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Mercedes-benz VIANO - 2012

244.1 faults per 100 tests
Year average for all cars of 2012 is 249.2 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz VIANO, model year 2012. Sample size: 631 cars, 1,516 tests and 3,701 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 631 cars

The 2012 Mercedes-Benz Viano shows an overall defect rate of 244 defects per 100 vehicles, which is slightly better than the average of 246 defects per 100 vehicles for the same year. Notably, it performs worse than average in categories such as Lights & Electrics and Body/Structure, with defect rates of 74% and 30% respectively, compared to averages of 60% and 25%. The Viano does, however, exhibit a lower rate of defects in Equipment and Other categories, which may indicate better reliability in these areas. Mileage trends show that as mileage increases, the defect rate for this model also rises, aligning closely with trends seen in the general population of vehicles.

Cars by mileage segment

Total: 631 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
▲ 0.4% better
103.4 faults / 100 tests
Year avg: 103.8 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
Steering
▲ 18.9% better
10.7 faults / 100 tests
Year avg: 13.2 / 100 tests
Visibility
▼ 18.2% worse
22.7 faults / 100 tests
Year avg: 19.2 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▼ 19.5% worse
74.0 faults / 100 tests
Year avg: 61.9 / 100 tests
  • Lamp emitted colour, position or intensity not in accordance with the requirements
Wheels & Suspension
▲ 16.0% better
205.4 faults / 100 tests
Year avg: 244.4 / 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 shock absorber bush excessively worn
Body/Structure
▼ 17.2% worse
30.7 faults / 100 tests
Year avg: 26.2 / 100 tests
  • Exhaust system has a major leak or is insecure
Equipment
▼ 46.8% worse
9.1 faults / 100 tests
Year avg: 6.2 / 100 tests
Other
▼ 36.0% worse
32.1 faults / 100 tests
Year avg: 23.6 / 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
0 402 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: 572
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 288
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 169
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 162
Lamp emitted colour, position or intensity not in accordance with the requirements
ADVISORY
Occurrences: 140
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 131
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 100
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 96
A shock absorber bush excessively worn
ADVISORY
Occurrences: 94
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 85

Serious faults (Top 10)

A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 66
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 61
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 49
Parking brake inoperative on one side, or in the case of testing on the road, the vehicle deviates excessively from a straight line
FAIL
Occurrences: 37
Parking brake efficiency: less than 50% of the required value
FAIL
Occurrences: 36
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 35
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 32
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 31
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 29
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 27