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Mercedes-benz SLK - 2004

254.4 faults per 100 tests
Year average for all cars of 2004 is 384.6 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz SLK, model year 2004. Sample size: 3,437 cars, 8,023 tests and 20,409 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 3,437 cars

The 2004 Mercedes-Benz SLK has a lower overall defect rate of 254 per 100 vehicles, which is 33% better than the average for cars of the same year, at 382 per 100 vehicles. It shows a notable increase in defects as mileage increases, particularly with vehicles over 124,000 miles, but still performs better than average in this range. The SLK excels in categories such as visibility and body structure, showing significant improvements over the average defect rates in these areas. However, tyre wear is not highlighted as a major concern for this model compared to others, suggesting a generally strong performance in maintenance and care.

Cars by mileage segment

Total: 3,437 cars

More model years for Mercedes-benz SLK

1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

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
▲ 18.2% better
134.3 faults / 100 tests
Year avg: 164.2 / 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
▲ 18.9% better
20.2 faults / 100 tests
Year avg: 24.9 / 100 tests
Visibility
▲ 50.5% better
14.5 faults / 100 tests
Year avg: 29.3 / 100 tests
Lights & Electrics
▲ 45.7% better
59.7 faults / 100 tests
Year avg: 109.9 / 100 tests
Wheels & Suspension
▲ 28.5% better
223.6 faults / 100 tests
Year avg: 312.9 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A suspension pin, bush, joint or bearing: excessively worn
  • 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
Body/Structure
▲ 63.4% better
23.3 faults / 100 tests
Year avg: 63.6 / 100 tests
  • Exhaust system has a major leak or is insecure
Equipment
▲ 62.3% better
5.2 faults / 100 tests
Year avg: 13.8 / 100 tests
Other
▲ 44.8% better
27.9 faults / 100 tests
Year avg: 50.5 / 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
0 533 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: 1,967
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 1,758
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 1,288
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,209
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 893
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 865
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 716
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 609
A wheel bearing: with excessive play
ADVISORY
Occurrences: 573
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 564

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 508
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 406
Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 267
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 163
A suspension component: excessively damaged or corroded
FAIL
Occurrences: 161
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 146
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 144
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 137
Beam image obviously incorrect
FAIL
Occurrences: 134
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 112