Mercedes-Benz Viano MOT Results

Registered in 2014
77.6% pass rate
from 827 tests in 2020
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.

  • 9.3% fail on Lamps, reflectors and electrical equipment (65% worse than other 2014 cars)
    • 3.1% fail on Direction indicators (6 times worse than other 2014 cars)
      • 3.1% fail on Flashing type (6 times worse than other 2014 cars)
        • 2.7% fail on Side repeaters (7 times worse than other 2014 cars)
        • 0.48% fail on Individual direction indicators (4 times worse than other 2014 cars)
    • 2.2% fail on Headlamp aim
      • 2.1% fail on Headlamp aim
      • 0.12% fail on Headlamp aim not tested
    • 1.6% fail on Headlamps
      • 0.73% fail on Headlamp
      • 0.73% fail on Headlamp cleaning device (10 times worse than other 2014 cars)
      • 0.12% fail on Matched pair
    • 1.6% fail on Stop lamp
    • 1.2% fail on Position lamps (170% worse than other 2014 cars)
      • 1.2% fail on Position lamp (180% worse than other 2014 cars)
    • 0.48% fail on Front and rear fog lamps
      • 0.36% fail on Rear fog lamp
        • 0.36% fail on Rear fog lamp
      • 0.12% fail on Front fog lamps
        • 0.12% fail on Front fog lamps
    • 0.36% fail on Registration plate lamp(s)
    • 0.24% fail on Rear reflectors (5 times worse than other 2014 cars)
  • 5.6% fail on Tyres
    • 3.4% fail on Condition
    • 2.1% fail on Tread depth
    • 0.24% fail on Size/type
  • 5.3% fail on Brakes (50% worse than other 2014 cars)
    • 3.0% fail on Brake performance (2 times worse than other 2014 cars)
      • 2.1% fail on Parking brake efficiency (sp) (6 times worse than other 2014 cars)
        • 2.1% fail on Rbt (sp) (6 times worse than other 2014 cars)
      • 0.97% fail on Parking brake performance (6 times worse than other 2014 cars)
        • 0.97% fail on Rbt (6 times worse than other 2014 cars)
          • 0.97% fail on Parking brake performance (8 times worse than other 2014 cars)
      • 0.73% fail on Service brake performance
        • 0.73% fail on Rbt
          • 0.48% fail on Service brake performance
          • 0.36% fail on Service brake imbalance
      • 0.12% fail on Brake performance not tested
      • 0.12% fail on Service Brake Efficiency (sp)
        • 0.12% fail on Rbt (sp)
          • 0.12% fail on Service brake performance
    • 1.3% fail on Parking brake control (10 times worse than other 2014 cars)
      • 1.3% fail on Lever (12 times worse than other 2014 cars)
    • 1.2% fail on Service brake pedal or hand lever (9 times worse than other 2014 cars)
      • 0.85% fail on Pedal (15 times worse than other 2014 cars)
      • 0.36% fail on Hand lever (4 times worse than other 2014 cars)
    • 0.97% fail on Mechanical brake components (61% better than other 2014 cars)
      • 0.73% fail on Brake linings and pads (66% better than other 2014 cars)
        • 0.73% fail on Brake pads (66% better than other 2014 cars)
      • 0.36% fail on Brake discs and drums
        • 0.36% fail on Brake discs
    • 0.24% fail on Hydraulic systems (6 times worse than other 2014 cars)
      • 0.12% fail on Reservoirs
      • 0.12% fail on Brake fluid
    • 0.12% fail on Flexible brake hoses
  • 4.6% fail on Visibility
    • 3.4% fail on Wipers
    • 0.85% fail on Washers
    • 0.12% fail on Bonnet
    • 0.12% fail on Condition of glass
      • 0.12% fail on Windscreen
    • 0.12% fail on View to rear
      • 0.12% fail on Mirrors
  • 2.7% fail on Noise, emissions and leaks (190% worse than other 2014 cars)
    • 2.7% fail on Exhaust emissions (2 times worse than other 2014 cars)
      • 2.5% fail on Compression ignition (4 times worse than other 2014 cars)
        • 1.3% fail on On or after 01/01/2014 (4 times worse than other 2014 cars)
        • 0.97% fail on Malfunction indicator lamp (4 times worse than other 2014 cars)
        • 0.24% fail on On or after 01/07/2008 (9 times worse than other 2014 cars)
        • 0.12% fail on Pre 01/07/2008 Turbo
      • 0.12% fail on Spark ignition
        • 0.12% fail on Malfunction indicator lamp
  • 1.3% fail on Suspension
    • 0.48% fail on Suspension arms
      • 0.36% fail on Pins and bushes
      • 0.12% fail on Ball joint
      • 0.12% fail on Ball joint dust cover
    • 0.48% fail on Anti-roll bars
      • 0.36% fail on Pins and bushes (38 times worse than other 2014 cars)
      • 0.12% fail on Linkage ball joints
    • 0.24% fail on Shock absorbers
    • 0.12% fail on Springs
      • 0.12% fail on Coil springs
        • 0.12% fail on Coil spring
  • 1.2% fail on Body, chassis, structure
    • 0.73% fail on Exhaust system
    • 0.24% fail on Seats (6 times worse than other 2014 cars)
      • 0.24% fail on Passenger's seat (21 times worse than other 2014 cars)
    • 0.12% fail on Bumpers
    • 0.12% fail on Spare wheel
      • 0.12% fail on Spare wheel condition
  • 0.97% fail on Seat belts and supplementary restraint systems (2 times worse than other 2014 cars)
    • 0.60% fail on SRS malfunction indicator lamp (3 times worse than other 2014 cars)
    • 0.36% fail on Seat belts
      • 0.36% fail on Condition
  • 0.85% fail on Steering
    • 0.36% fail on Steering linkage components
      • 0.24% fail on Ball joint (21 times worse than other 2014 cars)
      • 0.12% fail on Drag link end
    • 0.36% fail on Steering play (49 times worse than other 2014 cars)
      • 0.36% fail on Steering rack (50 times worse than other 2014 cars)
    • 0.12% fail on Power steering
      • 0.12% fail on Other components
  • 0.36% fail on Identification of the vehicle
    • 0.36% fail on Registration plates
  • 0.24% fail on Road Wheels
    • 0.12% fail on Condition
    • 0.12% fail on Attachment

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