Mercedes-Benz S-Class MOT Results

Registered in 2006
74.9% pass rate
from 665 tests in 2020
(44% better than other 2006 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 2006 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 8.6% fail on Brakes (30% better than other 2006 cars)
    • 3.9% fail on Brake performance
      • 2.9% fail on Parking brake efficiency (sp)
        • 2.9% fail on Rbt (sp)
      • 0.90% fail on Service brake performance (65% better than other 2006 cars)
        • 0.90% fail on Rbt (64% better than other 2006 cars)
          • 0.90% fail on Service brake performance
          • 0.30% fail on Service brake imbalance
      • 0.90% fail on Parking brake performance
        • 0.90% fail on Rbt
          • 0.75% fail on Parking brake performance
          • 0.15% fail on Parking (secondary brake performance)
      • 0.15% fail on Service Brake Efficiency (sp)
        • 0.15% fail on Rbt (sp)
          • 0.15% fail on Service brake performance
          • 0.15% fail on Service brake imbalance
    • 2.3% fail on Mechanical brake components
      • 1.8% fail on Brake linings and pads
        • 1.8% fail on Brake pads
      • 0.75% fail on Brake discs and drums
        • 0.75% fail on Brake discs
    • 2.0% fail on Rigid brake pipes
    • 0.75% fail on ABS / EBS / ESC
      • 0.60% fail on Anti-lock braking system
      • 0.30% fail on Electronic stability control
      • 0.15% fail on Electronic braking system
    • 0.60% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.60% fail on Hydraulic brake callipers
    • 0.45% fail on Parking brake control
      • 0.45% fail on Electronic parking brake (5 times worse than other 2006 cars)
    • 0.30% fail on Service brake pedal or hand lever
      • 0.30% fail on Pedal
    • 0.15% fail on Hydraulic systems
      • 0.15% fail on Brake fluid
    • 0.15% fail on Flexible brake hoses
    • 0.15% fail on Other components and prescribed areas
      • 0.15% fail on Other components
  • 8.3% fail on Suspension (49% better than other 2006 cars)
    • 6.8% fail on Suspension arms
      • 3.5% fail on Ball joint
      • 2.1% fail on Ball joint dust cover (2 times worse than other 2006 cars)
      • 1.7% fail on Pins and bushes
    • 0.90% fail on Other suspension component
      • 0.60% fail on Ball joint
      • 0.30% fail on Ball joint dust cover
    • 0.60% fail on Wheel bearings
    • 0.45% fail on Shock absorbers (73% better than other 2006 cars)
    • 0.45% fail on Air/gas/fluid suspension (15 times worse than other 2006 cars)
      • 0.15% fail on Operation
      • 0.15% fail on Bellows
      • 0.15% fail on Levelling valve
    • 0.15% fail on Anti-roll bars
      • 0.15% fail on Linkage ball joints
  • 8.1% fail on Lamps, reflectors and electrical equipment (55% better than other 2006 cars)
    • 2.7% fail on Headlamp aim
      • 2.7% fail on Headlamp aim
    • 1.8% fail on Direction indicators
      • 1.8% fail on Flashing type
        • 1.4% fail on Side repeaters
        • 0.45% fail on Individual direction indicators (75% better than other 2006 cars)
    • 1.5% fail on Position lamps
      • 1.5% fail on Position lamp
    • 1.2% fail on Headlamps (74% better than other 2006 cars)
      • 1.2% fail on Headlamp (72% better than other 2006 cars)
    • 1.1% fail on Registration plate lamp(s) (60% better than other 2006 cars)
    • 0.45% fail on Stop lamp (91% better than other 2006 cars)
    • 0.30% fail on Front and rear fog lamps
      • 0.30% fail on Rear fog lamp
        • 0.30% fail on Rear fog lamp
    • 0.15% fail on Mandatory tell-tales
      • 0.15% fail on Rear fog lamp tell-tale
    • 0.15% fail on Electrical equipment
      • 0.15% fail on Battery(ies)
  • 5.0% fail on Tyres
    • 2.9% fail on Tread depth
    • 2.0% fail on Condition
    • 0.30% fail on Size/type
  • 4.2% fail on Noise, emissions and leaks
    • 4.1% fail on Exhaust emissions
      • 3.3% fail on Compression ignition (98% worse than other 2006 cars)
        • 2.9% fail on Pre 01/07/2008 Turbo (200% worse than other 2006 cars)
        • 0.45% fail on Malfunction indicator lamp
      • 0.90% fail on Spark ignition (79% better than other 2006 cars)
        • 0.90% fail on Malfunction indicator lamp
    • 0.30% fail on Fluid leaks
      • 0.15% fail on Engine oil leaks
      • 0.15% fail on Hydraulic fluid leaks
  • 2.1% fail on Visibility (69% better than other 2006 cars)
    • 1.2% fail on Washers (63% better than other 2006 cars)
    • 0.60% fail on Wipers (82% better than other 2006 cars)
    • 0.30% fail on Condition of glass
      • 0.30% fail on Windscreen
    • 0.15% fail on Bonnet
  • 1.1% fail on Road Wheels
    • 0.60% fail on Attachment
    • 0.45% fail on Condition
  • 0.90% fail on Steering (73% better than other 2006 cars)
    • 0.75% fail on Steering linkage components (70% better than other 2006 cars)
      • 0.75% fail on Track rod end (67% better than other 2006 cars)
    • 0.15% fail on Steering gear
      • 0.15% fail on Steering rack
  • 0.75% fail on Identification of the vehicle
    • 0.75% fail on Registration plates
  • 0.75% fail on Body, chassis, structure (90% better than other 2006 cars)
    • 0.45% fail on Exhaust system (83% better than other 2006 cars)
    • 0.15% fail on Fuel system
      • 0.15% fail on System
    • 0.15% fail on Transmission
      • 0.15% fail on Drive shafts
        • 0.15% fail on Joints
  • 0.45% fail on Seat belts and supplementary restraint systems (79% better than other 2006 cars)
    • 0.30% fail on SRS malfunction indicator lamp
    • 0.15% fail on Seat belts
      • 0.15% fail on Condition
Read the Honest John Review

Search Good Garages