Mercedes-Benz CLS MOT Results

Registered in 2015
82.8% pass rate
from 3,060 tests in 2020
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 2015 cars and highlighted areas where the Mercedes-Benz CLS is unusually good or bad.

  • 6.8% fail on Tyres (78% worse than other 2015 cars)
    • 4.9% fail on Condition (170% worse than other 2015 cars)
    • 2.2% fail on Tread depth
    • 0.065% fail on Tyre pressure monitoring system
    • 0.033% fail on Size/type
  • 2.8% fail on Brakes
    • 1.4% fail on Mechanical brake components
      • 1.3% fail on Brake linings and pads
        • 1.3% fail on Brake pads
      • 0.23% fail on Brake discs and drums
        • 0.23% fail on Brake discs
    • 1.2% fail on Brake performance (100% worse than other 2015 cars)
      • 0.72% fail on Parking brake performance (8 times worse than other 2015 cars)
        • 0.65% fail on Rbt (8 times worse than other 2015 cars)
          • 0.62% fail on Parking brake performance (9 times worse than other 2015 cars)
          • 0.033% fail on Parking (secondary brake performance)
        • 0.065% fail on Plate brake tester (28 times worse than other 2015 cars)
          • 0.033% fail on Parking brake performance
          • 0.033% fail on Parking (secondary brake performance)
      • 0.59% fail on Parking brake efficiency (sp) (2 times worse than other 2015 cars)
        • 0.56% fail on Rbt (sp) (2 times worse than other 2015 cars)
        • 0.033% fail on Decelerometer (sp)
      • 0.20% fail on Service brake performance
        • 0.20% fail on Rbt
          • 0.16% fail on Service brake performance
          • 0.033% fail on Service brake imbalance
      • 0.033% fail on Brake performance not tested
    • 0.20% fail on Parking brake control
      • 0.20% fail on Lever
    • 0.065% fail on Service brake pedal or hand lever
      • 0.033% fail on Pedal
      • 0.033% fail on Hand lever
    • 0.033% fail on Hydraulic systems
      • 0.033% fail on Reservoirs
    • 0.033% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.033% fail on Hydraulic brake callipers
    • 0.033% fail on ABS / EBS / ESC
      • 0.033% fail on Anti-lock braking system
  • 2.4% fail on Lamps, reflectors and electrical equipment (40% better than other 2015 cars)
    • 1.9% fail on Headlamp aim
      • 1.9% fail on Headlamp aim
    • 0.16% fail on Headlamps (77% better than other 2015 cars)
      • 0.13% fail on Headlamp (80% better than other 2015 cars)
      • 0.033% fail on Headlamp levelling device
    • 0.16% fail on Direction indicators
      • 0.16% fail on Flashing type
        • 0.13% fail on Side repeaters
        • 0.033% fail on Individual direction indicators
    • 0.13% fail on Front and rear fog lamps
      • 0.13% fail on Rear fog lamp
        • 0.13% fail on Rear fog lamp
    • 0.033% fail on Position lamps
      • 0.033% fail on Position lamp
    • 0.033% fail on Reversing lamps
      • 0.033% fail on Reversing lamps
  • 2.0% fail on Noise, emissions and leaks (2 times worse than other 2015 cars)
    • 2.0% fail on Exhaust emissions (2 times worse than other 2015 cars)
      • 1.2% fail on Compression ignition (3 times worse than other 2015 cars)
        • 1.2% fail on Malfunction indicator lamp (7 times worse than other 2015 cars)
        • 0.033% fail on Emissions not tested
      • 0.78% fail on Spark ignition (160% worse than other 2015 cars)
        • 0.75% fail on Malfunction indicator lamp (2 times worse than other 2015 cars)
        • 0.033% fail on Catalyst emissions
  • 1.1% fail on Identification of the vehicle (3 times worse than other 2015 cars)
    • 1.1% fail on Registration plates (3 times worse than other 2015 cars)
  • 0.92% fail on Visibility (76% better than other 2015 cars)
    • 0.33% fail on Wipers (88% better than other 2015 cars)
    • 0.33% fail on Washers (69% better than other 2015 cars)
    • 0.20% fail on Condition of glass (2 times worse than other 2015 cars)
      • 0.20% fail on Windscreen (2 times worse than other 2015 cars)
    • 0.065% fail on Bonnet
    • 0.033% fail on Driver's view
    • 0.033% fail on View to rear
      • 0.033% fail on Mirrors
  • 0.49% fail on Road Wheels (2 times worse than other 2015 cars)
    • 0.36% fail on Condition (6 times worse than other 2015 cars)
    • 0.13% fail on Attachment
  • 0.33% fail on Body, chassis, structure
    • 0.098% fail on Exhaust system
    • 0.065% fail on Fuel system
      • 0.033% fail on Hose
      • 0.033% fail on Pipe
    • 0.065% fail on Body
      • 0.065% fail on Other body component
    • 0.065% fail on Seats
      • 0.033% fail on Driver's seat
      • 0.033% fail on Passenger's seat
    • 0.033% fail on Bumpers
  • 0.26% fail on Suspension (80% better than other 2015 cars)
    • 0.098% fail on Springs (78% better than other 2015 cars)
      • 0.098% fail on Coil springs (78% better than other 2015 cars)
        • 0.098% fail on Coil spring (78% better than other 2015 cars)
    • 0.065% fail on Air/gas/fluid suspension (23 times worse than other 2015 cars)
      • 0.033% fail on Operation
      • 0.033% fail on Suspension unit
    • 0.033% fail on Wheel bearings
    • 0.033% fail on Shock absorbers
    • 0.033% fail on Anti-roll bars
      • 0.033% fail on Linkage ball joint dust cover
  • 0.23% fail on Seat belts and supplementary restraint systems
    • 0.20% fail on SRS malfunction indicator lamp
    • 0.065% fail on Seat belts
      • 0.033% fail on Attachment
      • 0.033% fail on Condition
    • 0.033% fail on Airbags
      • 0.033% fail on Drivers airbag
      • 0.033% fail on Passengers airbag
  • 0.033% fail on Steering
    • 0.033% fail on Electronic power steering
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