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Mercedes-benz S-CLASS - 2004

258.5 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 S-CLASS, model year 2004. Sample size: 702 cars, 1,331 tests and 3,441 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 702 cars

The 2004 Mercedes-Benz S-Class has an overall defect rate of 259 per 100 vehicles, which is significantly lower than the average of 382 per 100 for cars of the same year, representing a 32% reduction in defects. Notably, it performs much better than average in categories such as steering, visibility, and body structure, with defect rates well below those of comparable models. While tyre wear is a common issue for many vehicles, the S-Class stands out for its superior performance in key areas rather than tyre-related problems. Mileage-related trends indicate that defect rates rise with higher mileage, particularly in the over 124,000 miles category, but the S-Class still maintains a relatively low defect rate compared to its peers.

Cars by mileage segment

Total: 702 cars

More model years for Mercedes-benz S-CLASS

1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

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
▲ 1.3% better
162.0 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
  • Brake lining or pad: worn below 1.5mm
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
Steering
▲ 43.8% better
14.0 faults / 100 tests
Year avg: 24.9 / 100 tests
Visibility
▲ 35.5% better
18.9 faults / 100 tests
Year avg: 29.3 / 100 tests
Lights & Electrics
▲ 40.8% better
65.1 faults / 100 tests
Year avg: 109.9 / 100 tests
Wheels & Suspension
▲ 35.0% better
203.5 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 pin, bush, joint or bearing: excessively worn
  • A wheel bearing: with excessive play
Body/Structure
▲ 74.2% better
16.4 faults / 100 tests
Year avg: 63.6 / 100 tests
Equipment
▲ 29.0% better
9.8 faults / 100 tests
Year avg: 13.8 / 100 tests
Other
▲ 45.5% better
27.5 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)

Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 385
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 348
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 290
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 225
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 160
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 143
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 128
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 96
A wheel bearing: with excessive play
ADVISORY
Occurrences: 85
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 78

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 96
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 34
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 29
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 28
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 23
Beam image obviously incorrect
FAIL
Occurrences: 23
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 20
A steering ball joint: with excessive wear or free play
FAIL
Occurrences: 18
Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
FAIL
Occurrences: 17
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 17