Mercedes-Benz S-Class MOT Results

Registered in 2000
63.6% pass rate
from 770 tests in 2020
(21% better than other 2000 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 2000 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 14% fail on Lamps, reflectors and electrical equipment (21% better than other 2000 cars)
    • 4.9% fail on Direction indicators (110% worse than other 2000 cars)
      • 4.9% fail on Flashing type (110% worse than other 2000 cars)
        • 3.0% fail on Individual direction indicators (91% worse than other 2000 cars)
        • 2.3% fail on Side repeaters (190% worse than other 2000 cars)
    • 3.8% fail on Headlamp aim
      • 3.6% fail on Headlamp aim
      • 0.13% fail on Headlamp aim not tested
    • 2.7% fail on Headlamps
      • 2.7% fail on Headlamp
    • 1.9% fail on Position lamps
      • 1.9% fail on Position lamp
    • 1.7% fail on Registration plate lamp(s)
    • 0.91% fail on Stop lamp (82% better than other 2000 cars)
    • 0.65% fail on Electrical equipment
      • 0.52% fail on Horn
      • 0.13% fail on Battery(ies)
    • 0.39% fail on Hazard warning
      • 0.39% fail on Switch
    • 0.39% fail on Front and rear fog lamps (73% better than other 2000 cars)
      • 0.39% fail on Rear fog lamp (73% better than other 2000 cars)
        • 0.39% fail on Rear fog lamp
  • 14% fail on Suspension
    • 9.6% fail on Suspension arms (85% worse than other 2000 cars)
      • 4.5% fail on Ball joint (87% worse than other 2000 cars)
      • 4.0% fail on Pins and bushes (90% worse than other 2000 cars)
      • 3.8% fail on Ball joint dust cover (4 times worse than other 2000 cars)
      • 0.52% fail on Suspension arm
    • 4.2% fail on Component mounting prescribed areas
    • 1.0% fail on Anti-roll bars (77% better than other 2000 cars)
      • 0.39% fail on Linkage pins and bushes
      • 0.26% fail on Linkage
      • 0.26% fail on Linkage ball joints (79% better than other 2000 cars)
      • 0.13% fail on Ball joint
    • 0.91% fail on Other suspension component
      • 0.78% fail on Ball joint
      • 0.26% fail on Ball joint dust cover
    • 0.52% fail on Shock absorbers
    • 0.39% fail on Wheel bearings (75% better than other 2000 cars)
    • 0.39% fail on Air/gas/fluid suspension (6 times worse than other 2000 cars)
      • 0.13% fail on Operation
      • 0.13% fail on Suspension unit
      • 0.13% fail on Pipes
    • 0.26% fail on Springs (90% better than other 2000 cars)
      • 0.13% fail on Coil springs
        • 0.13% fail on Coil spring
      • 0.13% fail on Spring mounting prescribed areas
    • 0.13% fail on Suspension rods
      • 0.13% fail on Ball joint
    • 0.13% fail on Sub-frames
      • 0.13% fail on Sub-frame mounting prescribed areas
  • 9.4% fail on Brakes (36% better than other 2000 cars)
    • 4.3% fail on Brake performance (46% better than other 2000 cars)
      • 2.1% fail on Parking brake efficiency (sp)
        • 1.9% fail on Rbt (sp)
        • 0.13% fail on Plate brake tester (sp)
      • 1.6% fail on Service brake performance (52% better than other 2000 cars)
        • 1.6% fail on Rbt (50% better than other 2000 cars)
          • 1.0% fail on Service brake performance (59% better than other 2000 cars)
          • 0.65% fail on Service brake imbalance
      • 1.2% fail on Parking brake performance
        • 1.2% fail on Rbt
          • 0.91% fail on Parking brake performance
          • 0.26% fail on Parking (secondary brake performance)
          • 0.13% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.78% fail on Service Brake Efficiency (sp) (68% better than other 2000 cars)
        • 0.78% fail on Rbt (sp) (68% better than other 2000 cars)
          • 0.52% fail on Service brake performance
          • 0.26% fail on Service brake imbalance (84% better than other 2000 cars)
    • 3.6% fail on Rigid brake pipes
    • 2.5% fail on Mechanical brake components
      • 1.9% fail on Brake linings and pads
        • 1.9% fail on Brake pads
      • 0.65% fail on Brake discs and drums
        • 0.65% fail on Brake discs
    • 1.3% fail on ABS / EBS / ESC
      • 1.3% fail on Anti-lock braking system
      • 0.26% fail on Electronic stability control
    • 0.13% fail on Parking brake control
      • 0.13% fail on Lever
    • 0.13% fail on Hydraulic systems
      • 0.13% fail on Brake fluid
    • 0.13% fail on Flexible brake hoses
    • 0.13% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.13% fail on Hydraulic brake callipers
  • 6.9% fail on Tyres
    • 3.5% fail on Condition
    • 3.2% fail on Tread depth
    • 0.39% fail on Size/type
  • 6.4% fail on Visibility
    • 3.1% fail on Wipers
    • 3.0% fail on Washers
    • 0.78% fail on View to rear
      • 0.78% fail on Mirrors
    • 0.26% fail on Bonnet
  • 5.7% fail on Seat belts and supplementary restraint systems
    • 4.7% fail on SRS malfunction indicator lamp (190% worse than other 2000 cars)
    • 1.2% fail on Seat belts (59% better than other 2000 cars)
      • 1.2% fail on Prescribed areas
  • 4.7% fail on Body, chassis, structure (58% better than other 2000 cars)
    • 1.8% fail on Integral vehicle structure
      • 1.8% fail on Integral vehicle structure condition
    • 1.8% fail on Exhaust system (55% better than other 2000 cars)
    • 0.91% fail on Chassis
      • 0.91% fail on Chassis condition
    • 0.52% fail on Transmission (86% better than other 2000 cars)
      • 0.26% fail on Drive shafts (93% better than other 2000 cars)
        • 0.26% fail on Joints (93% better than other 2000 cars)
      • 0.26% fail on Prop shafts
        • 0.26% fail on Flexible couplings (20 times worse than other 2000 cars)
    • 0.13% fail on Fuel system
      • 0.13% fail on Pipe
    • 0.13% fail on Body
      • 0.13% fail on Panel
    • 0.13% fail on Floor
    • 0.13% fail on Boot lid
      • 0.13% fail on Boot lid condition
  • 3.8% fail on Noise, emissions and leaks (61% better than other 2000 cars)
    • 3.4% fail on Exhaust emissions (63% better than other 2000 cars)
      • 3.2% fail on Spark ignition (62% better than other 2000 cars)
        • 1.4% fail on Catalyst emissions (76% better than other 2000 cars)
        • 1.4% fail on Malfunction indicator lamp
        • 0.52% fail on Emissions not tested
      • 0.39% fail on Compression ignition
        • 0.13% fail on Pre 01/07/2008 Non turbo
        • 0.13% fail on On or after 01/01/2014
        • 0.13% fail on Malfunction indicator lamp
    • 0.52% fail on Fluid leaks
      • 0.26% fail on Engine oil leaks
      • 0.13% fail on Transmission oil leaks
      • 0.13% fail on Other leaks
  • 2.1% fail on Steering (50% better than other 2000 cars)
    • 1.8% fail on Steering linkage components
      • 1.3% fail on Track rod end
      • 0.52% fail on Ball joint
    • 0.13% fail on Steering gear
      • 0.13% fail on Steering rack
    • 0.13% fail on Steering play
      • 0.13% fail on Steering rack
  • 1.4% fail on Identification of the vehicle
    • 1.4% fail on Registration plates
  • 0.65% fail on Road Wheels
    • 0.65% fail on Attachment

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