Mercedes-Benz Viano MOT Results

Registered in 2011
64.2% pass rate
from 598 tests in 2020
(19% worse than other 2011 cars)
Failure rates by item

Here you can drill down into the failure rates for each item on the test. We've also compared the rates to the average results for 2011 cars and highlighted areas where the Mercedes-Benz Viano is unusually good or bad.

  • 18% fail on Lamps, reflectors and electrical equipment (72% worse than other 2011 cars)
    • 6.7% fail on Direction indicators (3 times worse than other 2011 cars)
      • 6.7% fail on Flashing type (3 times worse than other 2011 cars)
        • 5.2% fail on Side repeaters (8 times worse than other 2011 cars)
        • 1.7% fail on Individual direction indicators
    • 4.3% fail on Headlamp aim
      • 4.2% fail on Headlamp aim (70% worse than other 2011 cars)
      • 0.33% fail on Headlamp aim not tested
    • 4.2% fail on Stop lamp (83% worse than other 2011 cars)
    • 3.3% fail on Position lamps (120% worse than other 2011 cars)
      • 3.3% fail on Position lamp (130% worse than other 2011 cars)
    • 2.5% fail on Headlamps
      • 1.5% fail on Headlamp
      • 0.84% fail on Headlamp cleaning device (10 times worse than other 2011 cars)
      • 0.17% fail on Headlamp levelling device
    • 1.3% fail on Registration plate lamp(s)
    • 0.33% fail on Front and rear fog lamps
      • 0.33% fail on Rear fog lamp
        • 0.33% fail on Rear fog lamp
    • 0.33% fail on Electrical equipment
      • 0.33% fail on Horn
    • 0.17% fail on Rear reflectors
  • 11% fail on Brakes (89% worse than other 2011 cars)
    • 7.7% fail on Brake performance (2 times worse than other 2011 cars)
      • 5.5% fail on Parking brake efficiency (sp) (4 times worse than other 2011 cars)
        • 5.5% fail on Rbt (sp) (5 times worse than other 2011 cars)
      • 1.7% fail on Service brake performance
        • 1.7% fail on Rbt
          • 1.2% fail on Service brake performance
          • 0.50% fail on Service brake imbalance
      • 1.5% fail on Parking brake performance (2 times worse than other 2011 cars)
        • 1.5% fail on Rbt (2 times worse than other 2011 cars)
          • 1.3% fail on Parking brake performance (2 times worse than other 2011 cars)
          • 0.33% fail on Parking (secondary brake performance) (6 times worse than other 2011 cars)
          • 0.17% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 1.0% fail on Service Brake Efficiency (sp) (2 times worse than other 2011 cars)
        • 1.0% fail on Rbt (sp) (2 times worse than other 2011 cars)
          • 1.0% fail on Service brake performance (5 times worse than other 2011 cars)
      • 0.17% fail on Brake performance not tested
    • 3.3% fail on Mechanical brake components
      • 2.8% fail on Brake linings and pads
        • 2.8% fail on Brake pads
      • 0.84% fail on Brake discs and drums
        • 0.84% fail on Brake discs
    • 1.3% fail on Service brake pedal or hand lever (4 times worse than other 2011 cars)
      • 0.84% fail on Hand lever (5 times worse than other 2011 cars)
      • 0.50% fail on Pedal (4 times worse than other 2011 cars)
    • 0.67% fail on Parking brake control
      • 0.67% fail on Lever
    • 0.33% fail on Rigid brake pipes
  • 6.2% fail on Tyres
    • 3.5% fail on Condition
    • 3.0% fail on Tread depth
    • 0.50% fail on Size/type
  • 5.0% fail on Noise, emissions and leaks (170% worse than other 2011 cars)
    • 4.3% fail on Exhaust emissions (150% worse than other 2011 cars)
      • 3.0% fail on Compression ignition (3 times worse than other 2011 cars)
        • 1.5% fail on On or after 01/07/2008 (4 times worse than other 2011 cars)
        • 1.3% fail on Malfunction indicator lamp (2 times worse than other 2011 cars)
        • 0.17% fail on Pre 01/07/2008 Turbo
      • 1.3% fail on Spark ignition
        • 1.0% fail on Malfunction indicator lamp
        • 0.17% fail on Non catalyst emissions
        • 0.17% fail on Catalyst emissions
    • 0.67% fail on Fluid leaks (4 times worse than other 2011 cars)
      • 0.33% fail on Engine oil leaks
      • 0.17% fail on Transmission oil leaks
      • 0.17% fail on Other leaks
  • 3.7% fail on Seat belts and supplementary restraint systems (4 times worse than other 2011 cars)
    • 2.8% fail on SRS malfunction indicator lamp (8 times worse than other 2011 cars)
    • 1.0% fail on Seat belts (2 times worse than other 2011 cars)
      • 1.0% fail on Condition (2 times worse than other 2011 cars)
  • 3.3% fail on Body, chassis, structure
    • 2.8% fail on Exhaust system (2 times worse than other 2011 cars)
    • 0.33% fail on Fuel system
      • 0.17% fail on Hose
      • 0.17% fail on Pipe
    • 0.17% fail on Transmission
      • 0.17% fail on Prop shafts
        • 0.17% fail on Joints
  • 3.2% fail on Suspension (63% better than other 2011 cars)
    • 1.2% fail on Suspension arms
      • 0.67% fail on Pins and bushes
      • 0.50% fail on Ball joint
    • 1.2% fail on Anti-roll bars
      • 0.33% fail on Linkage pins and bushes (5 times worse than other 2011 cars)
      • 0.33% fail on Linkage ball joints
      • 0.17% fail on Ball joint
      • 0.17% fail on Ball joint dust cover
      • 0.17% fail on Linkage ball joint dust cover
    • 0.50% fail on Springs (84% better than other 2011 cars)
      • 0.50% fail on Coil springs (84% better than other 2011 cars)
        • 0.50% fail on Coil spring (84% better than other 2011 cars)
    • 0.33% fail on Shock absorbers
    • 0.17% fail on Other suspension component
      • 0.17% fail on Ball joint
  • 2.7% fail on Visibility
    • 1.3% fail on Wipers
    • 1.3% fail on Washers
  • 0.84% fail on Steering
    • 0.50% fail on Steering gear
      • 0.50% fail on Steering rack (3 times worse than other 2011 cars)
    • 0.17% fail on Steering linkage components
      • 0.17% fail on Track rod end
    • 0.17% fail on Power steering
      • 0.17% fail on Operation
  • 0.50% fail on Identification of the vehicle
    • 0.50% fail on Registration plates
  • 0.50% fail on Road Wheels
    • 0.50% fail on Attachment

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