Mercedes-Benz SL MOT Results

Registered in 1998
78.5% pass rate
from 819 tests in 2020
(51% better than other 1998 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 1998 cars and highlighted areas where the Mercedes-Benz SL is unusually good or bad.

  • 10% fail on Lamps, reflectors and electrical equipment (39% better than other 1998 cars)
    • 3.5% fail on Direction indicators
      • 3.5% fail on Flashing type
        • 2.2% fail on Side repeaters (2 times worse than other 1998 cars)
        • 2.1% fail on Individual direction indicators
    • 2.4% fail on Stop lamp (44% better than other 1998 cars)
    • 2.2% fail on Headlamp aim (44% better than other 1998 cars)
      • 2.2% fail on Headlamp aim
    • 1.1% fail on Position lamps
      • 1.1% fail on Position lamp
    • 0.98% fail on Headlamps (70% better than other 1998 cars)
      • 0.98% fail on Headlamp (68% better than other 1998 cars)
      • 0.12% fail on Dipswitch
    • 0.73% fail on Electrical equipment
      • 0.61% fail on Horn
      • 0.12% fail on Electrical wiring
    • 0.61% fail on Front and rear fog lamps
      • 0.49% fail on Rear fog lamp (69% better than other 1998 cars)
        • 0.49% fail on Rear fog lamp
      • 0.12% fail on Front fog lamps
        • 0.12% fail on Front fog lamps
    • 0.37% fail on Registration plate lamp(s) (81% better than other 1998 cars)
    • 0.12% fail on Mandatory tell-tales
      • 0.12% fail on Main beam tell-tale
  • 4.0% fail on Visibility (45% better than other 1998 cars)
    • 1.7% fail on Wipers (58% better than other 1998 cars)
    • 1.2% fail on Washers (61% better than other 1998 cars)
    • 0.61% fail on Bonnet (3 times worse than other 1998 cars)
    • 0.49% fail on View to rear
      • 0.49% fail on Mirrors
    • 0.12% fail on Condition of glass
      • 0.12% fail on Windscreen
  • 3.2% fail on Noise, emissions and leaks (62% better than other 1998 cars)
    • 2.6% fail on Exhaust emissions (68% better than other 1998 cars)
      • 2.6% fail on Spark ignition (65% better than other 1998 cars)
        • 2.2% fail on Catalyst emissions (63% better than other 1998 cars)
        • 0.24% fail on Emissions not tested
        • 0.12% fail on Emission control equipment
          • 0.12% fail on Catalytic converter
        • 0.12% fail on Non catalyst emissions
    • 0.37% fail on Fluid leaks
      • 0.24% fail on Engine oil leaks
      • 0.12% fail on Hydraulic fluid leaks
    • 0.24% fail on Noise suppression (9 times worse than other 1998 cars)
      • 0.24% fail on Sound deadening material (29 times worse than other 1998 cars)
  • 2.9% fail on Brakes (78% better than other 1998 cars)
    • 2.0% fail on Brake performance (75% better than other 1998 cars)
      • 0.73% fail on Service brake performance (74% better than other 1998 cars)
        • 0.61% fail on Rbt (78% better than other 1998 cars)
          • 0.37% fail on Service brake imbalance
          • 0.24% fail on Service brake performance (89% better than other 1998 cars)
        • 0.12% fail on Plate brake tester
          • 0.12% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.73% fail on Parking brake efficiency (sp) (79% better than other 1998 cars)
        • 0.73% fail on Rbt (sp) (78% better than other 1998 cars)
      • 0.61% fail on Service Brake Efficiency (sp) (79% better than other 1998 cars)
        • 0.61% fail on Rbt (sp) (79% better than other 1998 cars)
          • 0.37% fail on Service brake performance
          • 0.24% fail on Service brake imbalance (87% better than other 1998 cars)
      • 0.24% fail on Parking brake performance (82% better than other 1998 cars)
        • 0.24% fail on Rbt (82% better than other 1998 cars)
          • 0.24% fail on Parking brake performance (79% better than other 1998 cars)
      • 0.12% fail on Brake performance not tested
    • 0.85% fail on Rigid brake pipes (72% better than other 1998 cars)
    • 0.73% fail on Mechanical brake components (68% better than other 1998 cars)
      • 0.61% fail on Brake linings and pads
        • 0.61% fail on Brake pads
      • 0.37% fail on Brake discs and drums
        • 0.37% fail on Brake discs
    • 0.37% fail on Service brake pedal or hand lever
      • 0.24% fail on Hand lever
      • 0.12% fail on Pedal
    • 0.24% fail on ABS / EBS / ESC (83% better than other 1998 cars)
      • 0.24% fail on Anti-lock braking system (82% better than other 1998 cars)
      • 0.24% fail on Electronic stability control
    • 0.12% fail on Hydraulic systems
      • 0.12% fail on Brake fluid
    • 0.12% fail on Flexible brake hoses
  • 2.9% fail on Tyres (41% better than other 1998 cars)
    • 2.1% fail on Condition
    • 0.61% fail on Tread depth (80% better than other 1998 cars)
    • 0.24% fail on Size/type
  • 2.8% fail on Suspension (81% better than other 1998 cars)
    • 1.7% fail on Suspension arms (60% better than other 1998 cars)
      • 1.5% fail on Ball joint dust cover
      • 0.24% fail on Pins and bushes (85% better than other 1998 cars)
      • 0.12% fail on Ball joint
    • 0.61% fail on Anti-roll bars (81% better than other 1998 cars)
      • 0.24% fail on Attachment bracket and mounting
      • 0.24% fail on Pins and bushes
      • 0.12% fail on Linkage pins and bushes
    • 0.24% fail on Springs (86% better than other 1998 cars)
      • 0.24% fail on Coil springs (84% better than other 1998 cars)
        • 0.24% fail on Coil spring (84% better than other 1998 cars)
    • 0.24% fail on Other suspension component
      • 0.12% fail on Pins and bushes
      • 0.12% fail on Ball joint dust cover
    • 0.12% fail on Wheel bearings
    • 0.12% fail on Macpherson strut
      • 0.12% fail on Macpherson strut
  • 1.5% fail on Body, chassis, structure (87% better than other 1998 cars)
    • 0.49% fail on Seats
      • 0.49% fail on Driver's seat
    • 0.37% fail on Exhaust system (90% better than other 1998 cars)
    • 0.37% fail on Fuel system
      • 0.24% fail on Pipe
      • 0.12% fail on System
    • 0.12% fail on Doors
      • 0.12% fail on Driver's door
        • 0.12% fail on Door condition
      • 0.12% fail on Front passenger's door
        • 0.12% fail on Door condition
    • 0.12% fail on Boot lid
      • 0.12% fail on Boot lid condition
    • 0.12% fail on Cabs
      • 0.12% fail on Prescribed areas
  • 1.5% fail on Seat belts and supplementary restraint systems (69% better than other 1998 cars)
    • 1.1% fail on SRS malfunction indicator lamp
    • 0.37% fail on Seat belts (89% better than other 1998 cars)
      • 0.37% fail on Condition
  • 1.1% fail on Steering (71% better than other 1998 cars)
    • 0.61% fail on Steering linkage components (73% better than other 1998 cars)
      • 0.37% fail on Track rod end (78% better than other 1998 cars)
      • 0.12% fail on Drag link end
      • 0.12% fail on Other components
        • 0.12% fail on Steering linkage
    • 0.49% fail on Power steering
      • 0.37% fail on Pipes and hoses
      • 0.12% fail on Operation
  • 0.85% fail on Identification of the vehicle
    • 0.85% fail on Registration plates
  • 0.12% fail on Road Wheels
    • 0.12% fail on Condition

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