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Mercedes-benz VIANO - 2008

292.1 faults per 100 tests
Year average for all cars of 2008 is 340.8 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz VIANO, model year 2008. Sample size: 547 cars, 1,261 tests and 3,684 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 547 cars

The 2008 Mercedes-Benz Viano has an overall defect rate of 292 per 100 vehicles, which is 13% lower than the yearly average of 337 defects. The model performs particularly well in the categories of Wheels, Suspensions & Axles and Body/Structure, with defect rates significantly lower than average. However, it shows a higher incidence of issues in the Equipment category and the 'Other' category compared to its peers. Defect rates tend to rise with mileage, especially in the higher mileage brackets, indicating that as the vehicle ages, it may require more maintenance. Overall, while the Viano excels in certain areas, it does have specific weaknesses that should be considered.

Cars by mileage segment

Total: 547 cars

Categories

Brakes
▼ 9.2% worse
145.3 faults / 100 tests
Year avg: 133.1 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
Steering
▲ 5.0% better
17.1 faults / 100 tests
Year avg: 18.0 / 100 tests
Visibility
▼ 12.6% worse
28.5 faults / 100 tests
Year avg: 25.3 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 5.4% better
87.2 faults / 100 tests
Year avg: 92.2 / 100 tests
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
Wheels & Suspension
▲ 34.3% better
203.8 faults / 100 tests
Year avg: 310.3 / 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
▲ 23.4% better
39.3 faults / 100 tests
Year avg: 51.3 / 100 tests
  • Exhaust system has a major leak or is insecure
Equipment
▼ 22.8% worse
12.4 faults / 100 tests
Year avg: 10.1 / 100 tests
Other
▼ 22.8% worse
50.6 faults / 100 tests
Year avg: 41.2 / 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
0 481 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: 361
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 276
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 244
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 210
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 145
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 89
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 81
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
MINOR
Occurrences: 77
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 75
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 73

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 59
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 44
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 41
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 34
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 33
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 33
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 28
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 27
Beam image obviously incorrect
FAIL
Occurrences: 26
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 25