Mercedes-Benz Viano MOT Results

Registered in 2010
65.0% pass rate
from 548 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 2010 cars and highlighted areas where the Mercedes-Benz Viano is unusually good or bad.

  • 20% fail on Lamps, reflectors and electrical equipment (53% worse than other 2010 cars)
    • 10% fail on Direction indicators (4 times worse than other 2010 cars)
      • 10% fail on Flashing type (4 times worse than other 2010 cars)
        • 6.8% fail on Side repeaters (9 times worse than other 2010 cars)
        • 4.7% fail on Individual direction indicators (3 times worse than other 2010 cars)
        • 0.18% fail on All direction indicators
    • 3.8% fail on Headlamp aim
      • 3.6% fail on Headlamp aim
      • 0.18% fail on Headlamp aim not tested
    • 3.3% fail on Headlamps
      • 3.3% fail on Headlamp
    • 2.0% fail on Stop lamp
    • 2.0% fail on Front and rear fog lamps (3 times worse than other 2010 cars)
      • 2.0% fail on Rear fog lamp (3 times worse than other 2010 cars)
        • 2.0% fail on Rear fog lamp (3 times worse than other 2010 cars)
    • 1.8% fail on Position lamps
      • 1.8% fail on Position lamp
    • 1.8% fail on Registration plate lamp(s)
    • 0.36% fail on Rear reflectors (5 times worse than other 2010 cars)
    • 0.36% fail on Electrical equipment
      • 0.36% fail on Trailer electrical socket (32 times worse than other 2010 cars)
  • 7.5% fail on Brakes
    • 4.7% fail on Brake performance
      • 2.6% fail on Parking brake efficiency (sp)
        • 2.6% fail on Rbt (sp) (110% worse than other 2010 cars)
      • 2.0% fail on Parking brake performance (2 times worse than other 2010 cars)
        • 2.0% fail on Rbt (2 times worse than other 2010 cars)
          • 1.8% fail on Parking brake performance (2 times worse than other 2010 cars)
          • 0.18% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 1.5% fail on Service brake performance
        • 1.5% fail on Rbt
          • 1.1% fail on Service brake performance
          • 0.55% fail on Service brake imbalance
      • 0.18% fail on Service Brake Efficiency (sp)
        • 0.18% fail on Rbt (sp)
          • 0.18% fail on Service brake imbalance
    • 1.3% fail on Mechanical brake components (60% better than other 2010 cars)
      • 0.73% fail on Brake linings and pads (71% better than other 2010 cars)
        • 0.73% fail on Brake pads (70% better than other 2010 cars)
      • 0.73% fail on Brake discs and drums
        • 0.73% fail on Brake discs
    • 0.55% fail on Parking brake control
      • 0.55% fail on Lever
    • 0.55% fail on Rigid brake pipes
    • 0.36% fail on Service brake pedal or hand lever
      • 0.36% fail on Pedal
    • 0.18% fail on Hydraulic systems
      • 0.18% fail on Brake fluid
    • 0.18% fail on ABS / EBS / ESC
      • 0.18% fail on Anti-lock braking system
  • 6.2% fail on Suspension (43% better than other 2010 cars)
    • 2.6% fail on Anti-roll bars
      • 1.1% fail on Linkage ball joint dust cover
      • 0.91% fail on Linkage pins and bushes (9 times worse than other 2010 cars)
      • 0.55% fail on Pins and bushes (10 times worse than other 2010 cars)
      • 0.18% fail on Linkage
      • 0.18% fail on Linkage ball joints
      • 0.18% fail on Ball joint dust cover
    • 2.0% fail on Springs
      • 2.0% fail on Coil springs
        • 2.0% fail on Coil spring
    • 0.91% fail on Suspension arms (71% better than other 2010 cars)
      • 0.91% fail on Ball joint
    • 0.36% fail on Wheel bearings
    • 0.36% fail on Shock absorbers
    • 0.18% fail on Axles
      • 0.18% fail on Swivel pins and bushes
    • 0.18% fail on Air/gas/fluid suspension
      • 0.18% fail on Bellows
  • 6.2% fail on Tyres
    • 4.6% fail on Tread depth
    • 2.4% fail on Condition
    • 0.18% fail on Size/type
  • 5.5% fail on Visibility
    • 3.1% fail on Washers
    • 2.2% fail on Wipers
    • 0.36% fail on View to rear
      • 0.36% fail on Mirrors
    • 0.18% fail on Bonnet
  • 4.4% fail on Seat belts and supplementary restraint systems (4 times worse than other 2010 cars)
    • 4.2% fail on SRS malfunction indicator lamp (10 times worse than other 2010 cars)
    • 0.55% fail on Seat belts
      • 0.36% fail on Condition
      • 0.18% fail on Attachment
  • 3.6% fail on Body, chassis, structure
    • 2.7% fail on Exhaust system (100% worse than other 2010 cars)
    • 0.36% fail on Fuel system
      • 0.18% fail on Hose
      • 0.18% fail on System
    • 0.36% fail on Seats
      • 0.36% fail on Passenger's seat (11 times worse than other 2010 cars)
    • 0.18% fail on Transmission
      • 0.18% fail on Prop shafts
        • 0.18% fail on Joints
    • 0.18% fail on Body
      • 0.18% fail on Other body component
  • 2.9% fail on Noise, emissions and leaks
    • 2.9% fail on Exhaust emissions
      • 2.2% fail on Compression ignition
        • 0.91% fail on Malfunction indicator lamp
        • 0.73% fail on Emissions not tested (7 times worse than other 2010 cars)
        • 0.55% fail on On or after 01/07/2008
        • 0.18% fail on Pre 01/07/2008 Turbo
      • 0.73% fail on Spark ignition
        • 0.73% fail on Malfunction indicator lamp
    • 0.18% fail on Fluid leaks
      • 0.18% fail on Engine oil leaks
  • 0.91% fail on Steering
    • 0.55% fail on Steering linkage components
      • 0.55% fail on Track rod end
    • 0.36% fail on Power steering (5 times worse than other 2010 cars)
      • 0.18% fail on Operation
      • 0.18% fail on Other components
  • 0.91% fail on Road Wheels
    • 0.91% fail on Attachment (2 times worse than other 2010 cars)
  • 0.55% fail on Identification of the vehicle
    • 0.55% fail on Registration plates

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