 1,959 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,349 cars

The 2021 Mercedes-Benz GLA 180 AMG Line shows a lower overall defect rate than the yearly average, with 59 defects per 100 vehicles compared to 79 for similar models, marking a 25% improvement. When assessing mileage trends, the model exhibits an increase in defects with higher mileage, particularly notable in the 62,000 to 93,000 miles range. It stands out positively in categories such as brakes and steering, where it has significantly fewer issues than average. However, it performs worse in the equipment category, indicating a higher incidence of defects compared to its peers.

Cars by mileage segment

Total: 1,349 cars

Categories

Brakes
▲ 28.0% better
28.8 faults / 100 tests
Year avg: 40.0 / 100 tests
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: significantly and obviously worn
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 0.7 / 100 tests
Visibility
▲ 7.6% better
13.4 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Wiper blade: defective
Lights & Electrics
▲ 77.7% better
2.5 faults / 100 tests
Year avg: 11.2 / 100 tests
Wheels & Suspension
▲ 21.3% better
68.7 faults / 100 tests
Year avg: 87.3 / 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 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
Body/Structure
▲ 81.0% better
0.4 faults / 100 tests
Year avg: 2.1 / 100 tests
Equipment
▼ 100.0% worse
3.0 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 63.0% better
1.0 faults / 100 tests
Year avg: 2.7 / 100 tests

Fault rate by mileage segment

Model    Year average
0 268 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: 599
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 283
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 250
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 109
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 81
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 79
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 70
Wiper blade: defective
MINOR
Occurrences: 59
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 56
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 37

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: 37
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 32
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 26
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 26
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 17
Seat belt buckle missing, damaged or not functioning as intended
FAIL
Occurrences: 16
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 13
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 8
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 7