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Mercedes-benz G - 2021

46.1 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 G, model year 2021. Sample size: 529 cars, 1,521 tests and 701 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 529 cars

The 2021 Mercedes-Benz G has an overall defect rate of 46 per 100 vehicles, significantly lower than the average rate of 79 per 100, indicating a 41% improvement. Notably, this model excels in several key areas, particularly in brakes, where it has a defect rate of 16%, compared to the average of 38%. It also shows remarkable performance in steering, with no defects recorded, and in visibility and lights & electrics, which are considerably lower than the yearly averages. Mileage trends suggest that while the defect rate increases with mileage, the model consistently performs better than the average vehicle across all mileage categories.

Cars by mileage segment

Total: 529 cars

More model years for Mercedes-benz G

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
▲ 59.5% better
16.2 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
▲ 75.2% better
3.6 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 89.3% better
1.2 faults / 100 tests
Year avg: 11.2 / 100 tests
Wheels & Suspension
▲ 21.9% better
68.2 faults / 100 tests
Year avg: 87.3 / 100 tests
  • 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
  • Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 66.7% better
0.7 faults / 100 tests
Year avg: 2.1 / 100 tests
Equipment
▲ 80.0% better
0.3 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 22.2% better
2.1 faults / 100 tests
Year avg: 2.7 / 100 tests
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users

Fault rate by mileage segment

Model    Year average
0 274 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: 364
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 100
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 55
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 22
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 19
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 17
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 14
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 13
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 13
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 8

Serious faults (Top 10)

A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 22
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 17
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 13
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 6
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 6
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 3
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 3
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 3
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 2
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 2