Mercedes-Benz CLS MOT Results

Registered in 2009
70.8% pass rate
from 1,383 tests in 2017
(11% 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 Tyres (51% worse than other 2009 cars)
    • 7.4% fail on Condition (110% worse than other 2009 cars)
    • 4.0% fail on Tread depth
    • 0.22% fail on Tyre pressure monitoring system
    • 0.22% fail on Size/type
    • 0.072% fail on Valve stem
  • 8.9% fail on Lamps, Reflectors and Electrical Equipment (42% better than other 2009 cars)
    • 3.0% fail on Headlamp aim
    • 2.4% fail on Headlamps
      • 2.1% fail on Headlamp
      • 0.14% fail on Headlamp defects which do require an aim check on retest
        • 0.14% fail on Headlamp cleaning device (11 times worse than other 2009 cars)
      • 0.072% fail on Headlamp defects which don't require an aim check on retest
        • 0.072% fail on Headlamp cleaning device
      • 0.072% fail on Switch
    • 1.5% fail on Position lamps (59% better than other 2009 cars)
      • 1.3% fail on Front lamps (56% better than other 2009 cars)
      • 0.14% fail on All position lamps
      • 0.072% fail on Rear lamps
    • 1.4% fail on Direction indicators
      • 1.4% fail on Flashing type
        • 0.87% fail on Side repeaters
        • 0.29% fail on Individual lamps
        • 0.22% fail on All direction indicators
    • 0.87% fail on Registration plate lamp (79% better than other 2009 cars)
    • 0.87% fail on Stop lamp (73% better than other 2009 cars)
    • 0.22% fail on Horn
    • 0.14% fail on Rear fog lamp
      • 0.14% fail on Fog lamp
    • 0.072% fail on Rear reflectors
    • 0.072% fail on Headlamp aim not tested
  • 8.7% fail on Suspension
    • 3.6% fail on Coil springs
      • 3.6% fail on Condition
    • 2.8% fail on Suspension arms (52% worse than other 2009 cars)
      • 2.8% fail on Pins/bushes/ball joints (56% worse than other 2009 cars)
    • 2.4% fail on Front suspension joints (3 times worse than other 2009 cars)
    • 0.22% fail on Wheel bearings
      • 0.14% fail on Front
      • 0.072% fail on Rear
    • 0.14% fail on Tie bars/rods
      • 0.14% fail on Pins/bushes/ball joints
    • 0.14% fail on Torque/reaction arms (25 times worse than other 2009 cars)
      • 0.14% fail on Pins/bushes/ball joints (26 times worse than other 2009 cars)
    • 0.072% fail on Radius arms
      • 0.072% fail on Pins/bushes/ball joints
    • 0.072% fail on Shock absorbers
      • 0.072% fail on Condition
  • 5.6% fail on Brakes
    • 2.7% fail on Hydraulic systems (2 times worse than other 2009 cars)
      • 2.6% fail on Components (2 times worse than other 2009 cars)
        • 2.6% fail on Pipes (4 times worse than other 2009 cars)
      • 0.072% fail on Operation
      • 0.072% fail on Leaks
    • 1.7% fail on Hub components (41% better than other 2009 cars)
      • 1.6% fail on Brake pads
      • 0.072% fail on Brake discs
      • 0.072% fail on Brake back plates
    • 1.4% fail on Brake performance (52% better than other 2009 cars)
      • 0.51% fail on Rear wheels (66% better than other 2009 cars)
      • 0.43% fail on Front wheels
      • 0.36% fail on Parking brake performance
      • 0.072% fail on Brake imbalance
      • 0.072% fail on Service brake performance
      • 0.072% fail on Brake performance not tested
    • 0.072% fail on Electronic stability system
    • 0.072% fail on Service brake control components
      • 0.072% fail on Pedal
        • 0.072% fail on Condition
    • 0.072% fail on ABS
  • 2.7% fail on Driver's view of the road (49% better than other 2009 cars)
    • 1.6% fail on Washers
    • 0.87% fail on Wipers (69% better than other 2009 cars)
    • 0.14% fail on Windscreen
    • 0.072% fail on Bonnet
  • 2.5% fail on Steering (110% worse than other 2009 cars)
    • 2.0% fail on Steering system (90% worse than other 2009 cars)
      • 1.6% fail on Track rod end (110% worse than other 2009 cars)
      • 0.43% fail on Ball joint (3 times worse than other 2009 cars)
      • 0.072% fail on Steering arm
    • 0.29% fail on Power steering
      • 0.14% fail on Operation
      • 0.072% fail on Pump
      • 0.072% fail on Other components
    • 0.14% fail on Steering operation (5 times worse than other 2009 cars)
  • 1.4% fail on Exhaust, Fuel and Emissions
    • 0.87% fail on Exhaust system
    • 0.58% fail on Fuel system (190% worse than other 2009 cars)
      • 0.36% fail on System (3 times worse than other 2009 cars)
      • 0.14% fail on Pipe (6 times worse than other 2009 cars)
      • 0.072% fail on Hose
    • 0.072% fail on Emissions not tested
  • 1.1% fail on Road Wheels (2 times worse than other 2009 cars)
    • 0.80% fail on Condition (5 times worse than other 2009 cars)
    • 0.29% fail on Attachment
  • 0.58% fail on Seat Belts and Supplementary Restraint Systems
    • 0.43% fail on Supplementary restraint systems
      • 0.36% fail on SRS Malfunction Indicator Lamp
      • 0.072% fail on Drivers airbag
    • 0.22% fail on Seat belts
      • 0.22% fail on Condition
  • 0.58% fail on Registration plates and VIN
    • 0.58% fail on Registration plate
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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