Mercedes-Benz Viano MOT Results

Registered in 2008
61.4% pass rate
from 547 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 2008 cars and highlighted areas where the Mercedes-Benz Viano is unusually good or bad.

  • 16% fail on Lamps, reflectors and electrical equipment
    • 4.9% fail on Headlamp aim
      • 4.4% fail on Headlamp aim
      • 0.55% fail on Headlamp aim not tested
    • 4.2% fail on Headlamps
      • 4.2% fail on Headlamp
    • 4.0% fail on Stop lamp
    • 3.8% fail on Direction indicators (81% worse than other 2008 cars)
      • 3.8% fail on Flashing type (81% worse than other 2008 cars)
        • 2.7% fail on Side repeaters (2 times worse than other 2008 cars)
        • 0.91% fail on Individual direction indicators
        • 0.18% fail on All direction indicators
    • 2.0% fail on Registration plate lamp(s)
    • 0.73% fail on Front and rear fog lamps
      • 0.73% fail on Rear fog lamp
        • 0.73% fail on Rear fog lamp
    • 0.37% fail on Electrical equipment
      • 0.18% fail on Battery(ies)
      • 0.18% fail on Horn
  • 13% fail on Brakes
    • 8.4% fail on Brake performance (59% worse than other 2008 cars)
      • 4.6% fail on Parking brake efficiency (sp) (80% worse than other 2008 cars)
        • 4.4% fail on Rbt (sp) (81% worse than other 2008 cars)
        • 0.18% fail on Plate brake tester (sp)
      • 3.5% fail on Service brake performance
        • 3.5% fail on Rbt
          • 2.9% fail on Service brake performance
          • 1.1% fail on Service brake imbalance
        • 0.18% fail on Plate brake tester
          • 0.18% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
      • 1.5% fail on Parking brake performance
        • 1.5% fail on Rbt
          • 1.3% fail on Parking brake performance
          • 0.18% fail on Parking (secondary brake performance)
      • 0.73% fail on Service Brake Efficiency (sp)
        • 0.73% fail on Rbt (sp)
          • 0.55% fail on Service brake performance
          • 0.37% fail on Service brake imbalance
      • 0.18% fail on Brake performance not tested
    • 2.6% fail on Rigid brake pipes
    • 1.6% fail on Mechanical brake components
      • 1.3% fail on Brake linings and pads
        • 1.3% fail on Brake pads
      • 0.37% fail on Brake discs and drums
        • 0.37% fail on Brake discs
      • 0.18% fail on Brake cables, rods, levers and linkages
        • 0.18% fail on Relay lever
    • 1.3% fail on Parking brake control (180% worse than other 2008 cars)
      • 1.3% fail on Lever (2 times worse than other 2008 cars)
    • 1.1% fail on Service brake pedal or hand lever
      • 0.91% fail on Pedal (4 times worse than other 2008 cars)
      • 0.18% fail on Hand lever
    • 0.91% fail on ABS / EBS / ESC
      • 0.73% fail on Electronic stability control
      • 0.37% fail on Anti-lock braking system
    • 0.37% fail on Flexible brake hoses
  • 8.2% fail on Suspension (48% better than other 2008 cars)
    • 4.2% fail on Anti-roll bars
      • 1.5% fail on Pins and bushes (11 times worse than other 2008 cars)
      • 1.3% fail on Linkage pins and bushes (6 times worse than other 2008 cars)
      • 1.3% fail on Linkage ball joint dust cover
      • 0.73% fail on Linkage ball joints
      • 0.37% fail on Linkage
      • 0.37% fail on Ball joint dust cover
      • 0.18% fail on Ball joint
    • 2.0% fail on Suspension arms (59% better than other 2008 cars)
      • 1.6% fail on Ball joint
      • 0.18% fail on Pins and bushes
      • 0.18% fail on Ball joint dust cover
    • 1.8% fail on Springs (69% better than other 2008 cars)
      • 1.8% fail on Coil springs (69% better than other 2008 cars)
        • 1.8% fail on Coil spring (69% better than other 2008 cars)
    • 0.37% fail on Air/gas/fluid suspension (17 times worse than other 2008 cars)
      • 0.18% fail on Suspension unit
      • 0.18% fail on Bellows
    • 0.18% fail on Wheel bearings
    • 0.18% fail on Shock absorbers
    • 0.18% fail on Component mounting prescribed areas
  • 4.8% fail on Visibility
    • 3.5% fail on Washers
    • 1.8% fail on Wipers
    • 0.18% fail on Condition of glass
      • 0.18% fail on Windscreen
    • 0.18% fail on View to rear
      • 0.18% fail on Mirrors
  • 4.8% fail on Tyres
    • 2.9% fail on Tread depth
    • 1.8% fail on Condition
    • 0.18% fail on Size/type
  • 3.8% fail on Body, chassis, structure
    • 2.0% fail on Exhaust system
    • 0.37% fail on Spare wheel (32 times worse than other 2008 cars)
      • 0.18% fail on Spare wheel condition
      • 0.18% fail on Carrier
    • 0.37% fail on Transmission (87% better than other 2008 cars)
      • 0.18% fail on Drive shafts
        • 0.18% fail on Joints
      • 0.18% fail on Prop shafts
        • 0.18% fail on Joints
    • 0.18% fail on Integral vehicle structure
      • 0.18% fail on Integral vehicle structure condition
    • 0.18% fail on Chassis
      • 0.18% fail on Chassis condition
    • 0.18% fail on Fuel system
      • 0.18% fail on Fuel cap/sealing device
    • 0.18% fail on Bumpers
    • 0.18% fail on Doors
      • 0.18% fail on Other passenger's door
        • 0.18% fail on Door condition
    • 0.18% fail on Seats
      • 0.18% fail on Passenger's seat
  • 3.7% fail on Seat belts and supplementary restraint systems (130% worse than other 2008 cars)
    • 3.1% fail on SRS malfunction indicator lamp (2 times worse than other 2008 cars)
    • 0.55% fail on Seat belts
      • 0.37% fail on Condition
      • 0.18% fail on Requirements
  • 2.4% fail on Noise, emissions and leaks (56% better than other 2008 cars)
    • 2.4% fail on Exhaust emissions (54% better than other 2008 cars)
      • 1.3% fail on Spark ignition (64% better than other 2008 cars)
        • 1.1% fail on Malfunction indicator lamp
        • 0.37% fail on Emissions not tested
      • 1.1% fail on Compression ignition
        • 0.91% fail on Malfunction indicator lamp
        • 0.18% fail on Emission control equipment
          • 0.18% fail on Particulate filter
  • 2.2% fail on Steering
    • 1.6% fail on Steering linkage components
      • 1.3% fail on Track rod end
      • 0.37% fail on Ball joint
    • 0.55% fail on Steering gear
      • 0.55% fail on Steering rack
    • 0.18% fail on Power steering
      • 0.18% fail on Other components
    • 0.18% fail on Steering column
  • 1.3% fail on Identification of the vehicle
    • 1.3% fail on Registration plates

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