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Mercedes-benz SLK - 2003

286.7 faults per 100 tests
Year average for all cars of 2003 is 380.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz SLK, model year 2003. Sample size: 1,906 cars, 4,305 tests and 12,341 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,906 cars

The 2003 Mercedes-Benz SLK shows a lower overall defect rate compared to the average car of the same year, with 287 defects per 100 vehicles versus 378 defects per 100. This represents a 24% improvement over the yearly average. The model performs particularly well in visibility, wheels and suspensions, body structure, and equipment, with notable reductions in defect rates in these categories. While tyre wear is a common issue, the SLK stands out positively with significantly fewer defects in several other areas, especially for vehicles with higher mileage.

Cars by mileage segment

Total: 1,906 cars

Categories

Brakes
▲ 12.8% better
147.7 faults / 100 tests
Year avg: 169.3 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
Steering
▲ 12.7% better
22.0 faults / 100 tests
Year avg: 25.2 / 100 tests
Visibility
▲ 28.9% better
21.2 faults / 100 tests
Year avg: 29.8 / 100 tests
Lights & Electrics
▲ 19.6% better
82.7 faults / 100 tests
Year avg: 102.8 / 100 tests
Wheels & Suspension
▲ 24.9% better
227.0 faults / 100 tests
Year avg: 302.1 / 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 component: excessively damaged or corroded
  • A wheel bearing: with excessive play
  • A spring: or spring component fractured or seriously weakened
Body/Structure
▲ 56.6% better
28.3 faults / 100 tests
Year avg: 65.2 / 100 tests
Equipment
▲ 42.6% better
7.8 faults / 100 tests
Year avg: 13.6 / 100 tests
Other
▲ 30.6% better
36.6 faults / 100 tests
Year avg: 52.7 / 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
0 538 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)

Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 1,136
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 1,051
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 746
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 653
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 586
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 497
A wheel bearing: with excessive play
ADVISORY
Occurrences: 490
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 447
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 433
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 374

Serious faults (Top 10)

A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 187
Stop lamp(s): all missing or inoperative
FAIL
Occurrences: 154
Beam image obviously incorrect
FAIL
Occurrences: 130
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 101
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 97
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 88
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 87
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 81
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 80
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 75