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Mercedes-benz SLK - 2009

209.6 faults per 100 tests
Year average for all cars of 2009 is 311.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz SLK, model year 2009. Sample size: 2,834 cars, 7,007 tests and 14,686 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 2,834 cars

The 2009 Mercedes-Benz SLK shows a significantly lower overall defect rate compared to the average car of the same year, with 210 defects per 100 vehicles, which is 32% better than the average of 310 defects. This model performs particularly well in categories such as steering, visibility, and body structure, where it reports notably fewer issues than the average. Mileage trends indicate that defect rates increase with higher mileage, but the SLK maintains a lower defect incidence across all mileage categories compared to the yearly averages. Overall, the SLK stands out for its reliability, especially regarding steering and visibility issues, which are less frequent than in comparable vehicles.

Cars by mileage segment

Total: 2,834 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
▼ 0.4% worse
118.0 faults / 100 tests
Year avg: 117.5 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
Steering
▲ 77.9% better
3.6 faults / 100 tests
Year avg: 16.3 / 100 tests
Visibility
▲ 38.9% better
14.3 faults / 100 tests
Year avg: 23.4 / 100 tests
Lights & Electrics
▲ 51.1% better
39.6 faults / 100 tests
Year avg: 80.9 / 100 tests
Wheels & Suspension
▲ 28.0% better
215.8 faults / 100 tests
Year avg: 299.8 / 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 suspension pin, bush, joint or bearing: excessively worn
Body/Structure
▲ 63.4% better
15.2 faults / 100 tests
Year avg: 41.5 / 100 tests
  • Exhaust system has a major leak or is insecure
Equipment
▲ 65.1% better
2.9 faults / 100 tests
Year avg: 8.3 / 100 tests
Other
▲ 71.5% better
9.8 faults / 100 tests
Year avg: 34.4 / 100 tests

Fault rate by mileage segment

Model    Year average
0 454 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: 1,645
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 1,563
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 1,248
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,153
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 686
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 544
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 421
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 418
A wheel bearing: with excessive play
ADVISORY
Occurrences: 398
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 398

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 421
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 418
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 194
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 184
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 127
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 113
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 108
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 94
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 83
Lamp emitted colour, position or intensity not in accordance with the requirements
FAIL
Occurrences: 82