Mercedes-Benz Viano MOT Results

Registered in 2008
65.4% pass rate
from 624 tests in 2020
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 2008 cars and highlighted areas where the Mercedes-Benz Viano is unusually good or bad.

  • 16% fail on Lamps, reflectors and electrical equipment
    • 4.0% fail on Headlamps
      • 4.0% fail on Headlamp
    • 3.8% fail on Direction indicators (94% worse than other 2008 cars)
      • 3.8% fail on Flashing type (94% worse than other 2008 cars)
        • 1.9% fail on Individual direction indicators
        • 1.9% fail on Side repeaters (2 times worse than other 2008 cars)
        • 0.16% fail on All direction indicators
    • 2.9% fail on Stop lamp
    • 2.7% fail on Headlamp aim
      • 2.4% fail on Headlamp aim
      • 0.32% fail on Headlamp aim not tested
    • 2.6% fail on Registration plate lamp(s)
    • 1.9% fail on Position lamps
      • 1.9% fail on Position lamp
    • 1.4% fail on Front and rear fog lamps (160% worse than other 2008 cars)
      • 1.4% fail on Rear fog lamp (160% worse than other 2008 cars)
        • 1.4% fail on Rear fog lamp (170% worse than other 2008 cars)
        • 0.16% fail on Switch
    • 0.80% fail on Electrical equipment
      • 0.64% fail on Horn
      • 0.16% fail on Trailer electrical socket
    • 0.16% fail on Rear reflectors
    • 0.16% fail on Mandatory tell-tales
      • 0.16% fail on Rear fog lamp tell-tale
  • 15% fail on Brakes (60% worse than other 2008 cars)
    • 8.3% fail on Brake performance (85% worse than other 2008 cars)
      • 4.8% fail on Parking brake efficiency (sp) (130% worse than other 2008 cars)
        • 4.6% fail on Rbt (sp) (130% worse than other 2008 cars)
        • 0.16% fail on Plate brake tester (sp)
      • 2.9% fail on Service brake performance
        • 2.9% fail on Rbt
          • 1.9% fail on Service brake performance
          • 0.96% fail on Service brake imbalance
      • 2.7% fail on Parking brake performance (190% worse than other 2008 cars)
        • 2.7% fail on Rbt (2 times worse than other 2008 cars)
          • 2.6% fail on Parking brake performance (2 times worse than other 2008 cars)
          • 0.16% fail on Parking (secondary brake performance)
      • 0.32% fail on Brake performance not tested
      • 0.32% fail on Service Brake Efficiency (sp)
        • 0.16% fail on Rbt (sp)
          • 0.16% fail on Service brake imbalance
        • 0.16% fail on Decelerometer (sp)
    • 3.7% fail on Mechanical brake components
      • 3.2% fail on Brake linings and pads
        • 3.2% fail on Brake pads
      • 0.96% fail on Brake discs and drums
        • 0.96% fail on Brake discs
    • 2.1% fail on Rigid brake pipes
    • 1.6% fail on Service brake pedal or hand lever (3 times worse than other 2008 cars)
      • 0.80% fail on Pedal (4 times worse than other 2008 cars)
      • 0.80% fail on Hand lever (2 times worse than other 2008 cars)
    • 0.96% fail on Parking brake control
      • 0.96% fail on Lever
    • 0.80% fail on Flexible brake hoses (3 times worse than other 2008 cars)
    • 0.64% fail on ABS / EBS / ESC
      • 0.48% fail on Anti-lock braking system
      • 0.32% fail on Electronic stability control
    • 0.48% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.48% fail on Hydraulic brake callipers
    • 0.16% fail on Hydraulic systems
      • 0.16% fail on Brake fluid
  • 7.2% fail on Suspension (49% better than other 2008 cars)
    • 4.2% fail on Anti-roll bars
      • 1.3% fail on Linkage pins and bushes (7 times worse than other 2008 cars)
      • 1.1% fail on Pins and bushes (9 times worse than other 2008 cars)
      • 0.96% fail on Linkage ball joint dust cover
      • 0.48% fail on Ball joint dust cover
      • 0.32% fail on Anti-roll bar (8 times worse than other 2008 cars)
      • 0.32% fail on Linkage ball joints
      • 0.16% fail on Ball joint
    • 1.4% fail on Springs (70% better than other 2008 cars)
      • 1.4% fail on Coil springs (69% better than other 2008 cars)
        • 1.4% fail on Coil spring (69% better than other 2008 cars)
    • 0.64% fail on Shock absorbers
    • 0.64% fail on Suspension arms (85% better than other 2008 cars)
      • 0.32% fail on Ball joint (83% better than other 2008 cars)
      • 0.16% fail on Suspension arm
      • 0.16% fail on Ball joint dust cover
    • 0.32% fail on Wheel bearings
    • 0.32% fail on Air/gas/fluid suspension (15 times worse than other 2008 cars)
      • 0.32% fail on Operation (43 times worse than other 2008 cars)
    • 0.32% fail on Component mounting prescribed areas
  • 5.8% fail on Tyres
    • 3.2% fail on Tread depth
    • 2.7% fail on Condition
  • 5.1% fail on Visibility
    • 2.7% fail on Wipers
    • 2.1% fail on Washers
    • 0.16% fail on Condition of glass
      • 0.16% fail on Windscreen
    • 0.16% fail on View to rear
      • 0.16% fail on Mirrors
  • 4.8% fail on Body, chassis, structure
    • 3.5% fail on Exhaust system
    • 0.48% fail on Doors
      • 0.16% fail on Driver's door
        • 0.16% fail on Door condition
      • 0.16% fail on Front passenger's door
        • 0.16% fail on Catch
      • 0.16% fail on Other passenger's door
        • 0.16% fail on Door condition
    • 0.48% fail on Seats
      • 0.32% fail on Passenger's seat (5 times worse than other 2008 cars)
      • 0.16% fail on Driver's seat
    • 0.32% fail on Undertray
    • 0.16% fail on Integral vehicle structure
      • 0.16% fail on Integral vehicle structure condition
    • 0.16% fail on Fuel system
      • 0.16% fail on Tank
    • 0.16% fail on Transmission
      • 0.16% fail on Prop shafts
        • 0.16% fail on Joints
  • 4.0% fail on Seat belts and supplementary restraint systems (2 times worse than other 2008 cars)
    • 3.5% fail on SRS malfunction indicator lamp (4 times worse than other 2008 cars)
    • 0.48% fail on Seat belts
      • 0.32% fail on Condition
      • 0.16% fail on Requirements
  • 3.7% fail on Noise, emissions and leaks
    • 2.9% fail on Exhaust emissions
      • 1.8% fail on Compression ignition
        • 1.1% fail on Malfunction indicator lamp
        • 0.48% fail on Emissions not tested
        • 0.32% fail on Pre 01/07/2008 Turbo
      • 1.1% fail on Spark ignition (63% better than other 2008 cars)
        • 0.96% fail on Malfunction indicator lamp
        • 0.32% fail on Emissions not tested
    • 0.80% fail on Fluid leaks
      • 0.64% fail on Engine oil leaks
      • 0.16% fail on Transmission oil leaks
  • 1.1% fail on Steering
    • 0.96% fail on Steering linkage components
      • 0.80% fail on Track rod end
      • 0.16% fail on Ball joint
    • 0.16% fail on Steering gear
      • 0.16% fail on Steering rack
    • 0.16% fail on Steering play
      • 0.16% fail on Steering rack
  • 0.48% fail on Identification of the vehicle
    • 0.48% fail on Registration plates
  • 0.16% fail on Road Wheels
    • 0.16% fail on Attachment

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