Mercedes-Benz S-Class MOT Results

Registered in 1998
63.7% pass rate
from 248 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 1998 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 17% fail on Lamps, reflectors and electrical equipment
    • 6.5% fail on Direction indicators (160% worse than other 1998 cars)
      • 6.5% fail on Flashing type (160% worse than other 1998 cars)
        • 4.0% fail on Individual direction indicators (140% worse than other 1998 cars)
        • 2.8% fail on Side repeaters (2 times worse than other 1998 cars)
        • 0.81% fail on All direction indicators
    • 5.6% fail on Stop lamp
    • 3.6% fail on Position lamps
      • 3.6% fail on Position lamp
    • 3.2% fail on Headlamp aim
      • 3.2% fail on Headlamp aim
    • 1.6% fail on Electrical equipment
      • 0.81% fail on Electrical wiring (10 times worse than other 1998 cars)
      • 0.81% fail on Horn
    • 1.2% fail on Headlamps
      • 0.81% fail on Headlamp
      • 0.81% fail on Headlamp levelling device
    • 0.81% fail on Front and rear fog lamps
      • 0.81% fail on Rear fog lamp
        • 0.81% fail on Rear fog lamp
    • 0.40% fail on Registration plate lamp(s)
    • 0.40% fail on Mandatory tell-tales
      • 0.40% fail on Rear fog lamp tell-tale
  • 13% fail on Suspension
    • 4.0% fail on Springs (140% worse than other 1998 cars)
      • 4.0% fail on Coil springs (160% worse than other 1998 cars)
        • 4.0% fail on Coil spring (170% worse than other 1998 cars)
    • 3.2% fail on Suspension arms
      • 2.0% fail on Pins and bushes
      • 0.81% fail on Ball joint
      • 0.81% fail on Ball joint dust cover
    • 3.2% fail on Component mounting prescribed areas
    • 2.4% fail on Anti-roll bars
      • 1.2% fail on Ball joint dust cover (3 times worse than other 1998 cars)
      • 0.81% fail on Linkage ball joint dust cover
      • 0.40% fail on Linkage pins and bushes
      • 0.40% fail on Linkage ball joints
    • 1.6% fail on Wheel bearings
    • 0.81% fail on Shock absorbers
    • 0.81% fail on Other suspension component
      • 0.40% fail on Ball joint
      • 0.40% fail on Ball joint dust cover
    • 0.81% fail on Air/gas/fluid suspension (15 times worse than other 1998 cars)
      • 0.81% fail on Suspension unit (75 times worse than other 1998 cars)
    • 0.40% fail on Sub-frames
      • 0.40% fail on Pins and bushes
  • 13% fail on Brakes
    • 4.0% fail on Rigid brake pipes
    • 4.0% fail on Mechanical brake components
      • 4.0% fail on Brake linings and pads (170% worse than other 1998 cars)
        • 4.0% fail on Brake pads (170% worse than other 1998 cars)
      • 0.40% fail on Brake discs and drums
        • 0.40% fail on Brake discs
    • 3.6% fail on Brake performance
      • 1.6% fail on Parking brake efficiency (sp)
        • 1.6% fail on Rbt (sp)
      • 1.2% fail on Service brake performance
        • 1.2% fail on Rbt
          • 1.2% fail on Service brake performance
      • 1.2% fail on Service Brake Efficiency (sp)
        • 1.2% fail on Rbt (sp)
          • 0.81% fail on Service brake performance
          • 0.40% fail on Service brake imbalance
      • 0.40% fail on Parking brake performance
        • 0.40% fail on Rbt
          • 0.40% fail on Parking (secondary brake performance)
    • 3.2% fail on ABS / EBS / ESC
      • 2.8% fail on Anti-lock braking system
      • 0.40% fail on Electronic stability control
    • 0.40% fail on Service brake pedal or hand lever
      • 0.40% fail on Pedal
    • 0.40% fail on Flexible brake hoses
    • 0.40% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.40% fail on Hydraulic brake cylinder
    • 0.40% fail on Other components and prescribed areas
      • 0.40% fail on Other components
  • 8.1% fail on Visibility
    • 4.8% fail on Wipers
    • 4.0% fail on Washers
    • 1.6% fail on View to rear (4 times worse than other 1998 cars)
      • 1.2% fail on Mirrors
      • 0.40% fail on Indirect vision devices
    • 0.40% fail on Driver's view
  • 6.9% fail on Body, chassis, structure
    • 2.0% fail on Exhaust system
    • 1.6% fail on Body (2 times worse than other 1998 cars)
      • 0.81% fail on Panel
      • 0.81% fail on Other body component
    • 1.2% fail on Fuel system
      • 0.81% fail on Hose (12 times worse than other 1998 cars)
      • 0.40% fail on Fuel cap/sealing device
    • 0.81% fail on Integral vehicle structure
      • 0.81% fail on Integral vehicle structure condition
    • 0.81% fail on Transmission
      • 0.40% fail on Drive shafts
        • 0.40% fail on Joints
      • 0.40% fail on Prop shafts
        • 0.40% fail on Flexible couplings
    • 0.40% fail on Doors
      • 0.40% fail on Other passenger's door
        • 0.40% fail on Door condition
  • 6.0% fail on Noise, emissions and leaks
    • 4.8% fail on Exhaust emissions
      • 4.8% fail on Spark ignition
        • 4.4% fail on Catalyst emissions
        • 0.40% fail on Emissions not tested
    • 1.2% fail on Fluid leaks
      • 0.81% fail on Engine oil leaks
      • 0.40% fail on Transmission oil leaks
  • 4.0% fail on Tyres
    • 3.2% fail on Tread depth
    • 0.81% fail on Condition
    • 0.40% fail on Size/type
  • 2.4% fail on Seat belts and supplementary restraint systems
    • 1.2% fail on Seat belts
      • 0.40% fail on Prescribed areas
      • 0.40% fail on Condition
      • 0.40% fail on Pre-tensioners
    • 1.2% fail on SRS malfunction indicator lamp
  • 2.0% fail on Steering
    • 1.2% fail on Steering linkage components
      • 0.81% fail on Track rod end
      • 0.40% fail on Drag link end
    • 0.81% fail on Power steering
      • 0.81% fail on Pipes and hoses
      • 0.40% fail on Operation
  • 0.40% fail on Identification of the vehicle
    • 0.40% fail on Registration plates
  • 0.40% fail on Road Wheels
    • 0.40% fail on Attachment

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