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Mercedes-benz SLC - 2020

58.1 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 SLC, model year 2020. Sample size: 683 cars, 1,591 tests and 924 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 683 cars

The 2020 Mercedes-Benz SLC has a significantly lower overall defect rate compared to the average car of the same year, with 58 defects per 100 vehicles against the yearly average of 90. Notably, the SLC excels in several categories, particularly brakes, where it has just 9% of the average defect rate, and steering, with less than 1% of average failures. Additionally, it shows strong performance in visibility, lights and electrics, and body/structure defects, all well below the average. While there are common issues with tyre wear, they are not the model's standout concern. Overall, the SLC demonstrates high reliability for its year, especially in critical safety categories.

Cars by mileage segment

Total: 683 cars

More model years for Mercedes-benz SLC

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
▲ 83.3% better
8.5 faults / 100 tests
Year avg: 50.8 / 100 tests
  • Brake disc or drum: significantly and obviously worn
Steering
▲ 93.3% better
0.1 faults / 100 tests
Year avg: 1.5 / 100 tests
Visibility
▲ 75.2% better
3.5 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
▲ 64.3% better
4.0 faults / 100 tests
Year avg: 11.2 / 100 tests
  • The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 0.0% better
97.5 faults / 100 tests
Year avg: 97.5 / 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 tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A wheel bearing: with excessive play
Body/Structure
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 2.4 / 100 tests
Equipment
▲ 46.7% better
0.8 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 56.8% better
1.6 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)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 301
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 245
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 62
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 42
A wheel bearing: with excessive play
ADVISORY
Occurrences: 29
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 25
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 23
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 22
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 22
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 21

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 42
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 25
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 9
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 6
Warning device shows system malfunction
FAIL
Occurrences: 4
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 4
Any fracture or welding defect on a wheel
FAIL
Occurrences: 4
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 3
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 3
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 3