Mercedes-Benz SL MOT Results

Registered in 2003
78.9% pass rate
from 2,932 tests in 2020
(57% better than other 2003 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 2003 cars and highlighted areas where the Mercedes-Benz SL is unusually good or bad.

  • 8.0% fail on Suspension (55% better than other 2003 cars)
    • 4.9% fail on Suspension arms (22% better than other 2003 cars)
      • 2.7% fail on Ball joint
      • 1.9% fail on Ball joint dust cover (81% worse than other 2003 cars)
      • 1.1% fail on Pins and bushes (55% better than other 2003 cars)
    • 1.5% fail on Shock absorbers
    • 0.92% fail on Other suspension component (77% worse than other 2003 cars)
      • 0.82% fail on Ball joint (180% worse than other 2003 cars)
      • 0.10% fail on Ball joint dust cover
    • 0.78% fail on Air/gas/fluid suspension (13 times worse than other 2003 cars)
      • 0.34% fail on Suspension unit (22 times worse than other 2003 cars)
      • 0.20% fail on Operation (11 times worse than other 2003 cars)
      • 0.068% fail on Bellows (21 times worse than other 2003 cars)
      • 0.068% fail on Pipes
      • 0.068% fail on Other components (18 times worse than other 2003 cars)
      • 0.034% fail on Levelling valve
    • 0.48% fail on Springs (87% better than other 2003 cars)
      • 0.48% fail on Coil springs (86% better than other 2003 cars)
        • 0.48% fail on Coil spring (86% better than other 2003 cars)
    • 0.27% fail on Macpherson strut
      • 0.24% fail on Ball joint (38 times worse than other 2003 cars)
      • 0.034% fail on Macpherson strut
    • 0.14% fail on Wheel bearings (92% better than other 2003 cars)
    • 0.068% fail on Sub-frames (86% better than other 2003 cars)
      • 0.034% fail on Pins and bushes
      • 0.034% fail on Sub-frame mounting prescribed areas
  • 4.5% fail on Lamps, reflectors and electrical equipment (78% better than other 2003 cars)
    • 1.4% fail on Headlamps (74% better than other 2003 cars)
      • 1.2% fail on Headlamp (76% better than other 2003 cars)
      • 0.17% fail on Headlamp levelling device
    • 1.3% fail on Headlamp aim (74% better than other 2003 cars)
      • 1.2% fail on Headlamp aim (73% better than other 2003 cars)
      • 0.034% fail on Headlamp aim not tested
    • 0.48% fail on Front and rear fog lamps (66% better than other 2003 cars)
      • 0.48% fail on Rear fog lamp (66% better than other 2003 cars)
        • 0.48% fail on Rear fog lamp (66% better than other 2003 cars)
    • 0.48% fail on Electrical equipment (52% better than other 2003 cars)
      • 0.27% fail on Horn
      • 0.14% fail on Battery(ies)
      • 0.068% fail on Electrical wiring
    • 0.44% fail on Direction indicators (82% better than other 2003 cars)
      • 0.44% fail on Flashing type (82% better than other 2003 cars)
        • 0.24% fail on Side repeaters (70% better than other 2003 cars)
        • 0.20% fail on Individual direction indicators (87% better than other 2003 cars)
        • 0.034% fail on All direction indicators
    • 0.41% fail on Registration plate lamp(s) (87% better than other 2003 cars)
    • 0.34% fail on Stop lamp (94% better than other 2003 cars)
    • 0.20% fail on Position lamps (94% better than other 2003 cars)
      • 0.20% fail on Position lamp (94% better than other 2003 cars)
    • 0.034% fail on Hazard warning
      • 0.034% fail on Switch
  • 4.2% fail on Brakes (72% better than other 2003 cars)
    • 1.8% fail on Rigid brake pipes (57% better than other 2003 cars)
    • 1.4% fail on Brake performance (83% better than other 2003 cars)
      • 0.72% fail on Parking brake efficiency (sp) (83% better than other 2003 cars)
        • 0.72% fail on Rbt (sp) (82% better than other 2003 cars)
      • 0.51% fail on Service brake performance (83% better than other 2003 cars)
        • 0.51% fail on Rbt (83% better than other 2003 cars)
          • 0.48% fail on Service brake performance (80% better than other 2003 cars)
          • 0.034% fail on Service brake imbalance
      • 0.17% fail on Brake performance not tested
      • 0.14% fail on Parking brake performance (92% better than other 2003 cars)
        • 0.14% fail on Rbt (92% better than other 2003 cars)
          • 0.10% fail on Parking brake performance (93% better than other 2003 cars)
          • 0.034% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
    • 0.92% fail on ABS / EBS / ESC
      • 0.51% fail on Anti-lock braking system (54% better than other 2003 cars)
      • 0.48% fail on Electronic stability control
    • 0.61% fail on Mechanical brake components (82% better than other 2003 cars)
      • 0.38% fail on Brake linings and pads (83% better than other 2003 cars)
        • 0.38% fail on Brake pads (83% better than other 2003 cars)
      • 0.24% fail on Brake discs and drums (81% better than other 2003 cars)
        • 0.20% fail on Brake discs (83% better than other 2003 cars)
        • 0.034% fail on Brake drums
    • 0.24% fail on Service brake pedal or hand lever
      • 0.17% fail on Pedal
      • 0.068% fail on Hand lever (78% better than other 2003 cars)
    • 0.10% fail on Parking brake control (81% better than other 2003 cars)
      • 0.10% fail on Lever (81% better than other 2003 cars)
    • 0.068% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.068% fail on Hydraulic brake callipers
    • 0.034% fail on Hydraulic systems
      • 0.034% fail on Brake fluid
  • 3.6% fail on Tyres (49% better than other 2003 cars)
    • 2.4% fail on Condition
    • 1.4% fail on Tread depth (70% better than other 2003 cars)
    • 0.068% fail on Size/type (79% better than other 2003 cars)
  • 2.5% fail on Seat belts and supplementary restraint systems
    • 2.4% fail on SRS malfunction indicator lamp (65% worse than other 2003 cars)
    • 0.034% fail on Seat belts
      • 0.034% fail on Condition
  • 1.8% fail on Noise, emissions and leaks (78% better than other 2003 cars)
    • 1.6% fail on Exhaust emissions (79% better than other 2003 cars)
      • 1.6% fail on Spark ignition (76% better than other 2003 cars)
        • 0.82% fail on Malfunction indicator lamp (76% better than other 2003 cars)
        • 0.61% fail on Catalyst emissions (80% better than other 2003 cars)
        • 0.14% fail on Emission control equipment
          • 0.14% fail on Catalytic converter (3 times worse than other 2003 cars)
        • 0.14% fail on Emissions not tested (85% better than other 2003 cars)
      • 0.068% fail on Compression ignition (95% better than other 2003 cars)
        • 0.034% fail on Pre 01/07/2008 Non turbo
        • 0.034% fail on Malfunction indicator lamp
    • 0.20% fail on Fluid leaks (69% better than other 2003 cars)
      • 0.10% fail on Transmission oil leaks
      • 0.068% fail on Engine oil leaks (87% better than other 2003 cars)
      • 0.034% fail on Hydraulic fluid leaks
    • 0.034% fail on Noise suppression
      • 0.034% fail on Undertray
  • 1.6% fail on Visibility (81% better than other 2003 cars)
    • 0.82% fail on Wipers (81% better than other 2003 cars)
    • 0.75% fail on Washers (80% better than other 2003 cars)
    • 0.10% fail on View to rear
      • 0.068% fail on Mirrors (80% better than other 2003 cars)
      • 0.034% fail on Indirect vision devices
    • 0.034% fail on Driver's view
  • 1.1% fail on Steering (78% better than other 2003 cars)
    • 0.99% fail on Steering linkage components (73% better than other 2003 cars)
      • 0.89% fail on Track rod end (74% better than other 2003 cars)
      • 0.14% fail on Ball joint
    • 0.10% fail on Power steering
      • 0.034% fail on Operation
      • 0.034% fail on Pipes and hoses
      • 0.034% fail on Other components
    • 0.034% fail on Steering play
      • 0.034% fail on Steering rack
  • 1.1% fail on Identification of the vehicle
    • 1.1% fail on Registration plates
  • 0.85% fail on Body, chassis, structure (91% better than other 2003 cars)
    • 0.31% fail on Exhaust system (92% better than other 2003 cars)
    • 0.17% fail on Doors (70% better than other 2003 cars)
      • 0.17% fail on Driver's door
        • 0.17% fail on Door condition
    • 0.068% fail on Fuel system (89% better than other 2003 cars)
      • 0.068% fail on Fuel cap/sealing device
    • 0.068% fail on Transmission (98% better than other 2003 cars)
      • 0.034% fail on Drive shafts
        • 0.034% fail on Joints
      • 0.034% fail on Prop shafts
        • 0.034% fail on Prop shaft
    • 0.068% fail on Seats
      • 0.068% fail on Driver's seat
    • 0.034% fail on Chassis
      • 0.034% fail on Chassis condition
    • 0.034% fail on Engine mounting
      • 0.034% fail on Engine mounting condition
    • 0.034% fail on Load security
      • 0.034% fail on Tailgate
        • 0.034% fail on Tailgate condition
    • 0.034% fail on Boot lid
      • 0.034% fail on Boot lid condition
    • 0.034% fail on Undertray
  • 0.44% fail on Road Wheels
    • 0.27% fail on Condition
    • 0.17% fail on Attachment

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