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Mercedes-benz SLC - 2021

60.9 faults per 100 tests
Year average for all cars of 2021 is 80.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz SLC, model year 2021. Sample size: 213 cars, 552 tests and 336 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 213 cars

The 2021 Mercedes-Benz SLC has a defect rate of 61 per 100 vehicles, significantly lower than the yearly average of 79 per 100, marking a 22.5% improvement. Notably, in the lower mileage categories, particularly those with 0–31,000 miles, the SLC shows a higher defect rate than average, but this decreases as mileage increases, with the average rate for 124,000+ miles being 269 compared to the SLC's data. The model excels in key areas such as brakes, steering, and visibility, showing substantial reductions in defect rates compared to the average. Overall, the SLC demonstrates a strong performance in several critical categories while facing challenges with minor defects at lower mileage.

Cars by mileage segment

Total: 213 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
▲ 88.3% better
4.7 faults / 100 tests
Year avg: 40.0 / 100 tests
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 0.7 / 100 tests
Visibility
▲ 44.8% better
8.0 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Wiper blade: defective
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 22.3% better
8.7 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
▼ 11.7% worse
97.5 faults / 100 tests
Year avg: 87.3 / 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 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
  • A wheel bearing: with excessive play
Body/Structure
▲ 33.3% better
1.4 faults / 100 tests
Year avg: 2.1 / 100 tests
Equipment
▲ 53.3% better
0.7 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 74.1% better
0.7 faults / 100 tests
Year avg: 2.7 / 100 tests

Fault rate by mileage segment

Model    Year average
0 268 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: 105
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 101
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 19
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 16
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 12
Wiper blade: defective
MINOR
Occurrences: 11
A wheel bearing: with excessive play
ADVISORY
Occurrences: 10
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 8
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 7
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 7

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 16
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 7
1.1.21 (f)
FAIL
Occurrences: 3
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 2
Headlamp reflector or lens: seriously defective or missing
FAIL
Occurrences: 2
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 2
A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
FAIL
Occurrences: 2
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 2
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 1
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 1