Mercedes-Benz Viano MOT Results

Registered in 2004
53.7% pass rate
from 462 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 2004 cars and highlighted areas where the Mercedes-Benz Viano is unusually good or bad.

  • 24% fail on Lamps, reflectors and electrical equipment
    • 7.6% fail on Direction indicators (170% worse than other 2004 cars)
      • 7.6% fail on Flashing type (170% worse than other 2004 cars)
        • 4.3% fail on Individual direction indicators (140% worse than other 2004 cars)
        • 3.7% fail on Side repeaters (2 times worse than other 2004 cars)
        • 0.65% fail on All direction indicators
    • 7.1% fail on Headlamps
      • 6.9% fail on Headlamp
      • 0.22% fail on Matched pair
    • 5.4% fail on Stop lamp
    • 3.7% fail on Headlamp aim
      • 3.7% fail on Headlamp aim
      • 0.22% fail on Headlamp aim not tested
    • 3.2% fail on Registration plate lamp(s)
    • 2.6% fail on Position lamps
      • 2.4% fail on Position lamp
      • 0.22% fail on All position lamps
    • 1.5% fail on Front and rear fog lamps
      • 1.5% fail on Rear fog lamp
        • 1.5% fail on Rear fog lamp
    • 0.65% fail on Rear reflectors (9 times worse than other 2004 cars)
    • 0.43% fail on Electrical equipment
      • 0.22% fail on Trailer electrical socket
      • 0.22% fail on Horn
  • 17% fail on Suspension
    • 7.6% fail on Component mounting prescribed areas (3 times worse than other 2004 cars)
    • 6.9% fail on Anti-roll bars
      • 2.4% fail on Pins and bushes (6 times worse than other 2004 cars)
      • 1.9% fail on Linkage pins and bushes (3 times worse than other 2004 cars)
      • 1.7% fail on Linkage ball joint dust cover
      • 1.3% fail on Linkage ball joints
      • 0.43% fail on Ball joint dust cover
      • 0.22% fail on Anti-roll bar
      • 0.22% fail on Ball joint
    • 1.9% fail on Suspension arms (68% better than other 2004 cars)
      • 1.7% fail on Ball joint
      • 0.22% fail on Attachment bracket and mounting
      • 0.22% fail on Ball joint dust cover
    • 1.3% fail on Sub-frames
      • 1.3% fail on Sub-frame mounting prescribed areas (6 times worse than other 2004 cars)
    • 1.1% fail on Springs (72% better than other 2004 cars)
      • 1.1% fail on Coil springs (72% better than other 2004 cars)
        • 1.1% fail on Coil spring (72% better than other 2004 cars)
    • 0.65% fail on Shock absorbers
    • 0.22% fail on Air/gas/fluid suspension
      • 0.22% fail on Suspension unit
  • 13% fail on Body, chassis, structure (40% worse than other 2004 cars)
    • 4.3% fail on Exhaust system
    • 3.9% fail on Integral vehicle structure (6 times worse than other 2004 cars)
      • 3.9% fail on Integral vehicle structure condition (7 times worse than other 2004 cars)
    • 2.2% fail on Chassis (4 times worse than other 2004 cars)
      • 2.2% fail on Chassis condition (4 times worse than other 2004 cars)
    • 1.5% fail on Doors (2 times worse than other 2004 cars)
      • 0.87% fail on Other passenger's door
        • 0.87% fail on Door condition
      • 0.43% fail on Driver's door
        • 0.22% fail on Door condition
        • 0.22% fail on Hinge
      • 0.22% fail on Front passenger's door
        • 0.22% fail on Hinge
    • 1.1% fail on Body (2 times worse than other 2004 cars)
      • 1.1% fail on Panel (7 times worse than other 2004 cars)
      • 0.22% fail on Other body component
    • 0.65% fail on Fuel system
      • 0.22% fail on Pipe
      • 0.22% fail on Fuel cap/sealing device
      • 0.22% fail on System
    • 0.43% fail on Bumpers
    • 0.43% fail on Transmission (88% better than other 2004 cars)
      • 0.43% fail on Drive shafts (88% better than other 2004 cars)
        • 0.43% fail on Joints (87% better than other 2004 cars)
    • 0.43% fail on Floor (15 times worse than other 2004 cars)
    • 0.43% fail on Cabs (18 times worse than other 2004 cars)
      • 0.43% fail on Prescribed areas (20 times worse than other 2004 cars)
    • 0.22% fail on Spare wheel
      • 0.22% fail on Spare wheel condition
    • 0.22% fail on Load security
      • 0.22% fail on Tailgate
        • 0.22% fail on Tailgate condition
    • 0.22% fail on Seats
      • 0.22% fail on Passenger's seat
  • 13% fail on Brakes
    • 5.8% fail on Brake performance
      • 3.7% fail on Parking brake efficiency (sp)
        • 3.7% fail on Rbt (sp)
      • 1.3% fail on Service brake performance
        • 1.3% fail on Rbt
          • 1.1% fail on Service brake performance
          • 0.65% fail on Service brake imbalance
      • 1.1% fail on Parking brake performance
        • 1.1% fail on Rbt
          • 1.1% fail on Parking brake performance
          • 0.22% fail on Parking (secondary brake performance)
      • 0.65% fail on Service Brake Efficiency (sp)
        • 0.65% fail on Rbt (sp)
          • 0.43% fail on Service brake performance
          • 0.22% fail on Service brake imbalance
      • 0.43% fail on Brake performance not tested
    • 3.9% fail on Rigid brake pipes
    • 2.2% fail on Mechanical brake components
      • 1.5% fail on Brake linings and pads
        • 1.3% fail on Brake pads
        • 0.22% fail on Brake linings
      • 1.1% fail on Brake discs and drums
        • 1.1% fail on Brake discs
      • 0.22% fail on Brake cables, rods, levers and linkages
        • 0.22% fail on Lever
    • 1.7% fail on ABS / EBS / ESC
      • 1.5% fail on Anti-lock braking system
      • 0.65% fail on Electronic stability control
    • 1.5% fail on Parking brake control (180% worse than other 2004 cars)
      • 1.5% fail on Lever (200% worse than other 2004 cars)
    • 0.65% fail on Service brake pedal or hand lever
      • 0.65% fail on Hand lever
    • 0.65% fail on Flexible brake hoses
    • 0.22% fail on Other components and prescribed areas
      • 0.22% fail on Prescribed areas
        • 0.22% fail on Other braking system component
  • 10% fail on Seat belts and supplementary restraint systems (2 times worse than other 2004 cars)
    • 7.1% fail on SRS malfunction indicator lamp (3 times worse than other 2004 cars)
    • 3.2% fail on Seat belts (110% worse than other 2004 cars)
      • 2.4% fail on Prescribed areas (150% worse than other 2004 cars)
      • 0.87% fail on Condition
    • 0.22% fail on Airbags
      • 0.22% fail on Drivers airbag
  • 9.3% fail on Visibility
    • 5.2% fail on Washers
    • 4.5% fail on Wipers
    • 1.1% fail on Bonnet (4 times worse than other 2004 cars)
    • 0.43% fail on View to rear
      • 0.43% fail on Mirrors
  • 7.8% fail on Tyres
    • 4.3% fail on Tread depth
    • 3.7% fail on Condition
    • 0.65% fail on Size/type
  • 4.3% fail on Noise, emissions and leaks (46% better than other 2004 cars)
    • 4.1% fail on Exhaust emissions (46% better than other 2004 cars)
      • 2.8% fail on Compression ignition
        • 1.3% fail on Pre 01/07/2008 Turbo
        • 1.1% fail on Emissions not tested (4 times worse than other 2004 cars)
        • 0.87% fail on Malfunction indicator lamp
      • 1.3% fail on Spark ignition (78% better than other 2004 cars)
        • 0.87% fail on Malfunction indicator lamp (75% better than other 2004 cars)
        • 0.43% fail on Catalyst emissions (83% better than other 2004 cars)
        • 0.22% fail on Non catalyst emissions
    • 0.43% fail on Fluid leaks
      • 0.43% fail on Other leaks (5 times worse than other 2004 cars)
  • 3.7% fail on Steering
    • 2.6% fail on Steering linkage components
      • 2.4% fail on Track rod end
      • 0.22% fail on Ball joint
    • 0.65% fail on Steering gear
      • 0.65% fail on Steering rack
    • 0.22% fail on Prescribed areas
    • 0.22% fail on Power steering
      • 0.22% fail on Other components
    • 0.22% fail on Steering play
      • 0.22% fail on Steering rack
  • 1.3% fail on Identification of the vehicle
    • 1.3% fail on Registration plates
  • 0.43% fail on Road Wheels
    • 0.43% fail on Attachment
  • 0.22% fail on Speedometer and speed limiter
    • 0.22% fail on Speedometer

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