Mercedes-Benz SL MOT Results

Registered in 1997
78.6% pass rate
from 707 tests in 2021
(45% better than other 1997 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 1997 cars and highlighted areas where the Mercedes-Benz SL is unusually good or bad.

  • 8.5% fail on Lamps, reflectors and electrical equipment (35% better than other 1997 cars)
    • 3.7% fail on Direction indicators
      • 3.7% fail on Flashing type
        • 2.8% fail on Side repeaters (2 times worse than other 1997 cars)
        • 0.99% fail on Individual direction indicators
        • 0.14% fail on All direction indicators
    • 3.1% fail on Headlamp aim
      • 3.0% fail on Headlamp aim
      • 0.14% fail on Headlamp aim not tested
    • 1.3% fail on Headlamps
      • 1.1% fail on Headlamp
      • 0.14% fail on Matched pair
      • 0.14% fail on Headlamp levelling device
    • 0.57% fail on Stop lamp (83% better than other 1997 cars)
    • 0.57% fail on Front and rear fog lamps (68% better than other 1997 cars)
      • 0.57% fail on Rear fog lamp (68% better than other 1997 cars)
        • 0.57% fail on Rear fog lamp
    • 0.14% fail on Position lamps
      • 0.14% fail on Position lamp
    • 0.14% fail on Electrical equipment
      • 0.14% fail on Electrical wiring
  • 4.4% fail on Brakes (62% better than other 1997 cars)
    • 1.6% fail on Rigid brake pipes
    • 1.6% fail on Brake performance (78% better than other 1997 cars)
      • 0.85% fail on Service Brake Efficiency (sp) (71% better than other 1997 cars)
        • 0.85% fail on Rbt (sp) (70% better than other 1997 cars)
          • 0.71% fail on Service brake performance
          • 0.42% fail on Service brake imbalance (74% better than other 1997 cars)
      • 0.57% fail on Service brake performance (77% better than other 1997 cars)
        • 0.57% fail on Rbt (77% better than other 1997 cars)
          • 0.42% fail on Service brake performance (79% better than other 1997 cars)
          • 0.14% fail on Service brake imbalance
      • 0.57% fail on Parking brake efficiency (sp) (83% better than other 1997 cars)
        • 0.57% fail on Rbt (sp) (82% better than other 1997 cars)
      • 0.14% fail on Parking brake performance
        • 0.14% fail on Rbt
          • 0.14% fail on Parking brake performance
    • 0.85% fail on Mechanical brake components
      • 0.85% fail on Brake linings and pads
        • 0.85% fail on Brake pads
    • 0.85% fail on ABS / EBS / ESC
      • 0.85% fail on Anti-lock braking system
      • 0.28% fail on Electronic stability control
    • 0.57% fail on Parking brake control
      • 0.57% fail on Lever
    • 0.14% fail on Service brake pedal or hand lever
      • 0.14% fail on Pedal
    • 0.14% fail on Hydraulic systems
      • 0.14% fail on Brake fluid
    • 0.14% fail on Flexible brake hoses
  • 3.8% fail on Visibility (44% better than other 1997 cars)
    • 2.5% fail on Wipers
    • 0.99% fail on Washers (68% better than other 1997 cars)
    • 0.71% fail on Bonnet (2 times worse than other 1997 cars)
    • 0.14% fail on View to rear
      • 0.14% fail on Indirect vision devices
  • 3.8% fail on Suspension (70% better than other 1997 cars)
    • 2.1% fail on Suspension arms
      • 1.7% fail on Ball joint dust cover (140% worse than other 1997 cars)
      • 0.28% fail on Ball joint (80% better than other 1997 cars)
      • 0.14% fail on Pins and bushes
    • 0.57% fail on Springs
      • 0.57% fail on Coil springs
        • 0.57% fail on Coil spring
    • 0.42% fail on Other suspension component
      • 0.14% fail on Other suspension component
      • 0.14% fail on Pins and bushes
      • 0.14% fail on Ball joint dust cover
    • 0.28% fail on Anti-roll bars (88% better than other 1997 cars)
      • 0.14% fail on Attachment bracket and mounting
      • 0.14% fail on Ball joint
    • 0.28% fail on Component mounting prescribed areas (94% better than other 1997 cars)
    • 0.14% fail on Wheel bearings
    • 0.14% fail on Macpherson strut
      • 0.14% fail on Pins and bushes
    • 0.14% fail on Sub-frames
      • 0.14% fail on Sub-frame mounting prescribed areas
  • 3.7% fail on Noise, emissions and leaks (53% better than other 1997 cars)
    • 3.3% fail on Exhaust emissions (56% better than other 1997 cars)
      • 3.1% fail on Spark ignition (55% better than other 1997 cars)
        • 3.0% fail on Catalyst emissions (46% better than other 1997 cars)
        • 0.14% fail on Emissions not tested
      • 0.14% fail on Compression ignition
        • 0.14% fail on On or after 01/07/2008
    • 0.42% fail on Fluid leaks
      • 0.42% fail on Engine oil leaks
  • 2.1% fail on Tyres
    • 1.3% fail on Condition
    • 0.99% fail on Tread depth
  • 1.3% fail on Steering (65% better than other 1997 cars)
    • 1.1% fail on Steering linkage components
      • 0.42% fail on Ball joint
      • 0.42% fail on Drag link end
      • 0.28% fail on Track rod end (79% better than other 1997 cars)
      • 0.14% fail on Locking devices
    • 0.14% fail on Power steering
      • 0.14% fail on Other components
  • 1.1% fail on Body, chassis, structure (88% better than other 1997 cars)
    • 0.28% fail on Exhaust system (91% better than other 1997 cars)
    • 0.28% fail on Fuel system
      • 0.28% fail on Hose (5 times worse than other 1997 cars)
    • 0.14% fail on Integral vehicle structure
      • 0.14% fail on Integral vehicle structure condition
    • 0.14% fail on Doors
      • 0.14% fail on Front passenger's door
        • 0.14% fail on Door condition
    • 0.14% fail on Seats
      • 0.14% fail on Driver's seat
    • 0.14% fail on Undertray
  • 0.57% fail on Seat belts and supplementary restraint systems (85% better than other 1997 cars)
    • 0.57% fail on SRS malfunction indicator lamp
  • 0.28% fail on Identification of the vehicle
    • 0.28% fail on Registration plates
  • 0.28% fail on Road Wheels
    • 0.14% fail on Condition
    • 0.14% fail on Attachment

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