Mercedes-Benz SLK MOT Results

Registered in 1998
64.3% pass rate
from 1,955 tests in 2020
(17% 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 SLK is unusually good or bad.

  • 21% fail on Lamps, reflectors and electrical equipment (29% worse than other 1998 cars)
    • 8.8% fail on Stop lamp (100% worse than other 1998 cars)
    • 6.3% fail on Direction indicators (160% worse than other 1998 cars)
      • 6.3% fail on Flashing type (160% worse than other 1998 cars)
        • 2.4% fail on Side repeaters (2 times worse than other 1998 cars)
        • 2.3% fail on All direction indicators (9 times worse than other 1998 cars)
        • 2.1% fail on Individual direction indicators
        • 0.31% fail on Switch (19 times worse than other 1998 cars)
    • 4.0% fail on Headlamp aim
      • 4.0% fail on Headlamp aim
      • 0.10% fail on Headlamp aim not tested
    • 3.5% fail on Headlamps
      • 3.2% fail on Headlamp
      • 0.41% fail on Headlamp levelling device
    • 2.0% fail on Position lamps
      • 2.0% fail on Position lamp
    • 1.5% fail on Front and rear fog lamps
      • 1.5% fail on Rear fog lamp
        • 1.5% fail on Rear fog lamp
    • 1.4% fail on Hazard warning (7 times worse than other 1998 cars)
      • 1.4% fail on Switch (7 times worse than other 1998 cars)
    • 0.87% fail on Electrical equipment
      • 0.51% fail on Battery(ies)
      • 0.36% fail on Horn
    • 0.36% fail on Registration plate lamp(s) (81% better than other 1998 cars)
    • 0.051% fail on Reversing lamps
      • 0.051% fail on Reversing lamp switch
  • 8.3% fail on Brakes (38% better than other 1998 cars)
    • 3.4% fail on Rigid brake pipes
    • 2.1% fail on ABS / EBS / ESC (50% worse than other 1998 cars)
      • 1.6% fail on Anti-lock braking system
      • 0.97% fail on Electronic stability control (4 times worse than other 1998 cars)
    • 2.0% fail on Brake performance (74% better than other 1998 cars)
      • 0.87% fail on Service brake performance (69% better than other 1998 cars)
        • 0.87% fail on Rbt (69% better than other 1998 cars)
          • 0.66% fail on Service brake performance (70% better than other 1998 cars)
          • 0.36% fail on Service brake imbalance
      • 0.82% fail on Parking brake efficiency (sp) (77% better than other 1998 cars)
        • 0.82% fail on Rbt (sp) (76% better than other 1998 cars)
      • 0.26% fail on Service Brake Efficiency (sp) (91% better than other 1998 cars)
        • 0.26% fail on Rbt (sp) (91% better than other 1998 cars)
          • 0.15% fail on Service brake performance (88% better than other 1998 cars)
          • 0.10% fail on Service brake imbalance (94% better than other 1998 cars)
      • 0.26% fail on Parking brake performance (82% better than other 1998 cars)
        • 0.26% fail on Rbt (81% better than other 1998 cars)
          • 0.20% fail on Parking brake performance (83% better than other 1998 cars)
          • 0.051% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.20% fail on Brake performance not tested
    • 1.7% fail on Mechanical brake components
      • 1.5% fail on Brake linings and pads
        • 1.5% fail on Brake pads
      • 0.15% fail on Brake discs and drums (80% better than other 1998 cars)
        • 0.15% fail on Brake discs (80% better than other 1998 cars)
    • 0.36% fail on Hydraulic systems
      • 0.26% fail on Brake fluid
      • 0.051% fail on Servos
      • 0.051% fail on Master cylinder
    • 0.26% fail on Service brake pedal or hand lever
      • 0.15% fail on Pedal
      • 0.10% fail on Hand lever
    • 0.15% fail on Flexible brake hoses
    • 0.10% fail on Parking brake control
      • 0.10% fail on Lever
  • 6.0% fail on Suspension (60% better than other 1998 cars)
    • 1.9% fail on Suspension arms (55% better than other 1998 cars)
      • 1.2% fail on Ball joint
      • 0.51% fail on Ball joint dust cover
      • 0.26% fail on Suspension arm
      • 0.20% fail on Pins and bushes (88% better than other 1998 cars)
    • 1.9% fail on Springs
      • 1.9% fail on Coil springs
        • 1.9% fail on Coil spring
    • 0.92% fail on Component mounting prescribed areas (83% better than other 1998 cars)
    • 0.72% fail on Other suspension component
      • 0.56% fail on Ball joint
      • 0.10% fail on Ball joint dust cover
      • 0.051% fail on Pins and bushes
    • 0.56% fail on Anti-roll bars (82% better than other 1998 cars)
      • 0.41% fail on Pins and bushes
      • 0.051% fail on Anti-roll bar
      • 0.051% fail on Linkage pins and bushes
      • 0.051% fail on Linkage ball joints
    • 0.51% fail on Wheel bearings (63% better than other 1998 cars)
    • 0.36% fail on Sub-frames
      • 0.15% fail on Sub-frame
      • 0.15% fail on Pins and bushes
      • 0.10% fail on Sub-frame mounting prescribed areas
    • 0.20% fail on Shock absorbers (84% better than other 1998 cars)
    • 0.051% fail on Suspension rods
      • 0.051% fail on Pins and bushes
  • 5.8% fail on Visibility (21% better than other 1998 cars)
    • 3.1% fail on Wipers
    • 2.6% fail on Washers
    • 0.26% fail on Bonnet
    • 0.26% fail on View to rear
      • 0.26% fail on Mirrors
    • 0.10% fail on Condition of glass
      • 0.10% fail on Windscreen
  • 4.0% fail on Tyres
    • 2.2% fail on Condition
    • 1.8% fail on Tread depth (41% better than other 1998 cars)
    • 0.15% fail on Size/type
  • 3.5% fail on Noise, emissions and leaks (59% better than other 1998 cars)
    • 3.2% fail on Exhaust emissions (60% better than other 1998 cars)
      • 3.2% fail on Spark ignition (56% better than other 1998 cars)
        • 2.6% fail on Catalyst emissions (57% better than other 1998 cars)
        • 0.61% fail on Emissions not tested
        • 0.051% fail on Non catalyst emissions
        • 0.051% fail on Malfunction indicator lamp
    • 0.31% fail on Fluid leaks
      • 0.20% fail on Engine oil leaks
      • 0.051% fail on Transmission oil leaks
      • 0.051% fail on Other leaks
  • 3.0% fail on Body, chassis, structure (73% better than other 1998 cars)
    • 1.4% fail on Exhaust system (60% better than other 1998 cars)
    • 0.72% fail on Fuel system
      • 0.31% fail on Fuel cap/sealing device
      • 0.20% fail on Pipe
      • 0.10% fail on Hose
      • 0.051% fail on Tank
      • 0.051% fail on System
    • 0.36% fail on Integral vehicle structure (78% better than other 1998 cars)
      • 0.36% fail on Integral vehicle structure condition (77% better than other 1998 cars)
      • 0.051% fail on Sub-frame
        • 0.051% fail on Sub-frame condition
    • 0.20% fail on Body
      • 0.10% fail on Panel
      • 0.10% fail on Other body component
    • 0.15% fail on Bumpers
    • 0.15% fail on Transmission (96% better than other 1998 cars)
      • 0.15% fail on Prop shafts
        • 0.051% fail on Prop shaft
        • 0.051% fail on Flexible couplings
        • 0.051% fail on Bearing housing
    • 0.10% fail on Chassis (92% better than other 1998 cars)
      • 0.051% fail on Chassis condition
      • 0.051% fail on Strengthening plate
  • 1.7% fail on Steering (54% better than other 1998 cars)
    • 1.6% fail on Steering linkage components
      • 1.1% fail on Track rod end
      • 0.20% fail on Ball joint
      • 0.20% fail on Drag link end
      • 0.051% fail on Steering arm
      • 0.051% fail on Other components
        • 0.051% fail on Steering component
    • 0.15% fail on Steering play
      • 0.15% fail on Steering box
  • 1.4% fail on Seat belts and supplementary restraint systems (70% better than other 1998 cars)
    • 1.3% fail on SRS malfunction indicator lamp
    • 0.15% fail on Seat belts (96% better than other 1998 cars)
      • 0.15% fail on Prescribed areas (95% better than other 1998 cars)
  • 1.0% fail on Identification of the vehicle
    • 1.0% fail on Registration plates
  • 0.51% fail on Road Wheels
    • 0.41% fail on Attachment
    • 0.10% fail on Condition
  • 0.20% fail on Speedometer and speed limiter (4 times worse than other 1998 cars)
    • 0.20% fail on Speedometer (4 times worse than other 1998 cars)

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