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Mercedes-benz GLB 200 AMG LINE - 2021

71.7 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 GLB 200 AMG LINE, model year 2021. Sample size: 2,933 cars, 6,259 tests and 4,489 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 2,933 cars

The 2021 Mercedes-Benz GLB 200 AMG Line has an overall defect rate of 72 defects per 100 vehicles, which is 9% lower than the average for cars of the same year. While tyre wear is a common issue across vehicles, this model notably excels in categories such as steering, visibility, and lights & electrics, showing significantly lower defect rates than the average. However, it struggles with brake issues, having a higher defect rate of 46% compared to the average of 38%. The data also indicates that as the mileage increases, the defect rate for this model becomes less favourable, especially in the upper mileage categories.

Cars by mileage segment

Total: 2,933 cars

Categories

Brakes
▼ 15.8% worse
46.3 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
▲ 71.4% better
0.2 faults / 100 tests
Year avg: 0.7 / 100 tests
Visibility
▲ 29.0% better
10.3 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
▲ 78.6% better
2.4 faults / 100 tests
Year avg: 11.2 / 100 tests
Wheels & Suspension
▲ 8.5% better
79.9 faults / 100 tests
Year avg: 87.3 / 100 tests
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • 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
  • 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
▼ 126.7% worse
3.4 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 77.8% better
0.6 faults / 100 tests
Year avg: 2.7 / 100 tests

Fault rate by mileage segment

Model    Year average
0 307 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)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 980
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 908
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 735
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 295
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 236
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 229
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 148
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 139
Wiper blade: defective
MINOR
Occurrences: 91
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 72

Serious faults (Top 10)

A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 148
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 72
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 62
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 43
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 43
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 26
Audible warning:
FAIL
Occurrences: 13
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 13
Seat belt buckle missing, damaged or not functioning as intended
FAIL
Occurrences: 10
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 9