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Mercedes-benz C - 2019

85.9 faults per 100 tests
Year average for all cars of 2019 is 108.6 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz C, model year 2019. Sample size: 28,362 cars, 66,445 tests and 57,105 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 28,362 cars

The 2019 Mercedes-Benz C model has an overall defect rate of 86 per 100 vehicles, which is significantly lower than the average of 106 per 100, marking a 19% improvement. This model particularly excels in categories such as brakes, steering, and lights and electrics, showing much lower defect rates compared to the average. Mileage trends indicate increasing defect rates as vehicles accumulate mileage, with the highest rate observed in cars over 124,000 miles. While tyre wear is a common issue across vehicles, it is not a standout defect for this model. Overall, the Mercedes-Benz C demonstrates a strong performance in reliability compared to its peers.

Cars by mileage segment

Total: 28,362 cars

Categories

Brakes
▲ 38.0% better
38.7 faults / 100 tests
Year avg: 62.4 / 100 tests
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake disc or drum: significantly and obviously worn
Steering
▲ 92.9% better
0.2 faults / 100 tests
Year avg: 2.8 / 100 tests
Visibility
▲ 33.3% better
9.2 faults / 100 tests
Year avg: 13.8 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 72.5% better
4.1 faults / 100 tests
Year avg: 14.9 / 100 tests
Wheels & Suspension
▼ 1.9% worse
115.0 faults / 100 tests
Year avg: 112.9 / 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 suspension pin, bush, joint or bearing: excessively worn
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 25.7% better
2.6 faults / 100 tests
Year avg: 3.5 / 100 tests
Equipment
▲ 55.6% better
0.8 faults / 100 tests
Year avg: 1.8 / 100 tests
Other
▲ 74.5% better
1.3 faults / 100 tests
Year avg: 5.1 / 100 tests

Fault rate by mileage segment

Model    Year average
0 289 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: 20,413
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 6,238
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 5,564
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 3,178
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 2,319
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 2,129
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 2,067
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 2,022
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 1,561
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 1,335

Serious faults (Top 10)

Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 2,067
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 2,022
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 1,118
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 514
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 507
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 457
Any fracture or welding defect on a wheel
FAIL
Occurrences: 356
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 279
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 255
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 152