Mercedes-Benz CLS MOT Results

Registered in 2009
67.9% pass rate
from 1,592 tests in 2020
(12% better than other 2009 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 2009 cars and highlighted areas where the Mercedes-Benz CLS is unusually good or bad.

  • 11% fail on Suspension
    • 5.8% fail on Suspension arms (47% worse than other 2009 cars)
      • 4.3% fail on Ball joint (120% worse than other 2009 cars)
      • 0.94% fail on Ball joint dust cover (140% worse than other 2009 cars)
      • 0.82% fail on Pins and bushes (52% better than other 2009 cars)
      • 0.063% fail on Suspension arm
      • 0.063% fail on Attachment bracket and mounting
    • 4.3% fail on Springs
      • 4.3% fail on Coil springs
        • 4.3% fail on Coil spring
    • 1.7% fail on Other suspension component (5 times worse than other 2009 cars)
      • 1.7% fail on Ball joint (10 times worse than other 2009 cars)
    • 0.31% fail on Wheel bearings
    • 0.19% fail on Shock absorbers (87% better than other 2009 cars)
    • 0.13% fail on Suspension rods
      • 0.13% fail on Ball joint (7 times worse than other 2009 cars)
    • 0.063% fail on Axles
      • 0.063% fail on Swivel pins and bushes
    • 0.063% fail on Sub-frames
      • 0.063% fail on Sub-frame mounting prescribed areas
  • 9.4% fail on Tyres (42% worse than other 2009 cars)
    • 6.0% fail on Condition (100% worse than other 2009 cars)
    • 3.9% fail on Tread depth
    • 0.31% fail on Size/type
  • 8.4% fail on Lamps, reflectors and electrical equipment (40% better than other 2009 cars)
    • 2.8% fail on Headlamp aim
      • 2.6% fail on Headlamp aim
      • 0.25% fail on Headlamp aim not tested
    • 2.4% fail on Headlamps
      • 2.3% fail on Headlamp
      • 0.063% fail on Headlamp levelling device
      • 0.063% fail on Headlamp cleaning device
    • 1.6% fail on Direction indicators
      • 1.6% fail on Flashing type
        • 0.88% fail on Side repeaters
        • 0.75% fail on Individual direction indicators
    • 1.1% fail on Position lamps (50% better than other 2009 cars)
      • 1.1% fail on Position lamp (49% better than other 2009 cars)
    • 0.69% fail on Registration plate lamp(s) (68% better than other 2009 cars)
    • 0.57% fail on Stop lamp (84% better than other 2009 cars)
    • 0.25% fail on Reversing lamps
      • 0.25% fail on Reversing lamps
    • 0.13% fail on Front and rear fog lamps
      • 0.13% fail on Rear fog lamp
        • 0.13% fail on Rear fog lamp
  • 8.2% fail on Brakes
    • 5.5% fail on Rigid brake pipes (6 times worse than other 2009 cars)
    • 1.8% fail on Brake performance (54% better than other 2009 cars)
      • 0.75% fail on Parking brake efficiency (sp) (52% better than other 2009 cars)
        • 0.69% fail on Rbt (sp) (54% better than other 2009 cars)
        • 0.063% fail on Decelerometer (sp)
      • 0.69% fail on Service brake performance (67% better than other 2009 cars)
        • 0.69% fail on Rbt (66% better than other 2009 cars)
          • 0.69% fail on Service brake performance (60% better than other 2009 cars)
      • 0.25% fail on Parking brake performance
        • 0.13% fail on Rbt (81% better than other 2009 cars)
          • 0.063% fail on Parking brake performance
          • 0.063% fail on Parking (secondary brake performance)
        • 0.13% fail on Plate brake tester (5 times worse than other 2009 cars)
          • 0.13% fail on Parking brake performance (14 times worse than other 2009 cars)
      • 0.19% fail on Brake performance not tested
      • 0.19% fail on Service Brake Efficiency (sp)
        • 0.19% fail on Rbt (sp)
          • 0.13% fail on Service brake imbalance
          • 0.063% fail on Service brake performance
    • 1.3% fail on Mechanical brake components (61% better than other 2009 cars)
      • 1.1% fail on Brake linings and pads (56% better than other 2009 cars)
        • 1.1% fail on Brake pads (55% better than other 2009 cars)
      • 0.25% fail on Brake discs and drums (77% better than other 2009 cars)
        • 0.25% fail on Brake discs (77% better than other 2009 cars)
    • 0.19% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.13% fail on Hydraulic brake callipers
      • 0.063% fail on Hydraulic brake cylinder
    • 0.13% fail on Service brake pedal or hand lever
      • 0.13% fail on Pedal
    • 0.063% fail on Parking brake control
      • 0.063% fail on Lever
    • 0.063% fail on Hydraulic systems
      • 0.063% fail on Reservoirs
    • 0.063% fail on Flexible brake hoses
    • 0.063% fail on ABS / EBS / ESC
      • 0.063% fail on Anti-lock braking system
  • 4.2% fail on Visibility
    • 2.3% fail on Washers
    • 1.8% fail on Wipers
    • 0.19% fail on Driver's view
    • 0.063% fail on Condition of glass
      • 0.063% fail on Windscreen
  • 2.4% fail on Steering
    • 2.1% fail on Steering linkage components
      • 2.0% fail on Track rod end
      • 0.063% fail on Ball joint
      • 0.063% fail on Steering arm
    • 0.44% fail on Power steering (4 times worse than other 2009 cars)
      • 0.31% fail on Operation (8 times worse than other 2009 cars)
      • 0.063% fail on Pipes and hoses
      • 0.063% fail on Other components
    • 0.063% fail on Steering gear
      • 0.063% fail on Steering rack
    • 0.063% fail on Steering play
      • 0.063% fail on Steering rack
  • 2.0% fail on Noise, emissions and leaks (47% better than other 2009 cars)
    • 1.8% fail on Exhaust emissions (49% better than other 2009 cars)
      • 1.4% fail on Compression ignition
        • 1.0% fail on On or after 01/07/2008
        • 0.25% fail on Malfunction indicator lamp
        • 0.063% fail on Pre 01/07/2008 Turbo
        • 0.063% fail on Emissions not tested
      • 0.44% fail on Spark ignition (79% better than other 2009 cars)
        • 0.31% fail on Malfunction indicator lamp (69% better than other 2009 cars)
        • 0.063% fail on Catalyst emissions
        • 0.063% fail on Emissions not tested
    • 0.25% fail on Fluid leaks
      • 0.19% fail on Engine oil leaks
      • 0.063% fail on Transmission oil leaks
  • 1.6% fail on Body, chassis, structure (59% better than other 2009 cars)
    • 0.94% fail on Exhaust system
    • 0.31% fail on Fuel system
      • 0.13% fail on Pipe
      • 0.13% fail on System
      • 0.063% fail on Hose
    • 0.25% fail on Doors
      • 0.19% fail on Other passenger's door
        • 0.19% fail on Door condition
      • 0.063% fail on Driver's door
        • 0.063% fail on Door condition
    • 0.063% fail on Chassis
      • 0.063% fail on Chassis condition
    • 0.063% fail on Seats
      • 0.063% fail on Driver's seat
    • 0.063% fail on Undertray
  • 0.82% fail on Road Wheels
    • 0.57% fail on Condition (3 times worse than other 2009 cars)
    • 0.25% fail on Attachment
  • 0.57% fail on Seat belts and supplementary restraint systems
    • 0.50% fail on SRS malfunction indicator lamp
    • 0.063% fail on Seat belts
      • 0.063% fail on Condition
  • 0.44% fail on Identification of the vehicle
    • 0.44% fail on Registration plates
Read the Honest John Review

  • Mercedes-Benz CLS (2005 - 2011)
    Dramatically different from any other Mercedes, wonderful styling, great engines and transmissions, incredibly refined with a forgiving ride.

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