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Mercedes-benz A 180 AMG LINE - 2021

63.0 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 A 180 AMG LINE, model year 2021. Sample size: 1,765 cars, 3,448 tests and 2,173 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,765 cars

The 2021 Mercedes-Benz A 180 AMG Line has an overall defect rate of 63 per 100 vehicles, which is significantly lower than the yearly average of 79 per 100, marking a 20% improvement. This model shows particularly strong performance in categories such as brakes, steering, and body structure, with defect rates well below average—indicating a robust build and reliability in these areas. Interestingly, while tyre wear is common among vehicles, this model does not stand out with specific issues, and there are no notable weak categories. Mileage-related trends suggest that defect rates increase with higher mileage, though the A 180 AMG Line maintains a better performance across all mileage segments compared to the average vehicle.

Cars by mileage segment

Total: 1,765 cars

Categories

Brakes
▲ 44.5% better
22.2 faults / 100 tests
Year avg: 40.0 / 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
▲ 85.7% better
0.1 faults / 100 tests
Year avg: 0.7 / 100 tests
Visibility
▲ 21.4% better
11.4 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
▲ 62.5% better
4.2 faults / 100 tests
Year avg: 11.2 / 100 tests
Wheels & Suspension
▲ 0.7% better
86.7 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
▲ 71.4% better
0.6 faults / 100 tests
Year avg: 2.1 / 100 tests
Equipment
▲ 66.7% better
0.5 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 85.2% better
0.4 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: 718
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 431
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 164
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 92
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 79
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 73
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 66
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 64
Wiper blade: defective
MINOR
Occurrences: 53
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 43

Serious faults (Top 10)

A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 73
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 43
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 40
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 16
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 12
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 11
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 10
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 9
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 7
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 6