Mercedes-Benz Viano MOT Results

Registered in 2013
71.1% pass rate
from 713 tests in 2021
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 2013 cars and highlighted areas where the Mercedes-Benz Viano is unusually good or bad.

  • 10% fail on Lamps, reflectors and electrical equipment
    • 4.8% fail on Direction indicators (4 times worse than other 2013 cars)
      • 4.8% fail on Flashing type (4 times worse than other 2013 cars)
        • 3.9% fail on Side repeaters (7 times worse than other 2013 cars)
        • 1.1% fail on Individual direction indicators (190% worse than other 2013 cars)
        • 0.14% fail on All direction indicators
    • 2.8% fail on Headlamp aim
      • 2.8% fail on Headlamp aim
    • 1.4% fail on Stop lamp
    • 1.3% fail on Headlamps
      • 0.56% fail on Headlamp (71% better than other 2013 cars)
      • 0.56% fail on Headlamp cleaning device (9 times worse than other 2013 cars)
      • 0.14% fail on Headlamp levelling device
    • 0.98% fail on Registration plate lamp(s)
    • 0.42% fail on Electrical equipment
      • 0.28% fail on Horn
      • 0.14% fail on Trailer electrical socket
    • 0.28% fail on Front and rear fog lamps
      • 0.28% fail on Rear fog lamp
        • 0.28% fail on Rear fog lamp
    • 0.14% fail on Mandatory tell-tales
      • 0.14% fail on Main beam tell-tale
  • 9.7% fail on Brakes (89% worse than other 2013 cars)
    • 7.3% fail on Brake performance (2 times worse than other 2013 cars)
      • 5.9% fail on Parking brake efficiency (sp) (7 times worse than other 2013 cars)
        • 5.9% fail on Rbt (sp) (7 times worse than other 2013 cars)
      • 2.7% fail on Parking brake performance (6 times worse than other 2013 cars)
        • 2.4% fail on Rbt (6 times worse than other 2013 cars)
          • 2.2% fail on Parking brake performance (6 times worse than other 2013 cars)
          • 0.14% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.28% fail on Plate brake tester (25 times worse than other 2013 cars)
          • 0.14% fail on Parking brake performance
          • 0.14% fail on Parking (secondary brake performance)
      • 1.7% fail on Service brake performance
        • 1.7% fail on Rbt
          • 1.5% fail on Service brake performance
          • 0.14% fail on Service brake imbalance
      • 0.56% fail on Service Brake Efficiency (sp)
        • 0.56% fail on Rbt (sp)
          • 0.42% fail on Service brake performance
          • 0.14% fail on Service brake imbalance
    • 1.5% fail on Mechanical brake components
      • 1.4% fail on Brake linings and pads
        • 1.4% fail on Brake pads
      • 0.14% fail on Brake discs and drums
        • 0.14% fail on Brake discs
      • 0.14% fail on Brake cables, rods, levers and linkages
        • 0.14% fail on Linkage
    • 1.1% fail on Parking brake control (4 times worse than other 2013 cars)
      • 1.1% fail on Lever (5 times worse than other 2013 cars)
    • 0.42% fail on Service brake pedal or hand lever
      • 0.42% fail on Hand lever
    • 0.42% fail on ABS / EBS / ESC
      • 0.42% fail on Anti-lock braking system
      • 0.28% fail on Electronic stability control
  • 6.5% fail on Tyres
    • 3.2% fail on Condition
    • 2.9% fail on Tread depth
    • 0.56% fail on Size/type (4 times worse than other 2013 cars)
  • 3.4% fail on Visibility
    • 2.2% fail on Wipers
    • 0.70% fail on Washers
    • 0.28% fail on View to rear
      • 0.28% fail on Mirrors
    • 0.14% fail on Condition of glass
      • 0.14% fail on Windscreen
  • 2.7% fail on Suspension (64% better than other 2013 cars)
    • 1.5% fail on Suspension arms
      • 0.84% fail on Ball joint
      • 0.70% fail on Pins and bushes
      • 0.28% fail on Ball joint dust cover
    • 0.56% fail on Anti-roll bars
      • 0.42% fail on Linkage ball joint dust cover
      • 0.14% fail on Linkage
    • 0.28% fail on Other suspension component
      • 0.28% fail on Ball joint
    • 0.28% fail on Air/gas/fluid suspension (37 times worse than other 2013 cars)
      • 0.14% fail on Operation
      • 0.14% fail on Bellows
  • 2.7% fail on Body, chassis, structure
    • 2.1% fail on Exhaust system (190% worse than other 2013 cars)
    • 0.28% fail on Seats (5 times worse than other 2013 cars)
      • 0.28% fail on Passenger's seat (17 times worse than other 2013 cars)
    • 0.14% fail on Bumpers
    • 0.14% fail on Doors
      • 0.14% fail on Other passenger's door
        • 0.14% fail on Door condition
  • 2.5% fail on Noise, emissions and leaks
    • 2.5% fail on Exhaust emissions
      • 2.1% fail on Compression ignition (2 times worse than other 2013 cars)
        • 1.7% fail on On or after 01/07/2008 (6 times worse than other 2013 cars)
        • 0.28% fail on Malfunction indicator lamp
        • 0.14% fail on Emission control equipment
          • 0.14% fail on Other emission control equipment
      • 0.42% fail on Spark ignition
        • 0.42% fail on Malfunction indicator lamp
  • 1.8% fail on Steering
    • 1.1% fail on Steering gear (13 times worse than other 2013 cars)
      • 1.1% fail on Steering rack (14 times worse than other 2013 cars)
    • 0.28% fail on Steering linkage components
      • 0.28% fail on Track rod end
    • 0.28% fail on Power steering (11 times worse than other 2013 cars)
      • 0.28% fail on Other components (60 times worse than other 2013 cars)
    • 0.14% fail on Steering wheel
    • 0.14% fail on Steering play
      • 0.14% fail on Steering rack
  • 1.8% fail on Seat belts and supplementary restraint systems (2 times worse than other 2013 cars)
    • 1.5% fail on SRS malfunction indicator lamp (4 times worse than other 2013 cars)
    • 0.28% fail on Seat belts
      • 0.28% fail on Condition
  • 0.42% fail on Road Wheels
    • 0.28% fail on Attachment
    • 0.14% fail on Condition
  • 0.14% fail on Identification of the vehicle
    • 0.14% fail on Registration plates

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