Skip to main content

Mercedes-benz CLS - 2020

79.6 faults per 100 tests
Year average for all cars of 2020 is 91.3 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz CLS, model year 2020. Sample size: 337 cars, 834 tests and 664 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 337 cars

The 2020 Mercedes-Benz CLS has an overall defect rate of 80 defects per 100 vehicles, which is 11% lower than the average for cars of the same year. This model shows particularly strong performance in the categories of brakes, steering, and visibility, with defect rates significantly below the average. Mileage trends indicate a consistent increase in defects as mileage rises, yet the CLS maintains a lower defect rate across all mileage segments compared to the average. Notably, the model exhibits no equipment-related defects, contrasting sharply with the average.

Cars by mileage segment

Total: 337 cars

Categories

Brakes
▲ 28.1% better
36.5 faults / 100 tests
Year avg: 50.8 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
Steering
▲ 66.7% better
0.5 faults / 100 tests
Year avg: 1.5 / 100 tests
Visibility
▲ 58.9% better
5.8 faults / 100 tests
Year avg: 14.1 / 100 tests
Lights & Electrics
▲ 72.3% better
3.1 faults / 100 tests
Year avg: 11.2 / 100 tests
Wheels & Suspension
▼ 15.4% worse
112.5 faults / 100 tests
Year avg: 97.5 / 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
  • Any fracture or welding defect on a wheel
  • A suspension pin, bush, joint or bearing: excessively worn
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 91.7% better
0.2 faults / 100 tests
Year avg: 2.4 / 100 tests
Equipment
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 81.1% better
0.7 faults / 100 tests
Year avg: 3.7 / 100 tests

Fault rate by mileage segment

Model    Year average
0 273 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: 129
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 73
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 66
Any fracture or welding defect on a wheel
FAIL
Occurrences: 63
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 58
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 55
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 45
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 43
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 18
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 18

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 66
Any fracture or welding defect on a wheel
FAIL
Occurrences: 63
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 18
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 10
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 10
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 3
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 3
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 3
Brake lining or pad missing or incorrectly mounted
FAIL
Occurrences: 2
A wheel: badly distorted or wear between wheel and hub at spigot mounting
FAIL
Occurrences: 2