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Mercedes-benz S-CLASS - 2013

135.6 faults per 100 tests
Year average for all cars of 2013 is 221.9 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz S-CLASS, model year 2013. Sample size: 1,183 cars, 2,697 tests and 3,658 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,183 cars

The 2013 Mercedes-Benz S-Class demonstrates a significantly lower overall defect rate compared to the average car of the same year, with 136 defects per 100 vehicles compared to 219. This model performs particularly well in categories such as steering, where it has only 2 defects per 100 vehicles compared to the average of 13, as well as lights and electrics, where it records just 8 defects compared to 49 on average. Notably, defect rates tend to increase with mileage, especially in the highest mileage category, but overall, the S-Class stands out positively in several critical areas compared to its peers.

Cars by mileage segment

Total: 1,183 cars

Categories

Brakes
▼ 4.6% worse
102.9 faults / 100 tests
Year avg: 98.4 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: significantly and obviously worn
Steering
▲ 82.9% better
2.2 faults / 100 tests
Year avg: 12.9 / 100 tests
Visibility
▲ 22.8% better
13.9 faults / 100 tests
Year avg: 18.0 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 84.0% better
8.0 faults / 100 tests
Year avg: 50.1 / 100 tests
Wheels & Suspension
▲ 44.6% better
121.7 faults / 100 tests
Year avg: 219.6 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A suspension pin, bush, joint or bearing: excessively worn
  • A wheel bearing: with excessive play
  • A suspension pin, bush, joint or bearing: excessively worn
Body/Structure
▲ 79.5% better
4.1 faults / 100 tests
Year avg: 20.0 / 100 tests
Equipment
▲ 73.1% better
1.4 faults / 100 tests
Year avg: 5.2 / 100 tests
Other
▲ 12.8% better
17.1 faults / 100 tests
Year avg: 19.6 / 100 tests
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users

Fault rate by mileage segment

Model    Year average
0 379 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: 683
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 476
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 293
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 250
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 171
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 165
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 140
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 115
A wheel bearing: with excessive play
ADVISORY
Occurrences: 104
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 104

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 104
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 59
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 48
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 38
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 37
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 36
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 31
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 24
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 20
Parking brake efficiency: less than 50% of the required value
FAIL
Occurrences: 18