Mercedes-Benz S-Class MOT Results

Registered in 2003
66.0% pass rate
from 1,251 tests in 2017
(30% better than other 2003 cars)
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 2003 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 13% fail on Lamps, Reflectors and Electrical Equipment (50% better than other 2003 cars)
    • 4.0% fail on Position lamps (44% better than other 2003 cars)
      • 2.9% fail on Front lamps (47% better than other 2003 cars)
      • 1.2% fail on Rear lamps
    • 3.0% fail on Registration plate lamp (57% better than other 2003 cars)
    • 3.0% fail on Direction indicators
      • 3.0% fail on Flashing type
        • 1.8% fail on Side repeaters (130% worse than other 2003 cars)
        • 1.0% fail on Individual lamps
        • 0.16% fail on All direction indicators
    • 2.9% fail on Headlamps (41% better than other 2003 cars)
      • 2.5% fail on Headlamp (47% better than other 2003 cars)
      • 0.32% fail on Headlamp defects which don't require an aim check on retest
        • 0.16% fail on Headlamp cleaning device
        • 0.16% fail on Main beam 'tell-tale' (7 times worse than other 2003 cars)
      • 0.16% fail on Headlamp defects which do require an aim check on retest
        • 0.16% fail on Headlamp cleaning device (6 times worse than other 2003 cars)
    • 2.9% fail on Headlamp aim (63% better than other 2003 cars)
    • 0.88% fail on Rear fog lamp
      • 0.88% fail on Fog lamp
      • 0.080% fail on Tell tale
      • 0.080% fail on Switch
    • 0.64% fail on Horn
    • 0.40% fail on Stop lamp (93% better than other 2003 cars)
    • 0.080% fail on Hazard warning
      • 0.080% fail on Switch
  • 12% fail on Suspension (40% better than other 2003 cars)
    • 7.1% fail on Suspension arms (54% worse than other 2003 cars)
      • 7.0% fail on Pins/bushes/ball joints (62% worse than other 2003 cars)
      • 0.080% fail on Attachment
    • 2.3% fail on Front suspension joints
    • 1.4% fail on Shock absorbers
      • 1.4% fail on Condition
    • 1.3% fail on Anti-roll bars (77% better than other 2003 cars)
      • 0.72% fail on Linkage pins/bushes/ball joints (82% better than other 2003 cars)
      • 0.32% fail on Pins/bushes/ball joints
      • 0.16% fail on Attachment
      • 0.16% fail on Linkage condition
    • 0.88% fail on Wheel bearings
      • 0.72% fail on Front
      • 0.16% fail on Rear (85% better than other 2003 cars)
    • 0.48% fail on Radius arms (4 times worse than other 2003 cars)
      • 0.48% fail on Pins/bushes/ball joints (4 times worse than other 2003 cars)
    • 0.24% fail on Air suspension (15 times worse than other 2003 cars)
      • 0.080% fail on Operation
      • 0.080% fail on Suspension unit
      • 0.080% fail on Other components
    • 0.24% fail on Tie bars/rods
      • 0.24% fail on Pins/bushes/ball joints
    • 0.16% fail on Trailing arms
      • 0.080% fail on Condition
      • 0.080% fail on Pins/bushes/ball joints
    • 0.16% fail on Prescribed areas (92% better than other 2003 cars)
      • 0.080% fail on Component mounting
      • 0.080% fail on Subframe mounting
    • 0.080% fail on Gas suspension
      • 0.080% fail on Suspension unit
    • 0.080% fail on Torsion bars
      • 0.080% fail on Attachment
    • 0.080% fail on Torque/reaction arms
      • 0.080% fail on Pins/bushes/ball joints
    • 0.080% fail on Drive shafts
      • 0.080% fail on Any drive shaft which is part of the suspension
        • 0.080% fail on Drive shafts
  • 11% fail on Brakes (33% better than other 2003 cars)
    • 4.7% fail on Brake performance (42% better than other 2003 cars)
      • 2.7% fail on Parking brake performance (37% better than other 2003 cars)
      • 1.8% fail on Rear wheels (51% better than other 2003 cars)
      • 0.80% fail on Front wheels (66% better than other 2003 cars)
      • 0.40% fail on Service brake performance
      • 0.32% fail on Brake performance not tested
      • 0.080% fail on Brake imbalance
    • 4.6% fail on Hydraulic systems
      • 4.2% fail on Components
        • 3.8% fail on Pipes
        • 0.56% fail on Hoses
        • 0.080% fail on Reservoirs
      • 0.40% fail on Leaks
      • 0.16% fail on Brake fluid warning lamp
    • 2.1% fail on Hub components
      • 1.9% fail on Brake pads
      • 0.24% fail on Brake discs (74% better than other 2003 cars)
      • 0.080% fail on Brake calipers
    • 0.64% fail on Parking brake
      • 0.64% fail on Condition
    • 0.56% fail on ABS
    • 0.48% fail on Electronic stability system
    • 0.080% fail on Service brake control components
      • 0.080% fail on Pedal
        • 0.080% fail on Anti-slip
    • 0.080% fail on Restricted movement
  • 9.0% fail on Tyres
    • 6.1% fail on Tread depth
    • 3.5% fail on Condition
    • 0.32% fail on Size/type
    • 0.16% fail on Tyre pressure monitoring system
    • 0.080% fail on Valve stem
  • 4.1% fail on Seat Belts and Supplementary Restraint Systems
    • 3.3% fail on Supplementary restraint systems (120% worse than other 2003 cars)
      • 3.2% fail on SRS Malfunction Indicator Lamp (130% worse than other 2003 cars)
      • 0.080% fail on Drivers airbag
    • 0.80% fail on Seat belts (57% better than other 2003 cars)
      • 0.72% fail on Condition
      • 0.080% fail on Prescribed areas
  • 3.6% fail on Driver's view of the road (60% better than other 2003 cars)
    • 1.9% fail on Washers (46% better than other 2003 cars)
    • 1.1% fail on Wipers (78% better than other 2003 cars)
    • 0.56% fail on Windscreen
    • 0.32% fail on Mirrors
  • 3.2% fail on Steering (37% better than other 2003 cars)
    • 3.1% fail on Steering system
      • 2.2% fail on Track rod end
      • 0.48% fail on Ball joint
      • 0.40% fail on Steering rack
      • 0.080% fail on Free play
        • 0.080% fail on Steering rack
      • 0.080% fail on Steering arm
    • 0.080% fail on Steering control
      • 0.080% fail on Steering lock
  • 2.8% fail on Exhaust, Fuel and Emissions (63% better than other 2003 cars)
    • 1.4% fail on Exhaust system (67% better than other 2003 cars)
    • 0.72% fail on Fuel system
      • 0.64% fail on System (160% worse than other 2003 cars)
      • 0.080% fail on Cap
    • 0.40% fail on Emissions (88% better than other 2003 cars)
    • 0.24% fail on Emissions not tested
  • 0.96% fail on Road Wheels
    • 0.96% fail on Attachment (180% worse than other 2003 cars)
  • 0.72% fail on Registration plates and VIN
    • 0.72% fail on Registration plate
  • 0.48% fail on Body, Structure and General Items (78% better than other 2003 cars)
    • 0.16% fail on Vehicle structure
      • 0.16% fail on Chassis
    • 0.16% fail on Body condition (81% better than other 2003 cars)
    • 0.16% fail on Seats
      • 0.16% fail on Drivers

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