Mercedes-Benz SL MOT Results

Registered in 2003
80.0% pass rate
from 2,766 tests in 2021
(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.

  • 6.7% fail on Suspension (60% better than other 2003 cars)
    • 4.6% fail on Suspension arms (20% better than other 2003 cars)
      • 2.2% fail on Ball joint
      • 1.9% fail on Ball joint dust cover (76% worse than other 2003 cars)
      • 0.76% fail on Pins and bushes (66% better than other 2003 cars)
      • 0.11% fail on Suspension arm
    • 0.87% fail on Shock absorbers
    • 0.61% fail on Other suspension component
      • 0.51% fail on Ball joint (120% worse than other 2003 cars)
      • 0.14% fail on Ball joint dust cover
      • 0.036% fail on Pins and bushes
    • 0.54% fail on Springs (86% better than other 2003 cars)
      • 0.54% fail on Coil springs (86% better than other 2003 cars)
        • 0.54% fail on Coil spring (86% better than other 2003 cars)
    • 0.22% fail on Wheel bearings (85% better than other 2003 cars)
    • 0.22% fail on Air/gas/fluid suspension (3 times worse than other 2003 cars)
      • 0.072% fail on Suspension unit (4 times worse than other 2003 cars)
      • 0.036% fail on Operation
      • 0.036% fail on Levelling valve
      • 0.036% fail on Pipes
      • 0.036% fail on Other components
    • 0.11% fail on Macpherson strut
      • 0.072% fail on Pins and bushes
      • 0.036% fail on Ball joint
    • 0.11% fail on Anti-roll bars (98% better than other 2003 cars)
      • 0.072% fail on Linkage ball joints (95% better than other 2003 cars)
      • 0.036% fail on Linkage pins and bushes
    • 0.072% fail on Suspension rods
      • 0.036% fail on Pins and bushes
      • 0.036% fail on Ball joint
    • 0.036% fail on Component mounting prescribed areas
  • 4.6% fail on Brakes (67% better than other 2003 cars)
    • 1.7% fail on Rigid brake pipes (57% better than other 2003 cars)
    • 1.3% fail on ABS / EBS / ESC
      • 0.72% fail on Anti-lock braking system
      • 0.69% fail on Electronic stability control (110% worse than other 2003 cars)
    • 1.3% fail on Brake performance (83% better than other 2003 cars)
      • 0.90% fail on Parking brake efficiency (sp) (77% better than other 2003 cars)
        • 0.90% fail on Rbt (sp) (75% better than other 2003 cars)
      • 0.25% fail on Service brake performance (91% better than other 2003 cars)
        • 0.22% fail on Rbt (93% better than other 2003 cars)
          • 0.18% fail on Service brake performance (93% better than other 2003 cars)
          • 0.072% fail on Service brake imbalance (88% better than other 2003 cars)
        • 0.036% fail on Plate brake tester
          • 0.036% fail on Service brake performance
      • 0.25% fail on Service Brake Efficiency (sp) (85% better than other 2003 cars)
        • 0.25% fail on Rbt (sp) (85% better than other 2003 cars)
          • 0.18% fail on Service brake performance (70% better than other 2003 cars)
          • 0.18% fail on Service brake imbalance (85% better than other 2003 cars)
      • 0.11% fail on Parking brake performance (93% better than other 2003 cars)
        • 0.11% fail on Rbt (93% better than other 2003 cars)
          • 0.036% fail on Parking brake performance
          • 0.036% fail on Parking (secondary brake performance)
          • 0.036% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.072% fail on Brake performance not tested (81% better than other 2003 cars)
    • 0.69% fail on Mechanical brake components (75% better than other 2003 cars)
      • 0.40% fail on Brake linings and pads (78% better than other 2003 cars)
        • 0.40% fail on Brake pads (77% better than other 2003 cars)
      • 0.36% fail on Brake discs and drums (67% better than other 2003 cars)
        • 0.36% fail on Brake discs (67% better than other 2003 cars)
    • 0.29% fail on Parking brake control
      • 0.29% fail on Lever
    • 0.072% fail on Flexible brake hoses (80% better than other 2003 cars)
    • 0.072% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.072% fail on Hydraulic brake callipers
    • 0.036% fail on Air and vacuum systems
      • 0.036% fail on Servos
  • 4.2% fail on Lamps, reflectors and electrical equipment (75% better than other 2003 cars)
    • 1.4% fail on Headlamps (73% better than other 2003 cars)
      • 1.4% fail on Headlamp (71% better than other 2003 cars)
      • 0.072% fail on Headlamp levelling device (86% better than other 2003 cars)
    • 1.3% fail on Headlamp aim (66% better than other 2003 cars)
      • 1.2% fail on Headlamp aim (65% better than other 2003 cars)
      • 0.11% fail on Headlamp aim not tested (75% better than other 2003 cars)
    • 0.61% fail on Direction indicators (74% better than other 2003 cars)
      • 0.61% fail on Flashing type (74% better than other 2003 cars)
        • 0.36% fail on Individual direction indicators (76% better than other 2003 cars)
        • 0.29% fail on Side repeaters (65% better than other 2003 cars)
    • 0.43% fail on Stop lamp (91% better than other 2003 cars)
    • 0.36% fail on Registration plate lamp(s) (85% better than other 2003 cars)
    • 0.33% fail on Front and rear fog lamps (77% better than other 2003 cars)
      • 0.33% fail on Rear fog lamp (76% better than other 2003 cars)
        • 0.29% fail on Rear fog lamp (79% better than other 2003 cars)
        • 0.036% fail on Switch
    • 0.33% fail on Electrical equipment (57% better than other 2003 cars)
      • 0.18% fail on Horn
      • 0.14% fail on Battery(ies)
    • 0.036% fail on Hazard warning
      • 0.036% fail on Switch
    • 0.036% fail on Mandatory tell-tales
      • 0.036% fail on Rear fog lamp tell-tale
  • 3.1% fail on Tyres (47% better than other 2003 cars)
    • 2.2% fail on Condition
    • 1.2% fail on Tread depth (66% better than other 2003 cars)
  • 2.1% fail on Visibility (73% better than other 2003 cars)
    • 1.3% fail on Wipers (71% better than other 2003 cars)
    • 0.72% fail on Washers (80% better than other 2003 cars)
    • 0.18% fail on View to rear
      • 0.18% fail on Mirrors
    • 0.036% fail on Bonnet
  • 2.1% fail on Seat belts and supplementary restraint systems (33% better than other 2003 cars)
    • 2.0% fail on SRS malfunction indicator lamp (47% worse than other 2003 cars)
    • 0.036% fail on Airbags
      • 0.036% fail on Drivers airbag
  • 1.8% fail on Noise, emissions and leaks (76% better than other 2003 cars)
    • 1.5% fail on Exhaust emissions (79% better than other 2003 cars)
      • 1.5% fail on Spark ignition (76% better than other 2003 cars)
        • 0.80% fail on Malfunction indicator lamp (73% better than other 2003 cars)
        • 0.72% fail on Catalyst emissions (77% better than other 2003 cars)
        • 0.036% fail on Emission control equipment
          • 0.036% fail on Oxygen sensor
    • 0.29% fail on Fluid leaks
      • 0.072% fail on Engine oil leaks (83% better than other 2003 cars)
      • 0.072% fail on Transmission oil leaks
      • 0.072% fail on Hydraulic fluid leaks
      • 0.072% fail on Other leaks
  • 1.3% fail on Steering (71% better than other 2003 cars)
    • 1.1% fail on Steering linkage components (67% better than other 2003 cars)
      • 1.0% fail on Track rod end (65% better than other 2003 cars)
      • 0.036% fail on Ball joint
    • 0.18% fail on Power steering
      • 0.14% fail on Operation
      • 0.036% fail on Pipes and hoses
      • 0.036% fail on Pump
      • 0.036% fail on Other components
    • 0.072% fail on Steering gear (91% better than other 2003 cars)
      • 0.036% fail on Steering box
      • 0.036% fail on Steering rack
    • 0.036% fail on Steering play
      • 0.036% fail on Steering rack
  • 0.90% fail on Body, chassis, structure (90% better than other 2003 cars)
    • 0.36% fail on Exhaust system (89% better than other 2003 cars)
    • 0.25% fail on Fuel system
      • 0.11% fail on Pipe
      • 0.072% fail on Fuel cap/sealing device
      • 0.036% fail on Hose
      • 0.036% fail on System
    • 0.072% fail on Doors (89% better than other 2003 cars)
      • 0.036% fail on Driver's door
        • 0.036% fail on Door condition
      • 0.036% fail on Other passenger's door
        • 0.036% fail on Door condition
    • 0.036% fail on Integral vehicle structure
      • 0.036% fail on Integral vehicle structure condition
    • 0.036% fail on Transmission
      • 0.036% fail on Drive shafts
        • 0.036% fail on Flexible couplings
    • 0.036% fail on Load security
      • 0.036% fail on Tailgate
        • 0.036% fail on Tailgate condition
    • 0.036% fail on Seats
      • 0.036% fail on Driver's seat
    • 0.036% fail on Boot lid
      • 0.036% fail on Boot lid condition
    • 0.036% fail on Undertray
  • 0.87% fail on Identification of the vehicle
    • 0.87% fail on Registration plates
  • 0.69% fail on Road Wheels
    • 0.40% fail on Attachment
    • 0.29% fail on Condition (180% worse than other 2003 cars)

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