Mercedes-Benz S-Class MOT Results

Registered in 1993
70.9% pass rate
from 330 tests in 2020
(21% better than other 1993 cars)
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 1993 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 12% fail on Lamps, reflectors and electrical equipment
    • 3.6% fail on Headlamp aim
      • 3.0% fail on Headlamp aim
      • 0.61% fail on Headlamp aim not tested
    • 3.0% fail on Stop lamp
    • 2.7% fail on Headlamps
      • 2.1% fail on Headlamp
      • 0.61% fail on Dipswitch (9 times worse than other 1993 cars)
      • 0.61% fail on Headlamp levelling device
    • 2.4% fail on Front and rear fog lamps
      • 2.4% fail on Rear fog lamp
        • 1.8% fail on Rear fog lamp
        • 0.61% fail on Switch
    • 1.8% fail on Direction indicators
      • 1.8% fail on Flashing type
        • 0.91% fail on Individual direction indicators
        • 0.61% fail on Side repeaters
        • 0.30% fail on All direction indicators
    • 1.5% fail on Position lamps
      • 0.91% fail on Position lamp
      • 0.30% fail on All position lamps
      • 0.30% fail on Switch
    • 1.2% fail on Electrical equipment
      • 0.61% fail on Battery(ies)
      • 0.30% fail on Electrical wiring
      • 0.30% fail on Horn
    • 0.30% fail on Registration plate lamp(s)
  • 8.2% fail on Brakes
    • 3.0% fail on Brake performance (60% better than other 1993 cars)
      • 1.2% fail on Service Brake Efficiency (sp)
        • 0.91% fail on Rbt (sp)
          • 0.91% fail on Service brake performance
          • 0.30% fail on Service brake imbalance
        • 0.30% fail on Decelerometer (sp)
      • 0.91% fail on Parking brake efficiency (sp)
        • 0.91% fail on Rbt (sp)
      • 0.30% fail on Service brake performance
        • 0.30% fail on Rbt
          • 0.30% fail on Service brake performance
      • 0.30% fail on Brake performance not tested
      • 0.30% fail on Parking brake performance
        • 0.30% fail on Rbt
          • 0.30% fail on Parking brake performance
    • 2.4% fail on Rigid brake pipes
    • 2.1% fail on Mechanical brake components
      • 1.2% fail on Brake linings and pads
        • 1.2% fail on Brake pads
      • 0.61% fail on Brake discs and drums
        • 0.61% fail on Brake discs
      • 0.30% fail on Brake cables, rods, levers and linkages
        • 0.30% fail on Cable
    • 1.8% fail on ABS / EBS / ESC (2 times worse than other 1993 cars)
      • 1.8% fail on Anti-lock braking system (3 times worse than other 1993 cars)
    • 0.91% fail on Parking brake control
      • 0.91% fail on Lever
    • 0.30% fail on Air and vacuum systems
      • 0.30% fail on Servos
    • 0.30% fail on Load sensing valves
  • 6.7% fail on Visibility
    • 3.9% fail on Wipers
    • 3.3% fail on Washers
    • 1.2% fail on Bonnet (5 times worse than other 1993 cars)
  • 5.8% fail on Suspension (52% better than other 1993 cars)
    • 2.1% fail on Suspension arms
      • 1.2% fail on Pins and bushes
      • 0.61% fail on Ball joint
      • 0.61% fail on Ball joint dust cover
    • 1.5% fail on Springs
      • 1.5% fail on Coil springs
        • 1.2% fail on Coil spring
        • 0.30% fail on Mounting
    • 0.91% fail on Component mounting prescribed areas (81% better than other 1993 cars)
    • 0.61% fail on Shock absorbers
    • 0.61% fail on Anti-roll bars
      • 0.30% fail on Attachment bracket and mounting
      • 0.30% fail on Ball joint dust cover
    • 0.30% fail on Wheel bearings
    • 0.30% fail on Sub-frames
      • 0.30% fail on Sub-frame
      • 0.30% fail on Sub-frame mounting prescribed areas
  • 5.2% fail on Body, chassis, structure (52% better than other 1993 cars)
    • 3.0% fail on Exhaust system
    • 1.2% fail on Seats
      • 0.91% fail on Driver's seat
      • 0.30% fail on Passenger's seat
    • 0.61% fail on Integral vehicle structure
      • 0.61% fail on Integral vehicle structure condition
    • 0.61% fail on Boot lid (13 times worse than other 1993 cars)
      • 0.61% fail on Boot lid condition (16 times worse than other 1993 cars)
    • 0.30% fail on Chassis
      • 0.30% fail on Strengthening plate
    • 0.30% fail on Fuel system
      • 0.30% fail on System
    • 0.30% fail on Body
      • 0.30% fail on Other body component
    • 0.30% fail on Doors
      • 0.30% fail on Other passenger's door
        • 0.30% fail on Door condition
  • 5.2% fail on Noise, emissions and leaks
    • 4.8% fail on Exhaust emissions
      • 4.5% fail on Spark ignition
        • 3.6% fail on Catalyst emissions
        • 0.61% fail on Non catalyst emissions
        • 0.30% fail on Emissions not tested
      • 0.30% fail on Compression ignition
        • 0.30% fail on Pre 01/07/2008 Turbo
    • 0.30% fail on Fluid leaks
      • 0.30% fail on Other leaks
  • 4.2% fail on Steering
    • 4.2% fail on Steering linkage components
      • 3.6% fail on Track rod end (120% worse than other 1993 cars)
      • 0.61% fail on Ball joint
      • 0.30% fail on Drag link end
  • 3.6% fail on Tyres
    • 2.1% fail on Condition
    • 1.5% fail on Tread depth
  • 1.5% fail on Identification of the vehicle
    • 1.5% fail on Registration plates
  • 1.5% fail on Seat belts and supplementary restraint systems
    • 1.5% fail on Seat belts
      • 1.5% fail on Condition
  • 1.2% fail on Road Wheels (3 times worse than other 1993 cars)
    • 1.2% fail on Attachment (3 times worse than other 1993 cars)
  • 0.30% fail on Speedometer and speed limiter
    • 0.30% fail on Speedometer

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