Mercedes-Benz CLA MOT Results

Registered in 2018
84.9% pass rate
from 9,020 tests in 2021
(22% worse than other 2018 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 2018 cars and highlighted areas where the Mercedes-Benz CLA is unusually good or bad.

  • 5.9% fail on Tyres (76% worse than other 2018 cars)
    • 4.6% fail on Condition (120% worse than other 2018 cars)
    • 1.6% fail on Tread depth
    • 0.022% fail on Size/type
  • 3.3% fail on Visibility
    • 1.9% fail on Wipers (20% better than other 2018 cars)
    • 1.3% fail on Washers (56% worse than other 2018 cars)
    • 0.18% fail on Condition of glass (120% worse than other 2018 cars)
      • 0.18% fail on Windscreen (130% worse than other 2018 cars)
    • 0.033% fail on View to rear
      • 0.033% fail on Mirrors
    • 0.022% fail on Driver's view (7 times worse than other 2018 cars)
    • 0.022% fail on Bonnet
  • 2.1% fail on Lamps, reflectors and electrical equipment (20% better than other 2018 cars)
    • 1.4% fail on Headlamp aim
      • 1.4% fail on Headlamp aim
      • 0.011% fail on Headlamp aim not tested
    • 0.41% fail on Direction indicators (93% worse than other 2018 cars)
      • 0.41% fail on Flashing type (93% worse than other 2018 cars)
        • 0.30% fail on Side repeaters (88% worse than other 2018 cars)
        • 0.089% fail on Individual direction indicators
        • 0.022% fail on All direction indicators
    • 0.21% fail on Headlamps (47% better than other 2018 cars)
      • 0.20% fail on Headlamp
      • 0.011% fail on Headlamp levelling device
    • 0.067% fail on Stop lamp (65% better than other 2018 cars)
    • 0.067% fail on Electrical equipment
      • 0.033% fail on Horn
      • 0.022% fail on Battery(ies)
      • 0.011% fail on Electrical wiring
    • 0.022% fail on Position lamps
      • 0.022% fail on Position lamp
    • 0.022% fail on Registration plate lamp(s) (84% better than other 2018 cars)
    • 0.022% fail on Rear reflectors
    • 0.011% fail on Front and rear fog lamps
      • 0.011% fail on Rear fog lamp
        • 0.011% fail on Rear fog lamp
    • 0.011% fail on Reversing lamps
      • 0.011% fail on Reversing lamps
  • 1.4% fail on Brakes
    • 1.1% fail on Mechanical brake components
      • 0.92% fail on Brake linings and pads
        • 0.91% fail on Brake pads
        • 0.011% fail on Brake linings
      • 0.24% fail on Brake discs and drums
        • 0.24% fail on Brake discs
    • 0.22% fail on Brake performance
      • 0.11% fail on Service brake performance
        • 0.100% fail on Rbt
          • 0.089% fail on Service brake performance
          • 0.011% fail on Service brake imbalance
        • 0.011% fail on Plate brake tester
          • 0.011% fail on Service brake performance
      • 0.078% fail on Parking brake efficiency (sp)
        • 0.078% fail on Rbt (sp)
      • 0.022% fail on Brake performance not tested
      • 0.011% fail on Service Brake Efficiency (sp)
        • 0.011% fail on Rbt (sp)
          • 0.011% fail on Service brake performance
      • 0.011% fail on Parking brake performance
        • 0.011% fail on Decelerometer
          • 0.011% fail on Parking (secondary brake performance)
    • 0.044% fail on Flexible brake hoses
    • 0.044% fail on ABS / EBS / ESC
      • 0.022% fail on Electronic braking system
      • 0.022% fail on Electronic stability control
      • 0.011% fail on Anti-lock braking system
    • 0.022% fail on Service brake pedal or hand lever
      • 0.022% fail on Pedal
    • 0.022% fail on Hydraulic systems
      • 0.011% fail on Reservoirs
      • 0.011% fail on Brake fluid
    • 0.011% fail on Parking brake control
      • 0.011% fail on Lever
    • 0.011% fail on Other components and prescribed areas
      • 0.011% fail on Other components
  • 0.93% fail on Road Wheels (6 times worse than other 2018 cars)
    • 0.73% fail on Condition (12 times worse than other 2018 cars)
    • 0.22% fail on Attachment (2 times worse than other 2018 cars)
  • 0.50% fail on Noise, emissions and leaks
    • 0.49% fail on Exhaust emissions
      • 0.25% fail on Compression ignition (79% worse than other 2018 cars)
        • 0.25% fail on Malfunction indicator lamp (110% worse than other 2018 cars)
      • 0.23% fail on Spark ignition
        • 0.22% fail on Malfunction indicator lamp
        • 0.022% fail on Catalyst emissions
    • 0.011% fail on Noise suppression
      • 0.011% fail on Undertray
  • 0.42% fail on Identification of the vehicle (76% worse than other 2018 cars)
    • 0.42% fail on Registration plates (76% worse than other 2018 cars)
  • 0.27% fail on Seat belts and supplementary restraint systems
    • 0.14% fail on SRS malfunction indicator lamp
    • 0.11% fail on Seat belts
      • 0.089% fail on Condition
      • 0.011% fail on Prescribed areas
      • 0.011% fail on Attachment
    • 0.011% fail on Airbags
      • 0.011% fail on Drivers airbag
  • 0.22% fail on Body, chassis, structure
    • 0.055% fail on Transmission
      • 0.044% fail on Drive shafts
        • 0.044% fail on Joints
      • 0.011% fail on Prop shafts
        • 0.011% fail on Joints
    • 0.044% fail on Body
      • 0.044% fail on Other body component
    • 0.033% fail on Exhaust system
    • 0.033% fail on Bumpers
    • 0.022% fail on Undertray
    • 0.011% fail on Fuel system
      • 0.011% fail on Fuel cap/sealing device
    • 0.011% fail on Doors
      • 0.011% fail on Other passenger's door
        • 0.011% fail on Door condition
    • 0.011% fail on Seats
      • 0.011% fail on Driver's seat
  • 0.17% fail on Suspension (53% better than other 2018 cars)
    • 0.067% fail on Suspension arms
      • 0.067% fail on Ball joint
    • 0.055% fail on Anti-roll bars
      • 0.044% fail on Linkage ball joint dust cover
      • 0.011% fail on Linkage pins and bushes
    • 0.033% fail on Wheel bearings
    • 0.022% fail on Component mounting prescribed areas (14 times worse than other 2018 cars)
    • 0.011% fail on Springs
      • 0.011% fail on Coil springs
        • 0.011% fail on Coil spring
  • 0.089% fail on Steering
    • 0.067% fail on Steering linkage components
      • 0.055% fail on Track rod end
      • 0.011% fail on Ball joint
    • 0.011% fail on Steering wheel
    • 0.011% fail on Steering column
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