Mercedes-Benz S-Class MOT Results

Registered in 2003
67.7% pass rate
from 1,192 tests in 2020
(33% 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 Suspension (28% better than other 2003 cars)
    • 8.9% fail on Suspension arms (41% worse than other 2003 cars)
      • 5.1% fail on Ball joint (78% worse than other 2003 cars)
      • 2.6% fail on Pins and bushes
      • 2.6% fail on Ball joint dust cover (140% worse than other 2003 cars)
      • 0.084% fail on Suspension arm
    • 1.9% fail on Other suspension component (2 times worse than other 2003 cars)
      • 1.7% fail on Ball joint (4 times worse than other 2003 cars)
      • 0.34% fail on Ball joint dust cover
      • 0.084% fail on Attachment bracket and mounting
      • 0.084% fail on Pins and bushes
    • 1.1% fail on Shock absorbers
    • 1.0% fail on Anti-roll bars (82% better than other 2003 cars)
      • 0.50% fail on Linkage pins and bushes
      • 0.17% fail on Pins and bushes
      • 0.17% fail on Linkage
      • 0.17% fail on Linkage ball joints (91% better than other 2003 cars)
    • 0.92% fail on Component mounting prescribed areas (59% better than other 2003 cars)
    • 0.59% fail on Wheel bearings (64% better than other 2003 cars)
    • 0.50% fail on Air/gas/fluid suspension (8 times worse than other 2003 cars)
      • 0.34% fail on Suspension unit (21 times worse than other 2003 cars)
      • 0.084% fail on Operation
      • 0.084% fail on Bellows
    • 0.25% fail on Suspension rods
      • 0.084% fail on Suspension rod
      • 0.084% fail on Pins and bushes
      • 0.084% fail on Ball joint
    • 0.084% fail on Macpherson strut
      • 0.084% fail on Ball joint
    • 0.084% fail on Sub-frames
      • 0.084% fail on Pins and bushes
  • 10% fail on Lamps, reflectors and electrical equipment (50% better than other 2003 cars)
    • 3.5% fail on Direction indicators
      • 3.5% fail on Flashing type
        • 1.9% fail on Side repeaters (150% worse than other 2003 cars)
        • 1.4% fail on Individual direction indicators
        • 0.17% fail on All direction indicators
    • 3.0% fail on Headlamps (45% better than other 2003 cars)
      • 2.9% fail on Headlamp (42% better than other 2003 cars)
      • 0.084% fail on Headlamp levelling device
    • 2.1% fail on Headlamp aim (57% better than other 2003 cars)
      • 2.0% fail on Headlamp aim (55% better than other 2003 cars)
      • 0.084% fail on Headlamp aim not tested
    • 1.3% fail on Position lamps (63% better than other 2003 cars)
      • 1.3% fail on Position lamp (62% better than other 2003 cars)
    • 0.84% fail on Registration plate lamp(s) (73% better than other 2003 cars)
    • 0.59% fail on Electrical equipment
      • 0.59% fail on Horn
    • 0.25% fail on Stop lamp (95% better than other 2003 cars)
    • 0.17% fail on Front and rear fog lamps (88% better than other 2003 cars)
      • 0.17% fail on Rear fog lamp (88% better than other 2003 cars)
        • 0.17% fail on Rear fog lamp (88% better than other 2003 cars)
  • 9.6% fail on Brakes (37% better than other 2003 cars)
    • 3.9% fail on Brake performance (50% better than other 2003 cars)
      • 2.4% fail on Parking brake efficiency (sp) (43% better than other 2003 cars)
        • 2.4% fail on Rbt (sp) (39% better than other 2003 cars)
      • 1.0% fail on Service brake performance (67% better than other 2003 cars)
        • 1.0% fail on Rbt (66% better than other 2003 cars)
          • 0.84% fail on Service brake performance (65% better than other 2003 cars)
          • 0.17% fail on Service brake imbalance
      • 0.59% fail on Parking brake performance (67% better than other 2003 cars)
        • 0.59% fail on Rbt (66% better than other 2003 cars)
          • 0.50% fail on Parking brake performance (67% better than other 2003 cars)
          • 0.084% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.42% fail on Brake performance not tested
      • 0.17% fail on Service Brake Efficiency (sp) (90% better than other 2003 cars)
        • 0.17% fail on Rbt (sp) (90% better than other 2003 cars)
          • 0.17% fail on Service brake performance
    • 3.7% fail on Rigid brake pipes
    • 2.7% fail on Mechanical brake components
      • 2.2% fail on Brake linings and pads
        • 2.2% fail on Brake pads
      • 0.50% fail on Brake discs and drums
        • 0.50% fail on Brake discs
      • 0.17% fail on Brake cables, rods, levers and linkages
        • 0.17% fail on Cable
    • 0.76% fail on ABS / EBS / ESC
      • 0.67% fail on Anti-lock braking system
      • 0.17% fail on Electronic stability control
    • 0.17% fail on Parking brake control
      • 0.17% fail on Lever
    • 0.17% fail on Hydraulic systems
      • 0.17% fail on Brake fluid
    • 0.17% fail on Flexible brake hoses
    • 0.084% fail on Service brake pedal or hand lever
      • 0.084% fail on Pedal
  • 7.2% fail on Tyres
    • 4.7% fail on Tread depth
    • 2.3% fail on Condition
    • 0.42% fail on Size/type
  • 4.0% fail on Seat belts and supplementary restraint systems
    • 3.5% fail on SRS malfunction indicator lamp (140% worse than other 2003 cars)
    • 0.76% fail on Seat belts (57% better than other 2003 cars)
      • 0.50% fail on Condition
      • 0.084% fail on Prescribed areas
      • 0.084% fail on Requirements
      • 0.084% fail on Pre-tensioners
  • 3.6% fail on Visibility (57% better than other 2003 cars)
    • 1.8% fail on Washers (52% better than other 2003 cars)
    • 1.1% fail on Wipers (75% better than other 2003 cars)
    • 0.59% fail on View to rear
      • 0.59% fail on Mirrors
    • 0.34% fail on Driver's view
  • 2.7% fail on Steering (45% better than other 2003 cars)
    • 2.5% fail on Steering linkage components
      • 2.2% fail on Track rod end
      • 0.17% fail on Ball joint
      • 0.17% fail on Drag link end
      • 0.084% fail on Other components
        • 0.084% fail on Steering linkage
    • 0.17% fail on Steering gear (79% better than other 2003 cars)
      • 0.17% fail on Steering rack
    • 0.084% fail on Steering play
      • 0.084% fail on Steering rack
  • 2.6% fail on Noise, emissions and leaks (69% better than other 2003 cars)
    • 2.4% fail on Exhaust emissions (69% better than other 2003 cars)
      • 1.8% fail on Compression ignition
        • 1.4% fail on Pre 01/07/2008 Turbo (97% worse than other 2003 cars)
        • 0.17% fail on Malfunction indicator lamp
        • 0.17% fail on Emissions not tested
        • 0.084% fail on Pre 01/07/2008 Non turbo
      • 0.67% fail on Spark ignition (90% better than other 2003 cars)
        • 0.42% fail on Malfunction indicator lamp (88% better than other 2003 cars)
        • 0.25% fail on Catalyst emissions (92% better than other 2003 cars)
        • 0.084% fail on Emissions not tested
    • 0.17% fail on Fluid leaks
      • 0.17% fail on Engine oil leaks
  • 2.2% fail on Body, chassis, structure (78% better than other 2003 cars)
    • 0.67% fail on Exhaust system (82% better than other 2003 cars)
    • 0.50% fail on Fuel system
      • 0.17% fail on Hose
      • 0.17% fail on Pipe
      • 0.17% fail on Fuel cap/sealing device
    • 0.25% fail on Integral vehicle structure
      • 0.25% fail on Integral vehicle structure condition
    • 0.25% fail on Chassis
      • 0.25% fail on Chassis condition
    • 0.17% fail on Transmission (95% better than other 2003 cars)
      • 0.084% fail on Drive shafts
        • 0.084% fail on Joints
      • 0.084% fail on Prop shafts
        • 0.084% fail on Prop shaft
    • 0.17% fail on Seats
      • 0.17% fail on Driver's seat
    • 0.084% fail on Bumpers
    • 0.084% fail on Body
      • 0.084% fail on Other body component
  • 1.3% fail on Road Wheels (190% worse than other 2003 cars)
    • 1.3% fail on Attachment (2 times worse than other 2003 cars)
    • 0.084% fail on Condition
  • 0.67% fail on Identification of the vehicle
    • 0.67% fail on Registration plates
  • 0.084% fail on Seat belt installation check
    • 0.084% fail on Belt(s)/padding

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