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Mercedes-benz GLS - 2016

81.8 faults per 100 tests
Year average for all cars of 2016 is 154.9 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz GLS, model year 2016. Sample size: 504 cars, 1,170 tests and 957 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 504 cars

The 2016 Mercedes-Benz GLS shows a significantly lower overall defect rate, with 82 defects per 100 vehicles compared to the yearly average of 151 defects, marking a 46% improvement. While tyre wear is not highlighted, this model excels particularly in categories such as brakes and steering, exhibiting a 41% and 100% reduction in defect rates respectively, compared to the average. Additionally, it demonstrates better performance in visibility, lights and electrics, and various other categories. Mileage trends indicate increasing defect rates as mileage increases, yet the GLS remains consistently reliable across all mileage segments.

Cars by mileage segment

Total: 504 cars

Categories

Brakes
▲ 41.4% better
45.8 faults / 100 tests
Year avg: 78.2 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: significantly and obviously worn
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 8.1 / 100 tests
Visibility
▲ 39.3% better
9.1 faults / 100 tests
Year avg: 15.0 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 76.4% better
6.0 faults / 100 tests
Year avg: 25.4 / 100 tests
Wheels & Suspension
▲ 44.5% better
88.5 faults / 100 tests
Year avg: 159.4 / 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 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
Body/Structure
▲ 41.8% better
5.3 faults / 100 tests
Year avg: 9.1 / 100 tests
Equipment
▲ 42.4% better
1.9 faults / 100 tests
Year avg: 3.3 / 100 tests
Other
▲ 39.8% better
6.8 faults / 100 tests
Year avg: 11.3 / 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
0 329 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: 315
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 87
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 84
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 82
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 48
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 42
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 42
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 29
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 29
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 25

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 42
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 29
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 25
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 6
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 6
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 5
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 4
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 4
A gas, air or fluid suspension system inoperative
FAIL
Occurrences: 4
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 4