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Mercedes-benz VIANO - 2004

343.9 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 VIANO, model year 2004. Sample size: 271 cars, 572 tests and 1,967 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 271 cars

The 2004 Mercedes-Benz Viano has an overall defect rate of 344 per 100 vehicles, which is 10% lower than the average for its year at 382 per 100. Notably, the Viano performs significantly better in the categories of wheels, suspensions, and axles, with defects at 237 per 100 compared to the average of 309. It also excels in miscellaneous defects, showing only 32 defects per 100 versus the average of 51. However, it has a higher rate of equipment-related issues, at 18 compared to the average of 13 per 100. Mileage trends indicate that as the distance increases, the defect rate for the Viano also rises, particularly after 124,000 miles.

Cars by mileage segment

Total: 271 cars

More model years for Mercedes-benz VIANO

2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

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
▲ 8.0% better
151.0 faults / 100 tests
Year avg: 164.2 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
Steering
▲ 0.4% better
24.8 faults / 100 tests
Year avg: 24.9 / 100 tests
Visibility
▼ 2.7% worse
30.1 faults / 100 tests
Year avg: 29.3 / 100 tests
Lights & Electrics
▼ 14.6% worse
125.9 faults / 100 tests
Year avg: 109.9 / 100 tests
Wheels & Suspension
▲ 24.2% better
237.1 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
  • The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
  • The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
Body/Structure
▼ 7.7% worse
68.5 faults / 100 tests
Year avg: 63.6 / 100 tests
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
Equipment
▼ 31.9% worse
18.2 faults / 100 tests
Year avg: 13.8 / 100 tests
Other
▲ 36.2% better
32.2 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: 154
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 110
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 103
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 87
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 81
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 74
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 73
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
ADVISORY
Occurrences: 69
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 61
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 58

Serious faults (Top 10)

The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 61
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
FAIL
Occurrences: 29
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 24
Beam image obviously incorrect
FAIL
Occurrences: 24
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 23
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 19
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 19
Body, cab or chassis: excessively corroded at mounting points
FAIL
Occurrences: 17
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 15
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 9