Mercedes-Benz S-Class MOT Results

Registered in 1997
69.2% pass rate
from 208 tests in 2020
(24% better than other 1997 cars)
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 1997 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 14% fail on Lamps, reflectors and electrical equipment
    • 7.2% fail on Direction indicators (170% worse than other 1997 cars)
      • 7.2% fail on Flashing type (170% worse than other 1997 cars)
        • 4.8% fail on Individual direction indicators (190% worse than other 1997 cars)
        • 1.4% fail on Side repeaters
        • 0.96% fail on All direction indicators
    • 4.8% fail on Stop lamp
    • 1.9% fail on Headlamps
      • 1.9% fail on Headlamp
    • 1.4% fail on Headlamp aim
      • 1.4% fail on Headlamp aim
    • 0.96% fail on Front and rear fog lamps
      • 0.96% fail on Rear fog lamp
        • 0.96% fail on Rear fog lamp
    • 0.96% fail on Mandatory tell-tales (4 times worse than other 1997 cars)
      • 0.96% fail on Main beam tell-tale (18 times worse than other 1997 cars)
    • 0.48% fail on Electrical equipment
      • 0.48% fail on Electrical wiring
  • 13% fail on Suspension
    • 5.8% fail on Anti-roll bars
      • 3.4% fail on Linkage ball joint dust cover (6 times worse than other 1997 cars)
      • 1.4% fail on Linkage ball joints
      • 0.96% fail on Ball joint dust cover
    • 3.4% fail on Springs
      • 3.4% fail on Coil springs (170% worse than other 1997 cars)
        • 3.4% fail on Coil spring (180% worse than other 1997 cars)
    • 3.4% fail on Suspension arms
      • 1.4% fail on Pins and bushes
      • 0.96% fail on Ball joint dust cover
      • 0.48% fail on Suspension arm
      • 0.48% fail on Ball joint
    • 1.9% fail on Shock absorbers
    • 0.96% fail on Component mounting prescribed areas (81% better than other 1997 cars)
    • 0.48% fail on Wheel bearings
    • 0.48% fail on Other suspension component
      • 0.48% fail on Ball joint
  • 11% fail on Visibility
    • 5.3% fail on Wipers
    • 4.3% fail on Washers
    • 0.96% fail on View to rear
      • 0.96% fail on Mirrors
  • 8.7% fail on Brakes
    • 2.9% fail on Brake performance (63% better than other 1997 cars)
      • 1.9% fail on Parking brake efficiency (sp)
        • 1.9% fail on Rbt (sp)
      • 1.4% fail on Service Brake Efficiency (sp)
        • 1.4% fail on Rbt (sp)
          • 1.4% fail on Service brake performance
      • 0.96% fail on Parking brake performance
        • 0.96% fail on Rbt
          • 0.48% fail on Parking brake performance
          • 0.48% fail on Parking (secondary brake performance)
      • 0.48% fail on Service brake performance
        • 0.48% fail on Rbt
          • 0.48% fail on Service brake imbalance
    • 2.4% fail on Mechanical brake components
      • 2.4% fail on Brake linings and pads
        • 2.4% fail on Brake pads
      • 0.48% fail on Brake discs and drums
        • 0.48% fail on Brake discs
    • 1.9% fail on Rigid brake pipes
    • 1.9% fail on ABS / EBS / ESC
      • 1.4% fail on Anti-lock braking system
      • 0.48% fail on Electronic stability control
    • 0.96% fail on Flexible brake hoses
    • 0.48% fail on Service brake pedal or hand lever
      • 0.48% fail on Pedal
  • 5.3% fail on Tyres
    • 2.9% fail on Condition
    • 2.4% fail on Tread depth
    • 0.48% fail on Size/type
  • 4.8% fail on Noise, emissions and leaks
    • 3.4% fail on Exhaust emissions
      • 3.4% fail on Spark ignition
        • 2.4% fail on Catalyst emissions
        • 0.96% fail on Emissions not tested
    • 1.9% fail on Fluid leaks
      • 0.96% fail on Engine oil leaks
      • 0.48% fail on Transmission oil leaks
      • 0.48% fail on Other leaks
  • 3.4% fail on Body, chassis, structure (69% better than other 1997 cars)
    • 0.96% fail on Integral vehicle structure
      • 0.96% fail on Integral vehicle structure condition
    • 0.96% fail on Transmission
      • 0.48% fail on Drive shafts
        • 0.48% fail on Joints
      • 0.48% fail on Prop shafts
        • 0.48% fail on Flexible couplings
    • 0.48% fail on Exhaust system
    • 0.48% fail on Fuel system
      • 0.48% fail on Pipe
    • 0.48% fail on Bumpers
  • 3.4% fail on Seat belts and supplementary restraint systems
    • 1.9% fail on SRS malfunction indicator lamp
    • 1.4% fail on Seat belts
      • 0.96% fail on Condition
      • 0.48% fail on Prescribed areas
  • 1.4% fail on Steering
    • 0.96% fail on Steering gear
      • 0.96% fail on Steering box (11 times worse than other 1997 cars)
    • 0.48% fail on Power steering
      • 0.48% fail on Other components

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