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Mercedes-benz GLA 250 AMG LINE - 2021

40.0 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 250 AMG LINE, model year 2021. Sample size: 113 cars, 235 tests and 94 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 113 cars

The 2021 Mercedes-Benz GLA 250 AMG Line has a significantly lower overall defect rate of 40 per 100 vehicles, which is 49% better than the average of 79 defects per 100 for cars of the same year. Notably, this model excels in several categories, particularly in brakes, where it has only 5% of defects compared to the average of 38%. Additionally, it shows no reported issues in steering, body structure, and equipment, marking it as a strong performer in these areas. However, as mileage increases, defect rates for this model begin to rise, especially in the 31,000 to 62,000 miles range, where it still remains competitive. Overall, the GLA 250 AMG Line demonstrates impressive reliability compared to its peers.

Cars by mileage segment

Total: 113 cars

Categories

Brakes
▲ 87.3% better
5.1 faults / 100 tests
Year avg: 40.0 / 100 tests
  • Brake lining or pad: worn below 1.5mm
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 0.7 / 100 tests
Visibility
▲ 82.1% better
2.6 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 69.6% better
3.4 faults / 100 tests
Year avg: 11.2 / 100 tests
  • The aim of a headlamp is not within limits laid down in the requirements
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
Wheels & Suspension
▲ 21.1% better
68.9 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
  • Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 2.1 / 100 tests
Equipment
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 100.0% better
0.0 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: 43
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 26
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 7
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 6
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 3
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 2
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
MINOR
Occurrences: 2
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 2
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
PRS
Occurrences: 1
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 1

Serious faults (Top 10)

A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 7
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 2
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 1