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Mercedes-benz C - 2020

80.5 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 C, model year 2020. Sample size: 8,737 cars, 20,072 tests and 16,154 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 8,737 cars

The 2020 Mercedes-Benz C model demonstrates a lower overall defect rate compared to the average car of the same year, with 80 defects per 100 vehicles against the average of 90. Despite a higher incidence of defects in the body and structure category, where it exceeds the average by 56%, the model excels in critical areas such as brakes, steering, and lights, showing significantly fewer issues than average. Mileage-related trends indicate that defect rates increase with higher mileage, especially notable in the over 124,000 miles segment. Overall, this model stands out positively in several key categories while facing challenges in body integrity.

Cars by mileage segment

Total: 8,737 cars

More model years for Mercedes-benz C

1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

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
▲ 35.4% better
32.8 faults / 100 tests
Year avg: 50.8 / 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
▲ 86.7% better
0.2 faults / 100 tests
Year avg: 1.5 / 100 tests
Visibility
▲ 37.6% better
8.8 faults / 100 tests
Year avg: 14.1 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 67.0% better
3.7 faults / 100 tests
Year avg: 11.2 / 100 tests
Wheels & Suspension
▼ 12.7% worse
109.9 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
  • 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 cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▼ 50.0% worse
3.6 faults / 100 tests
Year avg: 2.4 / 100 tests
Equipment
▲ 40.0% better
0.9 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 73.0% better
1.0 faults / 100 tests
Year avg: 3.7 / 100 tests

Fault rate by mileage segment

Model    Year average
0 333 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: 5,633
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 2,006
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 1,668
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 749
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 609
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 590
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 580
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 534
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 424
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 358

Serious faults (Top 10)

Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 609
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 590
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 348
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 109
Any fracture or welding defect on a wheel
FAIL
Occurrences: 107
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 97
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 93
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 62
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 60
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 56