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Mercedes-benz SL - 2019

40.1 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 SL, model year 2019. Sample size: 446 cars, 1,125 tests and 451 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 446 cars

The 2019 Mercedes-Benz SL exhibits a notably low overall defect rate, registering only 40 defects per 100 vehicles compared to the yearly average of 106, which is a significant improvement of 62%. This model performs exceptionally well in categories such as brakes and steering, with defect rates much lower than the average, including a perfect score for steering with no defects reported. Additionally, the SL shows fewer issues with visibility and lights and electrics, indicating strong reliability in these areas. However, it does show some wear related to its wheels and suspensions, with a defect rate of 64%, although this is still better than many competitors. Overall, the SL stands out as a reliable choice in its class.

Cars by mileage segment

Total: 446 cars

Categories

Brakes
▲ 87.5% better
7.8 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
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 2.8 / 100 tests
Visibility
▲ 62.3% better
5.2 faults / 100 tests
Year avg: 13.8 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Wiper blade: defective
Lights & Electrics
▲ 81.2% better
2.8 faults / 100 tests
Year avg: 14.9 / 100 tests
Wheels & Suspension
▲ 43.3% better
64.0 faults / 100 tests
Year avg: 112.9 / 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 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
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 3.5 / 100 tests
Equipment
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 1.8 / 100 tests
Other
▲ 92.2% better
0.4 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)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 157
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 107
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 26
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 22
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 21
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 16
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 14
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 12
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 12
Wiper blade: defective
MINOR
Occurrences: 9

Serious faults (Top 10)

A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 21
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 16
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 5
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 5
Any fracture or welding defect on a wheel
FAIL
Occurrences: 2
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 2
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 2
Windscreen or window damaged or seriously discoloured: and affecting the driver’s view of the road or of an obligatory external mirror
FAIL
Occurrences: 1
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 1
Beam image obviously incorrect
FAIL
Occurrences: 1