Mercedes-Benz Viano MOT Results

Registered in 2007
64.2% pass rate
from 570 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 2007 cars and highlighted areas where the Mercedes-Benz Viano is unusually good or bad.

  • 17% fail on Lamps, reflectors and electrical equipment
    • 6.3% fail on Direction indicators (160% worse than other 2007 cars)
      • 6.3% fail on Flashing type (160% worse than other 2007 cars)
        • 3.5% fail on Side repeaters (5 times worse than other 2007 cars)
        • 2.8% fail on Individual direction indicators
        • 0.70% fail on All direction indicators (4 times worse than other 2007 cars)
        • 0.18% fail on Switch
    • 4.2% fail on Headlamp aim
      • 3.9% fail on Headlamp aim
      • 0.35% fail on Headlamp aim not tested
    • 3.9% fail on Headlamps
      • 3.9% fail on Headlamp
    • 3.3% fail on Registration plate lamp(s)
    • 3.2% fail on Stop lamp
    • 2.5% fail on Position lamps
      • 2.3% fail on Position lamp
      • 0.18% fail on All position lamps
    • 1.4% fail on Electrical equipment
      • 0.53% fail on Trailer electrical socket (33 times worse than other 2007 cars)
      • 0.53% fail on Electrical wiring (8 times worse than other 2007 cars)
      • 0.35% fail on Horn
    • 0.88% fail on Front and rear fog lamps
      • 0.88% fail on Rear fog lamp
        • 0.88% fail on Rear fog lamp
        • 0.18% fail on Switch
    • 0.35% fail on Rear reflectors (5 times worse than other 2007 cars)
  • 13% fail on Brakes
    • 8.1% fail on Brake performance (56% worse than other 2007 cars)
      • 6.5% fail on Parking brake efficiency (sp) (150% worse than other 2007 cars)
        • 6.5% fail on Rbt (sp) (160% worse than other 2007 cars)
      • 2.8% fail on Parking brake performance (140% worse than other 2007 cars)
        • 2.8% fail on Rbt (150% worse than other 2007 cars)
          • 2.3% fail on Parking brake performance (130% worse than other 2007 cars)
          • 0.53% fail on Parking (secondary brake performance) (3 times worse than other 2007 cars)
      • 1.8% fail on Service brake performance
        • 1.8% fail on Rbt
          • 1.4% fail on Service brake performance
          • 0.35% fail on Service brake imbalance
      • 0.70% fail on Service Brake Efficiency (sp)
        • 0.70% fail on Rbt (sp)
          • 0.53% fail on Service brake performance
          • 0.18% fail on Service brake imbalance
    • 2.6% fail on Rigid brake pipes
    • 1.9% fail on Parking brake control (3 times worse than other 2007 cars)
      • 1.9% fail on Lever (4 times worse than other 2007 cars)
    • 1.8% fail on Mechanical brake components
      • 1.1% fail on Brake linings and pads
        • 1.1% fail on Brake pads
      • 0.88% fail on Brake discs and drums
        • 0.88% fail on Brake discs
    • 1.2% fail on ABS / EBS / ESC
      • 0.88% fail on Electronic stability control
      • 0.70% fail on Anti-lock braking system
    • 0.53% fail on Service brake pedal or hand lever
      • 0.53% fail on Pedal
    • 0.18% fail on Air and vacuum systems
      • 0.18% fail on Servos
    • 0.18% fail on Flexible brake hoses
    • 0.18% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.18% fail on Hydraulic brake callipers
  • 8.4% fail on Suspension (45% better than other 2007 cars)
    • 5.6% fail on Anti-roll bars
      • 3.0% fail on Linkage ball joint dust cover
      • 1.6% fail on Linkage pins and bushes (7 times worse than other 2007 cars)
      • 0.70% fail on Pins and bushes (3 times worse than other 2007 cars)
      • 0.70% fail on Ball joint dust cover
      • 0.35% fail on Linkage ball joints
    • 1.2% fail on Suspension arms (74% better than other 2007 cars)
      • 1.2% fail on Ball joint
    • 0.70% fail on Springs (85% better than other 2007 cars)
      • 0.70% fail on Coil springs (85% better than other 2007 cars)
        • 0.70% fail on Coil spring (85% better than other 2007 cars)
    • 0.53% fail on Air/gas/fluid suspension (21 times worse than other 2007 cars)
      • 0.35% fail on Operation (40 times worse than other 2007 cars)
      • 0.18% fail on Suspension unit
    • 0.35% fail on Shock absorbers (80% better than other 2007 cars)
    • 0.35% fail on Other suspension component
      • 0.18% fail on Attachment bracket and mounting
      • 0.18% fail on Ball joint
    • 0.18% fail on Suspension rods
      • 0.18% fail on Ball joint dust cover
  • 5.8% fail on Visibility
    • 3.7% fail on Washers
    • 1.8% fail on Wipers
    • 0.35% fail on Bonnet
    • 0.18% fail on Condition of glass
      • 0.18% fail on Windscreen
    • 0.18% fail on View to rear
      • 0.18% fail on Mirrors
  • 5.4% fail on Tyres
    • 3.7% fail on Tread depth
    • 1.8% fail on Condition
    • 0.18% fail on Size/type
  • 4.9% fail on Noise, emissions and leaks
    • 4.2% fail on Exhaust emissions
      • 2.6% fail on Compression ignition
        • 1.8% fail on Malfunction indicator lamp (2 times worse than other 2007 cars)
        • 0.35% fail on Pre 01/07/2008 Turbo
        • 0.35% fail on Emissions not tested
        • 0.18% fail on Pre 01/07/2008 Non turbo
      • 1.8% fail on Spark ignition
        • 1.6% fail on Malfunction indicator lamp
        • 0.18% fail on Non catalyst emissions
        • 0.18% fail on Catalyst emissions
    • 0.70% fail on Fluid leaks
      • 0.53% fail on Engine oil leaks
      • 0.18% fail on Transmission oil leaks
  • 4.6% fail on Steering
    • 3.0% fail on Steering linkage components
      • 2.8% fail on Track rod end
      • 0.18% fail on Steering arm
    • 0.70% fail on Steering gear
      • 0.35% fail on Operation (30 times worse than other 2007 cars)
      • 0.35% fail on Steering rack
    • 0.53% fail on Steering play (3 times worse than other 2007 cars)
      • 0.53% fail on Steering rack (3 times worse than other 2007 cars)
    • 0.35% fail on Power steering
      • 0.18% fail on Operation
      • 0.18% fail on Pipes and hoses
  • 4.0% fail on Body, chassis, structure
    • 2.6% fail on Exhaust system
    • 0.53% fail on Seats
      • 0.53% fail on Passenger's seat (8 times worse than other 2007 cars)
    • 0.35% fail on Bumpers
    • 0.35% fail on Body
      • 0.35% fail on Other body component
    • 0.18% fail on Fuel system
      • 0.18% fail on Pipe
    • 0.18% fail on Transmission
      • 0.18% fail on Prop shafts
        • 0.18% fail on Joints
  • 3.3% fail on Seat belts and supplementary restraint systems (110% worse than other 2007 cars)
    • 3.3% fail on SRS malfunction indicator lamp (2 times worse than other 2007 cars)
    • 0.18% fail on Seat belts
      • 0.18% fail on Condition
  • 0.88% fail on Identification of the vehicle
    • 0.88% fail on Registration plates
  • 0.35% fail on Road Wheels
    • 0.35% fail on Attachment
  • 0.18% fail on Speedometer and speed limiter
    • 0.18% fail on Speedometer
  • 0.18% fail on Seat belt installation check
    • 0.18% fail on Belt(s)/padding

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