Mercedes-Benz S-Class MOT Results

Registered in 2002
64.3% pass rate
from 954 tests in 2020
(27% better than other 2002 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 2002 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 13% fail on Suspension (28% better than other 2002 cars)
    • 8.6% fail on Suspension arms (40% worse than other 2002 cars)
      • 4.5% fail on Pins and bushes (72% worse than other 2002 cars)
      • 3.9% fail on Ball joint
      • 1.4% fail on Ball joint dust cover
      • 0.10% fail on Suspension arm
    • 1.8% fail on Component mounting prescribed areas
    • 1.5% fail on Other suspension component (170% worse than other 2002 cars)
      • 1.3% fail on Ball joint (3 times worse than other 2002 cars)
      • 0.21% fail on Ball joint dust cover
    • 1.4% fail on Air/gas/fluid suspension (23 times worse than other 2002 cars)
      • 0.63% fail on Operation (38 times worse than other 2002 cars)
      • 0.63% fail on Suspension unit (36 times worse than other 2002 cars)
      • 0.10% fail on Levelling valve
    • 0.94% fail on Anti-roll bars (83% better than other 2002 cars)
      • 0.94% fail on Linkage pins and bushes
    • 0.63% fail on Wheel bearings
    • 0.63% fail on Shock absorbers
    • 0.21% fail on Sub-frames
      • 0.21% fail on Sub-frame mounting prescribed areas
    • 0.10% fail on Macpherson strut
      • 0.10% fail on Pins and bushes
    • 0.10% fail on Suspension rods
      • 0.10% fail on Pins and bushes
  • 13% fail on Lamps, reflectors and electrical equipment (39% better than other 2002 cars)
    • 3.7% fail on Direction indicators (57% worse than other 2002 cars)
      • 3.7% fail on Flashing type (57% worse than other 2002 cars)
        • 1.9% fail on Individual direction indicators
        • 1.6% fail on Side repeaters (120% worse than other 2002 cars)
        • 0.31% fail on All direction indicators
    • 2.9% fail on Headlamps (44% better than other 2002 cars)
      • 2.9% fail on Headlamp (39% better than other 2002 cars)
    • 2.8% fail on Headlamp aim (41% better than other 2002 cars)
      • 2.7% fail on Headlamp aim (39% better than other 2002 cars)
      • 0.10% fail on Headlamp aim not tested
    • 2.6% fail on Position lamps
      • 2.5% fail on Position lamp
      • 0.10% fail on All position lamps
    • 1.0% fail on Stop lamp (82% better than other 2002 cars)
    • 1.0% fail on Front and rear fog lamps
      • 0.94% fail on Rear fog lamp
        • 0.94% fail on Rear fog lamp
      • 0.10% fail on Front fog lamps
        • 0.10% fail on Front fog lamps
    • 1.0% fail on Registration plate lamp(s) (64% better than other 2002 cars)
    • 0.94% fail on Electrical equipment
      • 0.94% fail on Horn
    • 0.10% fail on Hazard warning
      • 0.10% fail on Switch
  • 11% fail on Brakes (27% better than other 2002 cars)
    • 4.3% fail on Rigid brake pipes
    • 3.8% fail on Brake performance (55% better than other 2002 cars)
      • 2.1% fail on Parking brake efficiency (sp) (51% better than other 2002 cars)
        • 2.1% fail on Rbt (sp) (48% better than other 2002 cars)
      • 1.3% fail on Service brake performance (61% better than other 2002 cars)
        • 1.3% fail on Rbt (60% better than other 2002 cars)
          • 1.0% fail on Service brake performance (60% better than other 2002 cars)
          • 0.31% fail on Service brake imbalance
      • 0.73% fail on Service Brake Efficiency (sp) (65% better than other 2002 cars)
        • 0.73% fail on Rbt (sp) (64% better than other 2002 cars)
          • 0.73% fail on Service brake performance
          • 0.21% fail on Service brake imbalance (85% better than other 2002 cars)
      • 0.42% fail on Parking brake performance (76% better than other 2002 cars)
        • 0.42% fail on Rbt (75% better than other 2002 cars)
          • 0.21% fail on Parking brake performance (86% better than other 2002 cars)
          • 0.21% fail on Parking (secondary brake performance)
      • 0.31% fail on Brake performance not tested
    • 2.8% fail on Mechanical brake components
      • 2.4% fail on Brake linings and pads
        • 2.4% fail on Brake pads
      • 0.73% fail on Brake discs and drums
        • 0.73% fail on Brake discs
    • 2.0% fail on ABS / EBS / ESC
      • 1.6% fail on Anti-lock braking system
      • 0.52% fail on Electronic stability control
    • 0.21% fail on Service brake pedal or hand lever
      • 0.10% fail on Pedal
      • 0.10% fail on Hand lever
    • 0.21% fail on Parking brake control
      • 0.21% fail on Lever
    • 0.21% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.21% fail on Hydraulic brake callipers
    • 0.10% fail on Hydraulic systems
      • 0.10% fail on Brake fluid
    • 0.10% fail on Flexible brake hoses
    • 0.10% fail on Other components and prescribed areas
      • 0.10% fail on Other components
  • 7.0% fail on Tyres
    • 4.3% fail on Tread depth
    • 2.8% fail on Condition
    • 0.21% fail on Size/type
  • 6.5% fail on Seat belts and supplementary restraint systems (68% worse than other 2002 cars)
    • 5.5% fail on SRS malfunction indicator lamp (2 times worse than other 2002 cars)
    • 1.4% fail on Seat belts
      • 0.94% fail on Prescribed areas
      • 0.31% fail on Condition
      • 0.10% fail on Requirements
  • 4.3% fail on Visibility (50% better than other 2002 cars)
    • 2.5% fail on Washers
    • 1.8% fail on Wipers (61% better than other 2002 cars)
    • 0.52% fail on View to rear
      • 0.52% fail on Mirrors
  • 2.9% fail on Body, chassis, structure (72% better than other 2002 cars)
    • 0.84% fail on Chassis
      • 0.84% fail on Chassis condition
    • 0.73% fail on Integral vehicle structure
      • 0.73% fail on Integral vehicle structure condition
    • 0.52% fail on Exhaust system (86% better than other 2002 cars)
    • 0.21% fail on Transmission (95% better than other 2002 cars)
      • 0.21% fail on Drive shafts (94% better than other 2002 cars)
        • 0.21% fail on Joints (94% better than other 2002 cars)
    • 0.21% fail on Body
      • 0.10% fail on Body condition
      • 0.10% fail on Panel
    • 0.21% fail on Undertray
    • 0.10% fail on Fuel system
      • 0.10% fail on Pipe
    • 0.10% fail on Seats
      • 0.10% fail on Driver's seat
    • 0.10% fail on Boot lid
      • 0.10% fail on Boot lid condition
    • 0.10% fail on Cabs
      • 0.10% fail on Prescribed areas
  • 2.2% fail on Steering (53% better than other 2002 cars)
    • 2.0% fail on Steering linkage components
      • 1.8% fail on Track rod end
      • 0.31% fail on Ball joint
    • 0.10% fail on Prescribed areas
    • 0.10% fail on Steering play
      • 0.10% fail on Steering rack
  • 1.9% fail on Noise, emissions and leaks (77% better than other 2002 cars)
    • 1.9% fail on Exhaust emissions (75% better than other 2002 cars)
      • 1.0% fail on Compression ignition
        • 0.73% fail on Pre 01/07/2008 Turbo
        • 0.21% fail on Pre 01/07/2008 Non turbo
        • 0.10% fail on Emissions not tested
      • 0.94% fail on Spark ignition (85% better than other 2002 cars)
        • 0.73% fail on Malfunction indicator lamp (75% better than other 2002 cars)
        • 0.21% fail on Catalyst emissions (94% better than other 2002 cars)
  • 1.2% fail on Road Wheels (170% worse than other 2002 cars)
    • 1.0% fail on Attachment (2 times worse than other 2002 cars)
    • 0.10% fail on Condition
  • 0.84% fail on Identification of the vehicle
    • 0.84% fail on Registration plates

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