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Mercedes-benz G-CLASS - 2017

104.9 faults per 100 tests
Year average for all cars of 2017 is 137.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz G-CLASS, model year 2017. Sample size: 317 cars, 923 tests and 968 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 317 cars

The 2017 Mercedes-Benz G-Class exhibits a lower overall defect rate than the average car of the same year, with 105 defects per 100 vehicles compared to 134. The model performs significantly better in categories such as brakes, wheels, and body structure, showing reductions in defects of 37%, 34%, and 53% respectively. However, it struggles with steering issues, exhibiting a 359% higher defect rate compared to the average. Mileage trends indicate that the G-Class has increased defects in the 62,000 to 93,000-mile range, which is higher than average, but shows a decline in defects for higher mileage categories. Overall, while the G-Class excels in some areas, its steering issues highlight a specific area for concern.

Cars by mileage segment

Total: 317 cars

More model years for Mercedes-benz G-CLASS

2013 2014 2015 2016 2017 2018 2019

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
▲ 38.1% better
44.9 faults / 100 tests
Year avg: 72.5 / 100 tests
  • Brake disc or drum: significantly and obviously worn
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
Steering
▼ 321.4% worse
23.6 faults / 100 tests
Year avg: 5.6 / 100 tests
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • A steering ball joint: with excessive wear or free play
Visibility
▼ 12.4% worse
16.3 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
▲ 21.6% better
16.0 faults / 100 tests
Year avg: 20.4 / 100 tests
Wheels & Suspension
▲ 35.9% better
91.7 faults / 100 tests
Year avg: 143.1 / 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 spring: or spring component fractured or seriously weakened
Body/Structure
▲ 57.1% better
3.0 faults / 100 tests
Year avg: 7.0 / 100 tests
Equipment
▲ 74.1% better
0.7 faults / 100 tests
Year avg: 2.7 / 100 tests
Other
▼ 52.2% worse
13.7 faults / 100 tests
Year avg: 9.0 / 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
0 365 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: 131
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 122
Steering rack gaiter or ball joint dust cover: damaged or deteriorated
MINOR
Occurrences: 61
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 57
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 52
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 50
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 50
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 34
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 26
A steering ball joint: with excessive wear or free play
ADVISORY
Occurrences: 25

Serious faults (Top 10)

A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 34
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 21
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 19
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 8
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 8
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 8
A steering ball joint: with excessive wear or free play
FAIL
Occurrences: 7
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 7
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 6
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 5