Mercedes-Benz S-Class MOT Results

Registered in 1994
67.1% pass rate
from 76 tests in 2020
(3.6% better than other 1994 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 1994 cars and highlighted areas where the Mercedes-Benz S-Class is unusually good or bad.

  • 16% fail on Lamps, reflectors and electrical equipment (10% worse than other 1994 cars)
    • 6.6% fail on Headlamp aim (92% worse than other 1994 cars)
      • 6.6% fail on Headlamp aim (110% worse than other 1994 cars)
    • 5.3% fail on Direction indicators (96% worse than other 1994 cars)
      • 5.3% fail on Flashing type (96% worse than other 1994 cars)
        • 2.6% fail on Individual direction indicators (58% worse than other 1994 cars)
        • 2.6% fail on Side repeaters (200% worse than other 1994 cars)
    • 2.6% fail on Headlamps (8.8% better than other 1994 cars)
      • 2.6% fail on Headlamp (3.4% better than other 1994 cars)
    • 1.3% fail on Stop lamp
    • 1.3% fail on Front and rear fog lamps
      • 1.3% fail on Rear fog lamp
        • 1.3% fail on Switch
    • 1.3% fail on Electrical equipment
      • 1.3% fail on Horn
  • 11% fail on Suspension (8.8% better than other 1994 cars)
    • 3.9% fail on Anti-roll bars (110% worse than other 1994 cars)
      • 2.6% fail on Linkage ball joint dust cover (9 times worse than other 1994 cars)
      • 1.3% fail on Linkage ball joints
    • 2.6% fail on Springs (140% worse than other 1994 cars)
      • 2.6% fail on Coil springs (2 times worse than other 1994 cars)
        • 2.6% fail on Coil spring (2 times worse than other 1994 cars)
    • 2.6% fail on Suspension arms (5.5% better than other 1994 cars)
      • 1.3% fail on Pins and bushes
      • 1.3% fail on Ball joint dust cover
    • 2.6% fail on Component mounting prescribed areas (40% better than other 1994 cars)
    • 1.3% fail on Wheel bearings
    • 1.3% fail on Shock absorbers
    • 1.3% fail on Suspension rods
      • 1.3% fail on Pins and bushes
    • 1.3% fail on Sub-frames
      • 1.3% fail on Sub-frame
  • 7.9% fail on Brakes (28% better than other 1994 cars)
    • 5.3% fail on Brake performance (24% better than other 1994 cars)
      • 2.6% fail on Service brake performance (1.8% worse than other 1994 cars)
        • 2.6% fail on Rbt (5.4% worse than other 1994 cars)
          • 2.6% fail on Service brake imbalance (4 times worse than other 1994 cars)
      • 1.3% fail on Service Brake Efficiency (sp)
        • 1.3% fail on Rbt (sp)
          • 1.3% fail on Service brake performance
      • 1.3% fail on Parking brake efficiency (sp)
        • 1.3% fail on Rbt (sp)
    • 3.9% fail on Rigid brake pipes (58% worse than other 1994 cars)
  • 7.9% fail on Steering (84% worse than other 1994 cars)
    • 6.6% fail on Steering linkage components (160% worse than other 1994 cars)
      • 2.6% fail on Ball joint (5 times worse than other 1994 cars)
      • 2.6% fail on Track rod end (62% worse than other 1994 cars)
      • 1.3% fail on Drag link end
    • 1.3% fail on Power steering
      • 1.3% fail on Operation
      • 1.3% fail on Other components
  • 6.6% fail on Noise, emissions and leaks (9.3% better than other 1994 cars)
    • 3.9% fail on Exhaust emissions (41% better than other 1994 cars)
      • 3.9% fail on Spark ignition (35% better than other 1994 cars)
        • 2.6% fail on Catalyst emissions (43% better than other 1994 cars)
        • 1.3% fail on Emissions not tested
    • 2.6% fail on Fluid leaks (2 times worse than other 1994 cars)
      • 2.6% fail on Other leaks (33 times worse than other 1994 cars)
  • 5.3% fail on Visibility (18% better than other 1994 cars)
    • 3.9% fail on Washers (29% worse than other 1994 cars)
    • 1.3% fail on Wipers
  • 3.9% fail on Body, chassis, structure (61% better than other 1994 cars)
    • 3.9% fail on Exhaust system (28% worse than other 1994 cars)
    • 1.3% fail on Body
      • 1.3% fail on Panel
    • 1.3% fail on Doors
      • 1.3% fail on Other passenger's door
        • 1.3% fail on Door condition
    • 1.3% fail on Boot lid
      • 1.3% fail on Boot lid condition
  • 1.3% fail on Identification of the vehicle
    • 1.3% fail on Registration plates
  • 1.3% fail on Seat belts and supplementary restraint systems
    • 1.3% fail on Seat belts
      • 1.3% fail on Prescribed areas

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