Mercedes-Benz Viano MOT Results

Registered in 2012
72.7% pass rate
from 763 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 2012 cars and highlighted areas where the Mercedes-Benz Viano is unusually good or bad.

  • 13% fail on Lamps, reflectors and electrical equipment (44% worse than other 2012 cars)
    • 8.0% fail on Direction indicators (5 times worse than other 2012 cars)
      • 8.0% fail on Flashing type (5 times worse than other 2012 cars)
        • 5.5% fail on Side repeaters (9 times worse than other 2012 cars)
        • 2.5% fail on Individual direction indicators (2 times worse than other 2012 cars)
        • 0.13% fail on All direction indicators
    • 3.1% fail on Headlamp aim
      • 3.1% fail on Headlamp aim
    • 1.2% fail on Headlamps
      • 0.79% fail on Headlamp cleaning device (10 times worse than other 2012 cars)
      • 0.26% fail on Headlamp (87% better than other 2012 cars)
      • 0.13% fail on Headlamp levelling device
    • 1.0% fail on Stop lamp
    • 1.0% fail on Front and rear fog lamps (2 times worse than other 2012 cars)
      • 0.92% fail on Rear fog lamp (200% worse than other 2012 cars)
        • 0.92% fail on Rear fog lamp (2 times worse than other 2012 cars)
      • 0.13% fail on Front fog lamps
        • 0.13% fail on Front fog lamps
    • 0.79% fail on Position lamps
      • 0.66% fail on Position lamp
      • 0.13% fail on All position lamps
    • 0.66% fail on Registration plate lamp(s)
    • 0.39% fail on Reversing lamps
      • 0.39% fail on Reversing lamps
    • 0.13% fail on Rear reflectors
  • 7.3% fail on Brakes
    • 5.6% fail on Brake performance (2 times worse than other 2012 cars)
      • 4.1% fail on Parking brake efficiency (sp) (5 times worse than other 2012 cars)
        • 4.1% fail on Rbt (sp) (5 times worse than other 2012 cars)
      • 1.6% fail on Service brake performance
        • 1.6% fail on Rbt
          • 0.92% fail on Service brake performance
          • 0.66% fail on Service brake imbalance
      • 0.92% fail on Parking brake performance (2 times worse than other 2012 cars)
        • 0.79% fail on Rbt
          • 0.66% fail on Parking brake performance
          • 0.13% fail on Parking (secondary brake performance)
        • 0.13% fail on Plate brake tester
          • 0.13% fail on Parking (secondary brake performance)
      • 0.66% fail on Service Brake Efficiency (sp)
        • 0.66% fail on Rbt (sp)
          • 0.39% fail on Service brake imbalance
          • 0.26% fail on Service brake performance
    • 1.3% fail on Mechanical brake components (57% better than other 2012 cars)
      • 1.2% fail on Brake linings and pads
        • 1.2% fail on Brake pads
      • 0.39% fail on Brake discs and drums
        • 0.39% fail on Brake discs
    • 0.79% fail on Service brake pedal or hand lever (3 times worse than other 2012 cars)
      • 0.79% fail on Pedal (9 times worse than other 2012 cars)
    • 0.52% fail on Parking brake control
      • 0.52% fail on Lever
    • 0.26% fail on ABS / EBS / ESC
      • 0.26% fail on Electronic stability control
  • 4.6% fail on Tyres
    • 2.4% fail on Condition
    • 2.4% fail on Tread depth
  • 3.5% fail on Noise, emissions and leaks (150% worse than other 2012 cars)
    • 3.1% fail on Exhaust emissions (140% worse than other 2012 cars)
      • 2.0% fail on Compression ignition (2 times worse than other 2012 cars)
        • 1.8% fail on On or after 01/07/2008 (8 times worse than other 2012 cars)
        • 0.13% fail on Malfunction indicator lamp
      • 1.2% fail on Spark ignition
        • 1.0% fail on Malfunction indicator lamp
        • 0.13% fail on Catalyst emissions
        • 0.13% fail on Emissions not tested
    • 0.39% fail on Fluid leaks
      • 0.39% fail on Engine oil leaks (4 times worse than other 2012 cars)
    • 0.13% fail on Noise suppression
      • 0.13% fail on Undertray
  • 3.4% fail on Visibility
    • 1.8% fail on Wipers
    • 1.4% fail on Washers
    • 0.13% fail on Condition of glass
      • 0.13% fail on Windscreen
    • 0.13% fail on View to rear
      • 0.13% fail on Mirrors
  • 2.5% fail on Seat belts and supplementary restraint systems (3 times worse than other 2012 cars)
    • 2.2% fail on SRS malfunction indicator lamp (6 times worse than other 2012 cars)
    • 0.26% fail on Seat belts
      • 0.26% fail on Condition
  • 2.4% fail on Suspension (64% better than other 2012 cars)
    • 1.6% fail on Suspension arms
      • 1.2% fail on Pins and bushes
      • 0.52% fail on Ball joint
    • 1.0% fail on Anti-roll bars
      • 0.26% fail on Linkage
      • 0.26% fail on Linkage pins and bushes (9 times worse than other 2012 cars)
      • 0.26% fail on Linkage ball joint dust cover
      • 0.13% fail on Anti-roll bar
      • 0.13% fail on Ball joint dust cover
    • 0.13% fail on Springs
      • 0.13% fail on Coil springs
        • 0.13% fail on Coil spring
    • 0.13% fail on Shock absorbers
    • 0.13% fail on Air/gas/fluid suspension
      • 0.13% fail on Bellows
  • 2.1% fail on Body, chassis, structure
    • 1.7% fail on Exhaust system (170% worse than other 2012 cars)
    • 0.13% fail on Chassis
      • 0.13% fail on Strengthening plate
    • 0.13% fail on Transmission
      • 0.13% fail on Prop shafts
        • 0.13% fail on Prop shaft
    • 0.13% fail on Seats
      • 0.13% fail on Passenger's seat
  • 0.66% fail on Steering
    • 0.52% fail on Steering gear (6 times worse than other 2012 cars)
      • 0.52% fail on Steering rack (7 times worse than other 2012 cars)
    • 0.13% fail on Steering linkage components
      • 0.13% fail on Track rod end
    • 0.13% fail on Power steering
      • 0.13% fail on Other components
  • 0.39% fail on Road Wheels
    • 0.39% fail on Attachment
  • 0.26% fail on Identification of the vehicle
    • 0.26% fail on Registration plates

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