Mercedes-Benz Viano MOT Results

Registered in 2011
67.9% pass rate
from 526 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 2011 cars and highlighted areas where the Mercedes-Benz Viano is unusually good or bad.

  • 17% fail on Lamps, reflectors and electrical equipment (67% worse than other 2011 cars)
    • 7.8% fail on Direction indicators (3 times worse than other 2011 cars)
      • 7.8% fail on Flashing type (3 times worse than other 2011 cars)
        • 5.3% fail on Side repeaters (7 times worse than other 2011 cars)
        • 3.4% fail on Individual direction indicators (2 times worse than other 2011 cars)
    • 4.2% fail on Stop lamp
    • 3.4% fail on Headlamp aim
      • 3.4% fail on Headlamp aim
    • 1.7% fail on Headlamps
      • 1.7% fail on Headlamp
    • 1.1% fail on Registration plate lamp(s)
    • 0.57% fail on Electrical equipment
      • 0.38% fail on Electrical wiring (18 times worse than other 2011 cars)
      • 0.19% fail on Horn
    • 0.38% fail on Position lamps
      • 0.38% fail on Position lamp
    • 0.38% fail on Front and rear fog lamps
      • 0.38% fail on Rear fog lamp
        • 0.38% fail on Rear fog lamp
  • 8.2% fail on Brakes
    • 5.5% fail on Brake performance (73% worse than other 2011 cars)
      • 4.6% fail on Parking brake efficiency (sp) (2 times worse than other 2011 cars)
        • 4.6% fail on Rbt (sp) (2 times worse than other 2011 cars)
      • 0.76% fail on Service brake performance
        • 0.76% fail on Rbt
          • 0.57% fail on Service brake performance
          • 0.19% fail on Service brake imbalance
      • 0.76% fail on Parking brake performance
        • 0.76% fail on Rbt
          • 0.57% fail on Parking brake performance
          • 0.19% fail on Parking (secondary brake performance)
      • 0.57% fail on Service Brake Efficiency (sp)
        • 0.57% fail on Rbt (sp)
          • 0.38% fail on Service brake performance
          • 0.19% fail on Service brake imbalance
    • 1.1% fail on Rigid brake pipes
    • 0.95% fail on Parking brake control
      • 0.95% fail on Lever (2 times worse than other 2011 cars)
    • 0.95% fail on Mechanical brake components (67% better than other 2011 cars)
      • 0.95% fail on Brake linings and pads
        • 0.95% fail on Brake pads
    • 0.76% fail on ABS / EBS / ESC
      • 0.38% fail on Anti-lock braking system
      • 0.38% fail on Electronic stability control
    • 0.57% fail on Service brake pedal or hand lever
      • 0.38% fail on Hand lever
      • 0.19% fail on Pedal
    • 0.38% fail on Hydraulic systems
      • 0.19% fail on Reservoirs
      • 0.19% fail on Brake fluid
    • 0.38% fail on Flexible brake hoses
  • 5.3% fail on Suspension (52% better than other 2011 cars)
    • 1.9% fail on Suspension arms
      • 1.1% fail on Ball joint
      • 0.76% fail on Pins and bushes
    • 1.9% fail on Anti-roll bars
      • 0.76% fail on Linkage ball joint dust cover
      • 0.57% fail on Linkage ball joints
      • 0.19% fail on Pins and bushes
      • 0.19% fail on Linkage pins and bushes
      • 0.19% fail on Ball joint
      • 0.19% fail on Ball joint dust cover
    • 1.1% fail on Springs (75% better than other 2011 cars)
      • 1.1% fail on Coil springs (75% better than other 2011 cars)
        • 1.1% fail on Coil spring (75% better than other 2011 cars)
    • 0.38% fail on Axles
      • 0.19% fail on King pins
      • 0.19% fail on Swivel pins and bushes
    • 0.38% fail on Wheel bearings
    • 0.19% fail on Shock absorbers
    • 0.19% fail on Other suspension component
      • 0.19% fail on Attachment bracket and mounting
    • 0.19% fail on Air/gas/fluid suspension
      • 0.19% fail on Suspension unit
  • 4.8% fail on Tyres
    • 3.0% fail on Condition
    • 1.9% fail on Tread depth
  • 3.6% fail on Noise, emissions and leaks
    • 3.4% fail on Exhaust emissions
      • 3.2% fail on Compression ignition (2 times worse than other 2011 cars)
        • 1.9% fail on Malfunction indicator lamp (3 times worse than other 2011 cars)
        • 1.5% fail on On or after 01/07/2008 (4 times worse than other 2011 cars)
      • 0.19% fail on Spark ignition
        • 0.19% fail on Malfunction indicator lamp
    • 0.19% fail on Fluid leaks
      • 0.19% fail on Engine oil leaks
  • 3.4% fail on Visibility
    • 2.1% fail on Washers
    • 1.1% fail on Wipers
    • 0.19% fail on Condition of glass
      • 0.19% fail on Windscreen
    • 0.19% fail on View to rear
      • 0.19% fail on Mirrors
  • 3.0% fail on Body, chassis, structure
    • 2.1% fail on Exhaust system
    • 0.38% fail on Body
      • 0.38% fail on Other body component (5 times worse than other 2011 cars)
    • 0.19% fail on Bumpers
    • 0.19% fail on Doors
      • 0.19% fail on Other passenger's door
        • 0.19% fail on Door condition
    • 0.19% fail on Seats
      • 0.19% fail on Driver's seat
  • 2.3% fail on Seat belts and supplementary restraint systems (2 times worse than other 2011 cars)
    • 1.9% fail on SRS malfunction indicator lamp (3 times worse than other 2011 cars)
    • 0.38% fail on Seat belts
      • 0.38% fail on Condition
  • 0.95% fail on Identification of the vehicle
    • 0.95% fail on Registration plates
  • 0.95% fail on Steering
    • 0.38% fail on Steering linkage components
      • 0.19% fail on Ball joint
      • 0.19% fail on Track rod end
    • 0.38% fail on Power steering
      • 0.19% fail on Pipes and hoses
      • 0.19% fail on Other components
    • 0.19% fail on Steering play
      • 0.19% fail on Steering rack
  • 0.76% fail on Road Wheels
    • 0.57% fail on Condition (4 times worse than other 2011 cars)
    • 0.19% fail on Attachment

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