Mercedes-Benz S-Class MOT Results

Registered in 2004
68.8% pass rate
from 1,071 tests in 2020
(35% better than other 2004 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 2004 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 12% fail on Lamps, reflectors and electrical equipment (42% better than other 2004 cars)
    • 3.9% fail on Direction indicators
      • 3.9% fail on Flashing type
        • 2.1% fail on Side repeaters (110% worse than other 2004 cars)
        • 1.6% fail on Individual direction indicators
        • 0.19% fail on All direction indicators
    • 3.7% fail on Headlamps (32% better than other 2004 cars)
      • 3.7% fail on Headlamp
    • 2.2% fail on Headlamp aim (51% better than other 2004 cars)
      • 2.1% fail on Headlamp aim (49% better than other 2004 cars)
      • 0.093% fail on Headlamp aim not tested
    • 1.3% fail on Position lamps (61% better than other 2004 cars)
      • 1.3% fail on Position lamp (60% better than other 2004 cars)
    • 0.75% fail on Electrical equipment
      • 0.56% fail on Horn
      • 0.093% fail on Trailer electrical socket
      • 0.093% fail on Battery(ies)
    • 0.56% fail on Registration plate lamp(s) (81% better than other 2004 cars)
    • 0.47% fail on Stop lamp (91% better than other 2004 cars)
    • 0.28% fail on Front and rear fog lamps (77% better than other 2004 cars)
      • 0.28% fail on Rear fog lamp (77% better than other 2004 cars)
        • 0.28% fail on Rear fog lamp (77% better than other 2004 cars)
  • 9.8% fail on Suspension (46% better than other 2004 cars)
    • 8.0% fail on Suspension arms
      • 4.7% fail on Ball joint (66% worse than other 2004 cars)
      • 3.1% fail on Pins and bushes
      • 1.6% fail on Ball joint dust cover
      • 0.093% fail on Suspension arm
      • 0.093% fail on Attachment bracket and mounting
    • 0.75% fail on Anti-roll bars (88% better than other 2004 cars)
      • 0.47% fail on Linkage pins and bushes
      • 0.093% fail on Pins and bushes
      • 0.093% fail on Ball joint
      • 0.093% fail on Linkage ball joints
      • 0.093% fail on Linkage ball joint dust cover
    • 0.75% fail on Other suspension component
      • 0.56% fail on Ball joint
      • 0.19% fail on Ball joint dust cover
    • 0.65% fail on Air/gas/fluid suspension (16 times worse than other 2004 cars)
      • 0.47% fail on Operation (29 times worse than other 2004 cars)
      • 0.28% fail on Suspension unit (29 times worse than other 2004 cars)
    • 0.56% fail on Shock absorbers (62% better than other 2004 cars)
    • 0.47% fail on Wheel bearings (71% better than other 2004 cars)
    • 0.28% fail on Component mounting prescribed areas (84% better than other 2004 cars)
    • 0.093% fail on Springs
      • 0.093% fail on Coil springs
        • 0.093% fail on Coil spring
    • 0.093% fail on Macpherson strut
      • 0.093% fail on Ball joint
    • 0.093% fail on Suspension rods
      • 0.093% fail on Pins and bushes
  • 7.6% fail on Brakes (48% better than other 2004 cars)
    • 3.3% fail on Rigid brake pipes
    • 2.9% fail on Brake performance (62% better than other 2004 cars)
      • 1.5% fail on Parking brake efficiency (sp) (66% better than other 2004 cars)
        • 1.5% fail on Rbt (sp) (64% better than other 2004 cars)
      • 0.93% fail on Service brake performance (68% better than other 2004 cars)
        • 0.93% fail on Rbt (68% better than other 2004 cars)
          • 0.56% fail on Service brake performance (77% better than other 2004 cars)
          • 0.37% fail on Service brake imbalance
      • 0.75% fail on Parking brake performance (60% better than other 2004 cars)
        • 0.65% fail on Rbt (63% better than other 2004 cars)
          • 0.65% fail on Parking brake performance
        • 0.093% fail on Plate brake tester
          • 0.093% fail on Parking (secondary brake performance)
      • 0.37% fail on Service Brake Efficiency (sp)
        • 0.37% fail on Rbt (sp)
          • 0.28% fail on Service brake performance
          • 0.093% fail on Service brake imbalance
      • 0.093% fail on Brake performance not tested
    • 1.9% fail on Mechanical brake components (48% better than other 2004 cars)
      • 1.7% fail on Brake linings and pads
        • 1.7% fail on Brake pads
      • 0.19% fail on Brake discs and drums (85% better than other 2004 cars)
        • 0.19% fail on Brake discs (85% better than other 2004 cars)
      • 0.093% fail on Brake cables, rods, levers and linkages
        • 0.093% fail on Brake slack adjuster
    • 0.75% fail on ABS / EBS / ESC
      • 0.75% fail on Anti-lock braking system
      • 0.19% fail on Electronic stability control
    • 0.19% fail on Flexible brake hoses
    • 0.093% fail on Parking brake control
      • 0.093% fail on Lever
    • 0.093% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.093% fail on Hydraulic brake callipers
  • 7.4% fail on Tyres
    • 3.9% fail on Tread depth
    • 3.5% fail on Condition
    • 0.37% fail on Size/type
  • 4.3% fail on Visibility (47% better than other 2004 cars)
    • 2.6% fail on Washers
    • 1.1% fail on Wipers (73% better than other 2004 cars)
    • 0.37% fail on View to rear
      • 0.37% fail on Mirrors
    • 0.19% fail on Bonnet
    • 0.19% fail on Condition of glass
      • 0.19% fail on Windscreen
    • 0.093% fail on Driver's view
  • 2.8% fail on Seat belts and supplementary restraint systems
    • 2.4% fail on SRS malfunction indicator lamp
    • 0.37% fail on Seat belts (76% better than other 2004 cars)
      • 0.28% fail on Condition
      • 0.093% fail on Requirements
  • 2.6% fail on Steering (47% better than other 2004 cars)
    • 2.2% fail on Steering linkage components (40% better than other 2004 cars)
      • 2.1% fail on Track rod end
      • 0.093% fail on Steering arm
    • 0.093% fail on Steering gear
      • 0.093% fail on Steering rack
    • 0.093% fail on Power steering
      • 0.093% fail on Operation
    • 0.093% fail on Steering play
      • 0.093% fail on Steering rack
    • 0.093% fail on Electronic power steering
  • 1.7% fail on Body, chassis, structure (82% better than other 2004 cars)
    • 0.75% fail on Exhaust system (78% better than other 2004 cars)
    • 0.47% fail on Fuel system
      • 0.28% fail on System
      • 0.19% fail on Fuel cap/sealing device
    • 0.093% fail on Integral vehicle structure
      • 0.093% fail on Integral vehicle structure condition
    • 0.093% fail on Bumpers
    • 0.093% fail on Body
      • 0.093% fail on Body condition
    • 0.093% fail on Seats
      • 0.093% fail on Driver's seat
    • 0.093% fail on Boot lid
      • 0.093% fail on Boot lid condition
  • 1.5% fail on Noise, emissions and leaks (81% better than other 2004 cars)
    • 1.4% fail on Exhaust emissions (82% better than other 2004 cars)
      • 0.75% fail on Spark ignition (88% better than other 2004 cars)
        • 0.56% fail on Malfunction indicator lamp (84% better than other 2004 cars)
        • 0.28% fail on Emissions not tested
        • 0.093% fail on Catalyst emissions
      • 0.65% fail on Compression ignition (61% better than other 2004 cars)
        • 0.56% fail on Pre 01/07/2008 Turbo
        • 0.093% fail on Emissions not tested
    • 0.093% fail on Fluid leaks
      • 0.093% fail on Other leaks
  • 0.93% fail on Road Wheels
    • 0.84% fail on Attachment
    • 0.093% fail on Condition
  • 0.65% fail on Identification of the vehicle
    • 0.65% fail on Registration plates
  • 0.093% fail on Speedometer and speed limiter
    • 0.093% fail on Speedometer

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