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Mercedes-benz VIANO - 2006

312.3 faults per 100 tests
Year average for all cars of 2006 is 371.9 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz VIANO, model year 2006. Sample size: 409 cars, 945 tests and 2,951 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 409 cars

The 2006 Mercedes-Benz Viano has an overall defect rate of 312 per 100 vehicles, which is 15% lower than the average for cars of the same year. Notably, this model excels in the categories of Wheels, Suspensions & Axles, with a defect rate significantly lower than average, and also performs better in general mechanical issues. Interestingly, as the mileage increases, defect rates for the Viano tend to rise more gradually compared to the average, with the highest defects noted in vehicles over 124,000 miles. Overall, the Viano shows a strong reliability profile relative to its peers.

Cars by mileage segment

Total: 409 cars

Categories

Brakes
▼ 5.8% worse
163.0 faults / 100 tests
Year avg: 154.1 / 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
▲ 0.5% better
20.1 faults / 100 tests
Year avg: 20.2 / 100 tests
Visibility
▲ 13.7% better
23.9 faults / 100 tests
Year avg: 27.7 / 100 tests
Lights & Electrics
▲ 3.4% better
107.3 faults / 100 tests
Year avg: 111.1 / 100 tests
  • Headlamp reflector or lens: slightly defective
Wheels & Suspension
▲ 35.1% better
204.0 faults / 100 tests
Year avg: 314.5 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A suspension pin, bush, joint or bearing: excessively worn
  • The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▼ 12.4% worse
66.9 faults / 100 tests
Year avg: 59.5 / 100 tests
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
Equipment
▲ 11.9% better
10.4 faults / 100 tests
Year avg: 11.8 / 100 tests
Other
▲ 35.1% better
29.0 faults / 100 tests
Year avg: 44.7 / 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
0 513 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: 278
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 274
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 157
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 137
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
ADVISORY
Occurrences: 130
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 98
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 76
Headlamp reflector or lens: slightly defective
MINOR
Occurrences: 71
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 70
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 70

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 40
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 29
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 28
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 27
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 27
Beam image obviously incorrect
FAIL
Occurrences: 26
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 25
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
FAIL
Occurrences: 24
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 23
A steering ball joint: with excessive wear or free play
FAIL
Occurrences: 22