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Mercedes-benz SL - 2017

53.7 faults per 100 tests
Year average for all cars of 2017 is 137.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz SL, model year 2017. Sample size: 852 cars, 2,267 tests and 1,217 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 852 cars

The 2017 Mercedes-Benz SL shows a significantly lower overall defect rate of 54 per 100 vehicles, which is 60% better than the average for cars of the same year. While the defect rates increase with mileage, the model performs particularly well in the categories of brakes, steering, visibility, and lights and electrics, all of which show a marked improvement compared to average figures. Notably, the SL has virtually no issues reported in steering and impressively low defect rates in both brakes and visibility. However, it does have some higher figures in wheels, suspensions, and axles, suggesting this area may require more attention.

Cars by mileage segment

Total: 852 cars

Categories

Brakes
▲ 83.4% better
12.0 faults / 100 tests
Year avg: 72.5 / 100 tests
  • Brake lining or pad: worn below 1.5mm
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 5.6 / 100 tests
Visibility
▲ 76.6% better
3.4 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 82.4% better
3.6 faults / 100 tests
Year avg: 20.4 / 100 tests
Wheels & Suspension
▲ 41.9% better
83.1 faults / 100 tests
Year avg: 143.1 / 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
  • 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
Body/Structure
▲ 91.4% better
0.6 faults / 100 tests
Year avg: 7.0 / 100 tests
Equipment
▲ 37.0% better
1.7 faults / 100 tests
Year avg: 2.7 / 100 tests
Other
▲ 67.8% better
2.9 faults / 100 tests
Year avg: 9.0 / 100 tests

Fault rate by mileage segment

Model    Year average
0 318 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: 355
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 297
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 87
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 64
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 61
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 52
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 30
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 30
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 28
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 21

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 52
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 30
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 21
Emissions levels exceed default limits
FAIL
Occurrences: 10
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 8
Emissions levels exceed the manufacturer’s specified limits
FAIL
Occurrences: 6
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 5
Beam image obviously incorrect
FAIL
Occurrences: 4
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 4
Any fracture or welding defect on a wheel
FAIL
Occurrences: 4