Mercedes-Benz SL MOT Results

Registered in 2005
82.8% pass rate
from 1,299 tests in 2021
(61% better than other 2005 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 2005 cars and highlighted areas where the Mercedes-Benz SL is unusually good or bad.

  • 6.7% fail on Suspension (61% better than other 2005 cars)
    • 3.8% fail on Springs
      • 3.8% fail on Coil springs
        • 3.8% fail on Coil spring
    • 2.2% fail on Suspension arms (63% better than other 2005 cars)
      • 1.2% fail on Ball joint (51% better than other 2005 cars)
      • 0.85% fail on Pins and bushes (68% better than other 2005 cars)
      • 0.46% fail on Ball joint dust cover
    • 0.31% fail on Other suspension component
      • 0.23% fail on Ball joint
      • 0.077% fail on Pins and bushes
    • 0.31% fail on Air/gas/fluid suspension (8 times worse than other 2005 cars)
      • 0.15% fail on Suspension unit (22 times worse than other 2005 cars)
      • 0.077% fail on Operation
      • 0.077% fail on Pipes
      • 0.077% fail on Other components
    • 0.23% fail on Shock absorbers (74% better than other 2005 cars)
    • 0.15% fail on Wheel bearings (89% better than other 2005 cars)
    • 0.15% fail on Anti-roll bars (97% better than other 2005 cars)
      • 0.077% fail on Linkage
      • 0.077% fail on Ball joint
    • 0.077% fail on Suspension rods
      • 0.077% fail on Ball joint
    • 0.077% fail on Sub-frames
      • 0.077% fail on Pins and bushes
  • 4.2% fail on Brakes (69% better than other 2005 cars)
    • 1.7% fail on Rigid brake pipes (41% better than other 2005 cars)
    • 1.6% fail on Brake performance (78% better than other 2005 cars)
      • 0.85% fail on Parking brake efficiency (sp) (80% better than other 2005 cars)
        • 0.85% fail on Rbt (sp) (78% better than other 2005 cars)
      • 0.38% fail on Service Brake Efficiency (sp)
        • 0.38% fail on Rbt (sp)
          • 0.31% fail on Service brake imbalance
          • 0.15% fail on Service brake performance
      • 0.31% fail on Service brake performance (90% better than other 2005 cars)
        • 0.31% fail on Rbt (89% better than other 2005 cars)
          • 0.31% fail on Service brake performance (88% better than other 2005 cars)
      • 0.23% fail on Parking brake performance (86% better than other 2005 cars)
        • 0.23% fail on Rbt (85% better than other 2005 cars)
          • 0.15% fail on Parking brake performance (89% better than other 2005 cars)
          • 0.077% fail on Parking (secondary brake performance)
      • 0.077% fail on Brake performance not tested
    • 0.77% fail on ABS / EBS / ESC
      • 0.54% fail on Electronic stability control
      • 0.31% fail on Anti-lock braking system (74% better than other 2005 cars)
    • 0.69% fail on Mechanical brake components (78% better than other 2005 cars)
      • 0.46% fail on Brake linings and pads (78% better than other 2005 cars)
        • 0.46% fail on Brake pads (78% better than other 2005 cars)
      • 0.38% fail on Brake discs and drums (69% better than other 2005 cars)
        • 0.38% fail on Brake discs (68% better than other 2005 cars)
    • 0.15% fail on Parking brake control
      • 0.15% fail on Lever
    • 0.077% fail on Air and vacuum systems
      • 0.077% fail on Servos
    • 0.077% fail on Hydraulic systems
      • 0.077% fail on Reservoirs
    • 0.077% fail on Flexible brake hoses
    • 0.077% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.077% fail on Hydraulic brake callipers
  • 3.2% fail on Tyres (50% better than other 2005 cars)
    • 2.5% fail on Condition
    • 0.62% fail on Tread depth (83% better than other 2005 cars)
    • 0.077% fail on Size/type
  • 3.1% fail on Lamps, reflectors and electrical equipment (81% better than other 2005 cars)
    • 1.0% fail on Headlamp aim (72% better than other 2005 cars)
      • 0.92% fail on Headlamp aim (71% better than other 2005 cars)
      • 0.077% fail on Headlamp aim not tested
    • 0.85% fail on Headlamps (84% better than other 2005 cars)
      • 0.54% fail on Headlamp (89% better than other 2005 cars)
      • 0.46% fail on Headlamp levelling device
    • 0.38% fail on Direction indicators (85% better than other 2005 cars)
      • 0.38% fail on Flashing type (85% better than other 2005 cars)
        • 0.31% fail on Individual direction indicators (83% better than other 2005 cars)
        • 0.077% fail on Side repeaters
    • 0.38% fail on Front and rear fog lamps
      • 0.38% fail on Rear fog lamp
        • 0.38% fail on Rear fog lamp
    • 0.38% fail on Registration plate lamp(s) (83% better than other 2005 cars)
    • 0.23% fail on Stop lamp (94% better than other 2005 cars)
    • 0.23% fail on Electrical equipment
      • 0.077% fail on Electrical wiring
      • 0.077% fail on Battery(ies)
      • 0.077% fail on Horn
    • 0.077% fail on Mandatory tell-tales
      • 0.077% fail on Main beam tell-tale
  • 2.3% fail on Visibility (69% better than other 2005 cars)
    • 1.1% fail on Wipers (71% better than other 2005 cars)
    • 1.1% fail on Washers (70% better than other 2005 cars)
    • 0.31% fail on View to rear
      • 0.31% fail on Mirrors
  • 1.3% fail on Noise, emissions and leaks (81% better than other 2005 cars)
    • 1.2% fail on Exhaust emissions (82% better than other 2005 cars)
      • 1.2% fail on Spark ignition (77% better than other 2005 cars)
        • 0.69% fail on Malfunction indicator lamp (74% better than other 2005 cars)
        • 0.23% fail on Catalyst emissions (90% better than other 2005 cars)
        • 0.23% fail on Emissions not tested
    • 0.23% fail on Fluid leaks
      • 0.077% fail on Engine oil leaks
      • 0.077% fail on Transmission oil leaks
      • 0.077% fail on Hydraulic fluid leaks
  • 0.69% fail on Seat belts and supplementary restraint systems (76% better than other 2005 cars)
    • 0.69% fail on SRS malfunction indicator lamp
  • 0.54% fail on Identification of the vehicle
    • 0.54% fail on Registration plates
  • 0.46% fail on Steering (88% better than other 2005 cars)
    • 0.31% fail on Steering linkage components (89% better than other 2005 cars)
      • 0.31% fail on Track rod end (88% better than other 2005 cars)
    • 0.077% fail on Steering gear
      • 0.077% fail on Steering rack
    • 0.077% fail on Power steering
      • 0.077% fail on Pipes and hoses
  • 0.46% fail on Body, chassis, structure (95% better than other 2005 cars)
    • 0.23% fail on Exhaust system (92% better than other 2005 cars)
    • 0.23% fail on Fuel system
      • 0.15% fail on Fuel cap/sealing device
      • 0.077% fail on Hose
  • 0.38% fail on Road Wheels
    • 0.31% fail on Attachment
    • 0.077% fail on Condition

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