Mercedes-Benz Viano MOT Results

Registered in 2014
69.7% pass rate
from 732 tests in 2021
(37% worse than other 2014 cars)
Pass rate by mileage
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 2014 cars and highlighted areas where the Mercedes-Benz Viano is unusually good or bad.

  • 10% fail on Lamps, reflectors and electrical equipment (66% worse than other 2014 cars)
    • 5.1% fail on Direction indicators (8 times worse than other 2014 cars)
      • 5.1% fail on Flashing type (8 times worse than other 2014 cars)
        • 4.0% fail on Side repeaters (9 times worse than other 2014 cars)
        • 1.1% fail on Individual direction indicators (5 times worse than other 2014 cars)
    • 1.8% fail on Headlamp aim
      • 1.8% fail on Headlamp aim
    • 1.6% fail on Stop lamp
    • 1.1% fail on Headlamps
      • 0.55% fail on Headlamp cleaning device (9 times worse than other 2014 cars)
      • 0.41% fail on Headlamp (73% better than other 2014 cars)
      • 0.14% fail on Headlamp levelling device
    • 0.82% fail on Front and rear fog lamps (2 times worse than other 2014 cars)
      • 0.82% fail on Rear fog lamp (2 times worse than other 2014 cars)
        • 0.82% fail on Rear fog lamp (2 times worse than other 2014 cars)
    • 0.27% fail on Registration plate lamp(s)
    • 0.27% fail on Rear reflectors (6 times worse than other 2014 cars)
    • 0.14% fail on Reversing lamps
      • 0.14% fail on Reversing lamps
    • 0.14% fail on Electrical equipment
      • 0.14% fail on Horn
  • 8.1% fail on Brakes (89% worse than other 2014 cars)
    • 5.5% fail on Brake performance (2 times worse than other 2014 cars)
      • 3.4% fail on Parking brake efficiency (sp) (5 times worse than other 2014 cars)
        • 3.3% fail on Rbt (sp) (5 times worse than other 2014 cars)
        • 0.14% fail on Decelerometer (sp)
      • 2.3% fail on Parking brake performance (8 times worse than other 2014 cars)
        • 2.3% fail on Rbt (8 times worse than other 2014 cars)
          • 2.0% fail on Parking brake performance (8 times worse than other 2014 cars)
          • 0.14% fail on Parking (secondary brake performance)
          • 0.14% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 2.0% fail on Service brake performance (140% worse than other 2014 cars)
        • 2.0% fail on Rbt (140% worse than other 2014 cars)
          • 1.8% fail on Service brake performance (140% worse than other 2014 cars)
          • 0.41% fail on Service brake imbalance
      • 0.27% fail on Service Brake Efficiency (sp)
        • 0.27% fail on Rbt (sp)
          • 0.27% fail on Service brake performance
          • 0.14% fail on Service brake imbalance
    • 1.5% fail on Mechanical brake components
      • 1.2% fail on Brake linings and pads
        • 1.1% fail on Brake pads
        • 0.14% fail on Brake linings
      • 0.41% fail on Brake discs and drums
        • 0.41% fail on Brake discs
    • 0.96% fail on Service brake pedal or hand lever (5 times worse than other 2014 cars)
      • 0.82% fail on Pedal (12 times worse than other 2014 cars)
      • 0.14% fail on Hand lever
    • 0.55% fail on Parking brake control
      • 0.55% fail on Lever (2 times worse than other 2014 cars)
    • 0.55% fail on ABS / EBS / ESC
      • 0.41% fail on Anti-lock braking system
      • 0.14% fail on Electronic braking system
      • 0.14% fail on Electronic stability control
    • 0.14% fail on Flexible brake hoses
    • 0.14% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.14% fail on Hydraulic brake callipers
  • 7.1% fail on Tyres (50% worse than other 2014 cars)
    • 4.5% fail on Condition (91% worse than other 2014 cars)
    • 3.1% fail on Tread depth
    • 0.14% fail on Size/type
  • 4.1% fail on Noise, emissions and leaks (180% worse than other 2014 cars)
    • 3.7% fail on Exhaust emissions (160% worse than other 2014 cars)
      • 3.3% fail on Compression ignition (4 times worse than other 2014 cars)
        • 1.9% fail on On or after 01/01/2014 (6 times worse than other 2014 cars)
        • 0.68% fail on Malfunction indicator lamp
        • 0.55% fail on On or after 01/07/2008 (21 times worse than other 2014 cars)
        • 0.14% fail on Pre 01/07/2008 Turbo
      • 0.41% fail on Spark ignition
        • 0.41% fail on Malfunction indicator lamp
    • 0.55% fail on Fluid leaks (8 times worse than other 2014 cars)
      • 0.41% fail on Engine oil leaks (7 times worse than other 2014 cars)
      • 0.14% fail on Hydraulic fluid leaks
  • 3.6% fail on Visibility
    • 2.0% fail on Wipers
    • 1.1% fail on Washers
    • 0.27% fail on Condition of glass
      • 0.14% fail on Windscreen
      • 0.14% fail on Window
    • 0.14% fail on View to rear
      • 0.14% fail on Mirrors
  • 2.5% fail on Suspension (48% better than other 2014 cars)
    • 1.2% fail on Suspension arms
      • 0.55% fail on Pins and bushes
      • 0.55% fail on Ball joint
      • 0.14% fail on Ball joint dust cover
    • 0.82% fail on Anti-roll bars
      • 0.68% fail on Linkage pins and bushes (21 times worse than other 2014 cars)
      • 0.14% fail on Linkage
    • 0.27% fail on Springs (88% better than other 2014 cars)
      • 0.27% fail on Coil springs (88% better than other 2014 cars)
        • 0.27% fail on Coil spring (87% better than other 2014 cars)
    • 0.14% fail on Macpherson strut
      • 0.14% fail on Ball joint
    • 0.14% fail on Air/gas/fluid suspension
      • 0.14% fail on Operation
  • 2.0% fail on Body, chassis, structure
    • 0.96% fail on Exhaust system
    • 0.55% fail on Seats (15 times worse than other 2014 cars)
      • 0.41% fail on Passenger's seat (31 times worse than other 2014 cars)
      • 0.14% fail on Driver's seat
    • 0.14% fail on Fuel system
      • 0.14% fail on Hose
    • 0.14% fail on Bumpers
    • 0.14% fail on Spare wheel
      • 0.14% fail on Carrier
    • 0.14% fail on Body
      • 0.14% fail on Other body component
  • 1.5% fail on Steering
    • 0.68% fail on Steering gear (9 times worse than other 2014 cars)
      • 0.68% fail on Steering rack (10 times worse than other 2014 cars)
    • 0.41% fail on Steering linkage components
      • 0.41% fail on Track rod end
    • 0.27% fail on Power steering (18 times worse than other 2014 cars)
      • 0.14% fail on Operation
      • 0.14% fail on Other components
    • 0.14% fail on Steering column
  • 1.2% fail on Seat belts and supplementary restraint systems (180% worse than other 2014 cars)
    • 0.82% fail on SRS malfunction indicator lamp (2 times worse than other 2014 cars)
    • 0.41% fail on Seat belts
      • 0.27% fail on Condition
      • 0.14% fail on Requirements
  • 0.41% fail on Road Wheels
    • 0.41% fail on Attachment
  • 0.27% fail on Identification of the vehicle
    • 0.27% fail on Registration plates
  • 0.14% fail on Seat belt installation check
    • 0.14% fail on Anchorages

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