Mercedes-Benz SL MOT Results

Registered in 2004
81.2% pass rate
from 2,237 tests in 2020
(61% better than other 2004 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 2004 cars and highlighted areas where the Mercedes-Benz SL is unusually good or bad.

  • 6.5% fail on Suspension (64% better than other 2004 cars)
    • 2.7% fail on Suspension arms (56% better than other 2004 cars)
      • 1.6% fail on Ball joint (43% better than other 2004 cars)
      • 1.0% fail on Ball joint dust cover
      • 0.36% fail on Pins and bushes (85% better than other 2004 cars)
    • 2.6% fail on Springs (33% better than other 2004 cars)
      • 2.6% fail on Coil springs (32% better than other 2004 cars)
        • 2.6% fail on Coil spring (31% better than other 2004 cars)
    • 0.49% fail on Shock absorbers (67% better than other 2004 cars)
    • 0.40% fail on Other suspension component
      • 0.40% fail on Ball joint
      • 0.045% fail on Ball joint dust cover
    • 0.27% fail on Anti-roll bars (96% better than other 2004 cars)
      • 0.22% fail on Linkage ball joints (89% better than other 2004 cars)
      • 0.045% fail on Ball joint
    • 0.13% fail on Wheel bearings (92% better than other 2004 cars)
    • 0.13% fail on Macpherson strut
      • 0.13% fail on Ball joint (23 times worse than other 2004 cars)
    • 0.13% fail on Air/gas/fluid suspension
      • 0.13% fail on Suspension unit (13 times worse than other 2004 cars)
    • 0.089% fail on Sub-frames (81% better than other 2004 cars)
      • 0.089% fail on Pins and bushes
    • 0.045% fail on Suspension rods
      • 0.045% fail on Attachment bracket and mounting
  • 4.6% fail on Brakes (68% better than other 2004 cars)
    • 1.7% fail on Brake performance (78% better than other 2004 cars)
      • 0.85% fail on Service brake performance (71% better than other 2004 cars)
        • 0.85% fail on Rbt (71% better than other 2004 cars)
          • 0.67% fail on Service brake performance (72% better than other 2004 cars)
          • 0.18% fail on Service brake imbalance (73% better than other 2004 cars)
      • 0.67% fail on Parking brake efficiency (sp) (85% better than other 2004 cars)
        • 0.67% fail on Rbt (sp) (84% better than other 2004 cars)
      • 0.27% fail on Parking brake performance (85% better than other 2004 cars)
        • 0.27% fail on Rbt (85% better than other 2004 cars)
          • 0.22% fail on Parking brake performance (86% better than other 2004 cars)
          • 0.045% fail on Parking (secondary brake performance)
      • 0.22% fail on Brake performance not tested
      • 0.13% fail on Service Brake Efficiency (sp) (87% better than other 2004 cars)
        • 0.13% fail on Rbt (sp) (87% better than other 2004 cars)
          • 0.089% fail on Service brake imbalance (89% better than other 2004 cars)
          • 0.045% fail on Service brake performance
    • 1.6% fail on Rigid brake pipes (56% better than other 2004 cars)
    • 0.76% fail on Mechanical brake components (79% better than other 2004 cars)
      • 0.45% fail on Brake discs and drums (65% better than other 2004 cars)
        • 0.45% fail on Brake discs (65% better than other 2004 cars)
      • 0.36% fail on Brake linings and pads (85% better than other 2004 cars)
        • 0.31% fail on Brake pads (87% better than other 2004 cars)
        • 0.045% fail on Brake linings
    • 0.67% fail on ABS / EBS / ESC (50% better than other 2004 cars)
      • 0.40% fail on Anti-lock braking system (63% better than other 2004 cars)
      • 0.27% fail on Electronic stability control
    • 0.27% fail on Parking brake control
      • 0.27% fail on Lever
    • 0.18% fail on Flexible brake hoses
    • 0.045% fail on Hydraulic systems
      • 0.045% fail on Servos
  • 3.9% fail on Tyres (48% better than other 2004 cars)
    • 2.3% fail on Condition
    • 1.8% fail on Tread depth (61% better than other 2004 cars)
    • 0.045% fail on Size/type
  • 3.0% fail on Lamps, reflectors and electrical equipment (85% better than other 2004 cars)
    • 1.2% fail on Headlamp aim (75% better than other 2004 cars)
      • 1.1% fail on Headlamp aim (73% better than other 2004 cars)
      • 0.045% fail on Headlamp aim not tested
    • 0.76% fail on Registration plate lamp(s) (74% better than other 2004 cars)
    • 0.31% fail on Headlamps (94% better than other 2004 cars)
      • 0.27% fail on Headlamp (95% better than other 2004 cars)
      • 0.045% fail on Headlamp levelling device
    • 0.31% fail on Direction indicators (89% better than other 2004 cars)
      • 0.31% fail on Flashing type (89% better than other 2004 cars)
        • 0.27% fail on Individual direction indicators (85% better than other 2004 cars)
        • 0.045% fail on Side repeaters
    • 0.27% fail on Stop lamp (95% better than other 2004 cars)
    • 0.27% fail on Front and rear fog lamps (78% better than other 2004 cars)
      • 0.27% fail on Rear fog lamp (78% better than other 2004 cars)
        • 0.22% fail on Rear fog lamp (82% better than other 2004 cars)
        • 0.045% fail on Switch
    • 0.13% fail on Electrical equipment (86% better than other 2004 cars)
      • 0.13% fail on Horn (74% better than other 2004 cars)
    • 0.045% fail on Position lamps
      • 0.045% fail on Position lamp
  • 1.8% fail on Visibility (78% better than other 2004 cars)
    • 1.0% fail on Wipers (75% better than other 2004 cars)
    • 0.72% fail on Washers (81% better than other 2004 cars)
    • 0.13% fail on View to rear
      • 0.13% fail on Mirrors
  • 1.3% fail on Seat belts and supplementary restraint systems (60% better than other 2004 cars)
    • 1.2% fail on SRS malfunction indicator lamp
    • 0.045% fail on Seat belts
      • 0.045% fail on Condition
  • 1.1% fail on Noise, emissions and leaks (87% better than other 2004 cars)
    • 0.89% fail on Exhaust emissions (88% better than other 2004 cars)
      • 0.85% fail on Spark ignition (86% better than other 2004 cars)
        • 0.72% fail on Malfunction indicator lamp (79% better than other 2004 cars)
        • 0.18% fail on Catalyst emissions (93% better than other 2004 cars)
      • 0.045% fail on Compression ignition
        • 0.045% fail on On or after 01/01/2014
    • 0.18% fail on Fluid leaks (70% better than other 2004 cars)
      • 0.089% fail on Engine oil leaks (81% better than other 2004 cars)
      • 0.089% fail on Hydraulic fluid leaks
  • 1.0% fail on Identification of the vehicle
    • 1.0% fail on Registration plates
  • 0.63% fail on Road Wheels
    • 0.36% fail on Attachment
    • 0.27% fail on Condition
  • 0.54% fail on Body, chassis, structure (94% better than other 2004 cars)
    • 0.18% fail on Exhaust system (95% better than other 2004 cars)
    • 0.089% fail on Fuel system (83% better than other 2004 cars)
      • 0.045% fail on Hose
      • 0.045% fail on System
    • 0.089% fail on Bumpers
    • 0.089% fail on Body
      • 0.089% fail on Other body component
    • 0.089% fail on Doors (81% better than other 2004 cars)
      • 0.089% fail on Driver's door
        • 0.089% fail on Door condition
    • 0.045% fail on Engine mounting
      • 0.045% fail on Engine mounting condition
    • 0.045% fail on Boot lid
      • 0.045% fail on Boot lid condition
  • 0.45% fail on Steering (91% better than other 2004 cars)
    • 0.36% fail on Steering linkage components (90% better than other 2004 cars)
      • 0.36% fail on Track rod end (90% better than other 2004 cars)
    • 0.089% fail on Steering gear (88% better than other 2004 cars)
      • 0.089% fail on Steering rack (88% better than other 2004 cars)

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