Mercedes-Benz Viano MOT Results

Registered in 2009
63.9% pass rate
from 496 tests in 2021
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 2009 cars and highlighted areas where the Mercedes-Benz Viano is unusually good or bad.

  • 14% fail on Lamps, reflectors and electrical equipment
    • 4.8% fail on Direction indicators (140% worse than other 2009 cars)
      • 4.8% fail on Flashing type (140% worse than other 2009 cars)
        • 2.8% fail on Side repeaters (2 times worse than other 2009 cars)
        • 2.2% fail on Individual direction indicators
        • 0.20% fail on All direction indicators
    • 4.0% fail on Headlamps
      • 4.0% fail on Headlamp
    • 3.6% fail on Headlamp aim
      • 3.2% fail on Headlamp aim
      • 0.40% fail on Headlamp aim not tested
    • 3.6% fail on Stop lamp
    • 1.2% fail on Front and rear fog lamps
      • 1.2% fail on Rear fog lamp
        • 1.2% fail on Rear fog lamp
    • 1.0% fail on Registration plate lamp(s)
    • 0.20% fail on Position lamps
      • 0.20% fail on Position lamp
    • 0.20% fail on Hazard warning
      • 0.20% fail on Switch
    • 0.20% fail on Rear reflectors
    • 0.20% fail on Electrical equipment
      • 0.20% fail on Horn
  • 11% fail on Brakes
    • 7.9% fail on Brake performance (68% worse than other 2009 cars)
      • 4.6% fail on Parking brake efficiency (sp) (130% worse than other 2009 cars)
        • 4.6% fail on Rbt (sp) (140% worse than other 2009 cars)
      • 2.0% fail on Service brake performance
        • 2.0% fail on Rbt
          • 1.8% fail on Service brake performance
          • 0.60% fail on Service brake imbalance
      • 2.0% fail on Parking brake performance
        • 2.0% fail on Rbt (130% worse than other 2009 cars)
          • 1.4% fail on Parking brake performance
          • 0.40% fail on Parking (secondary brake performance)
          • 0.20% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.40% fail on Plate brake tester (14 times worse than other 2009 cars)
          • 0.20% fail on Parking brake performance
          • 0.20% fail on Parking (secondary brake performance)
      • 1.2% fail on Service Brake Efficiency (sp)
        • 1.0% fail on Rbt (sp)
          • 0.81% fail on Service brake imbalance
          • 0.20% fail on Service brake performance
        • 0.20% fail on Plate brake tester (sp)
          • 0.20% fail on Service brake imbalance
      • 0.40% fail on Brake performance not tested
    • 2.0% fail on Mechanical brake components
      • 1.2% fail on Brake linings and pads
        • 1.2% fail on Brake pads
      • 0.60% fail on Brake cables, rods, levers and linkages (3 times worse than other 2009 cars)
        • 0.20% fail on Linkage
        • 0.20% fail on Pivot
        • 0.20% fail on Brake slack adjuster
      • 0.40% fail on Brake discs and drums
        • 0.40% fail on Brake discs
    • 1.6% fail on Parking brake control (3 times worse than other 2009 cars)
      • 1.6% fail on Lever (3 times worse than other 2009 cars)
    • 0.81% fail on Rigid brake pipes
    • 0.60% fail on ABS / EBS / ESC
      • 0.60% fail on Electronic stability control
    • 0.40% fail on Service brake pedal or hand lever
      • 0.40% fail on Pedal
    • 0.20% fail on Flexible brake hoses
  • 7.1% fail on Body, chassis, structure
    • 5.2% fail on Exhaust system (170% worse than other 2009 cars)
    • 0.60% fail on Transmission
      • 0.40% fail on Prop shafts
        • 0.40% fail on Joints (4 times worse than other 2009 cars)
      • 0.20% fail on Drive shafts
        • 0.20% fail on Joints
    • 0.60% fail on Doors
      • 0.40% fail on Other passenger's door
        • 0.40% fail on Door condition
      • 0.20% fail on Front passenger's door
        • 0.20% fail on Hinge
    • 0.40% fail on Bumpers
    • 0.20% fail on Fuel system
      • 0.20% fail on System
    • 0.20% fail on Spare wheel
      • 0.20% fail on Carrier
  • 6.9% fail on Suspension (53% better than other 2009 cars)
    • 4.0% fail on Anti-roll bars
      • 1.8% fail on Linkage pins and bushes (13 times worse than other 2009 cars)
      • 1.0% fail on Linkage ball joint dust cover
      • 0.60% fail on Linkage ball joints
      • 0.60% fail on Ball joint dust cover
      • 0.40% fail on Pins and bushes
    • 2.0% fail on Suspension arms (57% better than other 2009 cars)
      • 1.6% fail on Ball joint
      • 0.60% fail on Ball joint dust cover
    • 1.6% fail on Springs (72% better than other 2009 cars)
      • 1.6% fail on Coil springs (72% better than other 2009 cars)
        • 1.6% fail on Coil spring (72% better than other 2009 cars)
    • 0.60% fail on Air/gas/fluid suspension (33 times worse than other 2009 cars)
      • 0.40% fail on Operation (68 times worse than other 2009 cars)
      • 0.20% fail on Bellows
    • 0.40% fail on Other suspension component
      • 0.20% fail on Attachment bracket and mounting
      • 0.20% fail on Pins and bushes
    • 0.20% fail on Shock absorbers
    • 0.20% fail on Macpherson strut
      • 0.20% fail on Pins and bushes
  • 6.3% fail on Tyres
    • 4.2% fail on Condition
    • 2.6% fail on Tread depth
  • 4.4% fail on Noise, emissions and leaks
    • 3.8% fail on Exhaust emissions
      • 3.0% fail on Compression ignition (110% worse than other 2009 cars)
        • 2.0% fail on Malfunction indicator lamp (2 times worse than other 2009 cars)
        • 0.60% fail on On or after 01/07/2008
        • 0.60% fail on Emissions not tested (3 times worse than other 2009 cars)
      • 0.81% fail on Spark ignition (71% better than other 2009 cars)
        • 0.81% fail on Malfunction indicator lamp
    • 0.40% fail on Noise suppression (15 times worse than other 2009 cars)
      • 0.20% fail on Sound deadening material
      • 0.20% fail on Undertray
    • 0.40% fail on Fluid leaks
      • 0.20% fail on Engine oil leaks
      • 0.20% fail on Hydraulic fluid leaks
  • 4.2% fail on Visibility
    • 3.0% fail on Washers
    • 0.60% fail on Wipers (78% better than other 2009 cars)
    • 0.20% fail on Bonnet
    • 0.20% fail on Condition of glass
      • 0.20% fail on Windscreen
    • 0.20% fail on View to rear
      • 0.20% fail on Mirrors
  • 4.2% fail on Seat belts and supplementary restraint systems (2 times worse than other 2009 cars)
    • 3.6% fail on SRS malfunction indicator lamp (5 times worse than other 2009 cars)
    • 1.0% fail on Seat belts
      • 1.0% fail on Condition
  • 1.6% fail on Steering
    • 0.81% fail on Steering gear
      • 0.81% fail on Steering rack
    • 0.60% fail on Steering linkage components
      • 0.60% fail on Track rod end
    • 0.20% fail on Steering play
      • 0.20% fail on Steering rack
  • 0.60% fail on Identification of the vehicle
    • 0.60% fail on Registration plates
  • 0.60% fail on Road Wheels
    • 0.60% fail on Attachment

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