Mercedes-Benz SL MOT Results

Registered in 1999
77.5% pass rate
from 618 tests in 2020
(51% better than other 1999 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 1999 cars and highlighted areas where the Mercedes-Benz SL is unusually good or bad.

  • 11% fail on Lamps, reflectors and electrical equipment (39% better than other 1999 cars)
    • 4.0% fail on Direction indicators (68% worse than other 1999 cars)
      • 4.0% fail on Flashing type (68% worse than other 1999 cars)
        • 2.9% fail on Side repeaters (3 times worse than other 1999 cars)
        • 2.3% fail on Individual direction indicators
        • 0.65% fail on All direction indicators
    • 3.6% fail on Headlamp aim
      • 3.6% fail on Headlamp aim
    • 1.9% fail on Stop lamp (59% better than other 1999 cars)
    • 1.1% fail on Headlamps (73% better than other 1999 cars)
      • 0.97% fail on Headlamp (75% better than other 1999 cars)
      • 0.16% fail on Headlamp levelling device
    • 0.81% fail on Position lamps (70% better than other 1999 cars)
      • 0.81% fail on Position lamp (69% better than other 1999 cars)
    • 0.65% fail on Electrical equipment
      • 0.65% fail on Horn
    • 0.49% fail on Registration plate lamp(s) (77% better than other 1999 cars)
    • 0.16% fail on Front and rear fog lamps
      • 0.16% fail on Rear fog lamp
        • 0.16% fail on Rear fog lamp
  • 4.9% fail on Suspension (71% better than other 1999 cars)
    • 2.8% fail on Suspension arms (45% better than other 1999 cars)
      • 2.4% fail on Ball joint dust cover (200% worse than other 1999 cars)
      • 0.32% fail on Ball joint (86% better than other 1999 cars)
    • 0.65% fail on Wheel bearings
    • 0.65% fail on Shock absorbers
    • 0.49% fail on Anti-roll bars (89% better than other 1999 cars)
      • 0.16% fail on Attachment bracket and mounting
      • 0.16% fail on Pins and bushes
      • 0.16% fail on Linkage pins and bushes
    • 0.32% fail on Springs (85% better than other 1999 cars)
      • 0.32% fail on Coil springs (84% better than other 1999 cars)
        • 0.32% fail on Coil spring (84% better than other 1999 cars)
    • 0.32% fail on Other suspension component
      • 0.16% fail on Other suspension component
      • 0.16% fail on Ball joint
    • 0.16% fail on Macpherson strut
      • 0.16% fail on Attachment bracket and mounting
      • 0.16% fail on Pins and bushes
    • 0.16% fail on Component mounting prescribed areas
  • 3.7% fail on Visibility (53% better than other 1999 cars)
    • 2.6% fail on Wipers
    • 0.49% fail on Washers (85% better than other 1999 cars)
    • 0.32% fail on Bonnet
    • 0.16% fail on Driver's view
    • 0.16% fail on Condition of glass
      • 0.16% fail on Windscreen
    • 0.16% fail on View to rear
      • 0.16% fail on Mirrors
  • 3.6% fail on Brakes (75% better than other 1999 cars)
    • 0.97% fail on Mechanical brake components (64% better than other 1999 cars)
      • 0.97% fail on Brake linings and pads
        • 0.97% fail on Brake pads
    • 0.97% fail on ABS / EBS / ESC
      • 0.97% fail on Anti-lock braking system
    • 0.81% fail on Rigid brake pipes (76% better than other 1999 cars)
    • 0.65% fail on Brake performance (92% better than other 1999 cars)
      • 0.49% fail on Service Brake Efficiency (sp) (82% better than other 1999 cars)
        • 0.49% fail on Rbt (sp) (82% better than other 1999 cars)
          • 0.32% fail on Service brake performance
          • 0.32% fail on Service brake imbalance (82% better than other 1999 cars)
      • 0.32% fail on Service brake performance (89% better than other 1999 cars)
        • 0.32% fail on Rbt (89% better than other 1999 cars)
          • 0.32% fail on Service brake performance (87% better than other 1999 cars)
    • 0.32% fail on Flexible brake hoses
    • 0.16% fail on Service brake pedal or hand lever
      • 0.16% fail on Pedal
    • 0.16% fail on Parking brake control
      • 0.16% fail on Lever
  • 2.3% fail on Noise, emissions and leaks (75% better than other 1999 cars)
    • 2.1% fail on Exhaust emissions (75% better than other 1999 cars)
      • 2.1% fail on Spark ignition (73% better than other 1999 cars)
        • 1.9% fail on Catalyst emissions (69% better than other 1999 cars)
        • 0.16% fail on Emission control equipment
          • 0.16% fail on Catalytic converter
    • 0.16% fail on Fluid leaks
      • 0.16% fail on Transmission oil leaks
  • 2.1% fail on Tyres (63% better than other 1999 cars)
    • 1.1% fail on Tread depth (68% better than other 1999 cars)
    • 0.81% fail on Condition (66% better than other 1999 cars)
    • 0.16% fail on Size/type
  • 1.6% fail on Steering (60% better than other 1999 cars)
    • 0.81% fail on Steering linkage components (68% better than other 1999 cars)
      • 0.49% fail on Drag link end
      • 0.16% fail on Ball joint
      • 0.16% fail on Track rod end
    • 0.49% fail on Power steering
      • 0.16% fail on Operation
      • 0.16% fail on Pipes and hoses
      • 0.16% fail on Other components
    • 0.16% fail on Steering gear
      • 0.16% fail on Steering box
    • 0.16% fail on Steering play
      • 0.16% fail on Steering box
  • 1.3% fail on Body, chassis, structure (88% better than other 1999 cars)
    • 0.97% fail on Exhaust system (74% better than other 1999 cars)
    • 0.16% fail on Fuel system
      • 0.16% fail on Fuel cap/sealing device
    • 0.16% fail on Engine mounting
      • 0.16% fail on Bracket
    • 0.16% fail on Undertray
  • 1.3% fail on Seat belts and supplementary restraint systems (72% better than other 1999 cars)
    • 0.81% fail on SRS malfunction indicator lamp
    • 0.49% fail on Seat belts (85% better than other 1999 cars)
      • 0.32% fail on Condition
      • 0.16% fail on Prescribed areas
  • 0.65% fail on Road Wheels
    • 0.49% fail on Attachment
    • 0.16% fail on Condition

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