Mercedes-Benz CLA MOT Results

Registered in 2009
61.9% pass rate
from 118 tests in 2020
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 CLA is unusually good or bad.

  • 14% fail on Lamps, reflectors and electrical equipment
    • 5.1% fail on Direction indicators
      • 5.1% fail on Flashing type
        • 3.4% fail on Side repeaters (4 times worse than other 2009 cars)
        • 1.7% fail on Individual direction indicators
    • 4.2% fail on Headlamps
      • 3.4% fail on Headlamp
      • 0.85% fail on Headlamp levelling device
    • 2.5% fail on Headlamp aim
      • 2.5% fail on Headlamp aim
    • 0.85% fail on Position lamps
      • 0.85% fail on Position lamp
    • 0.85% fail on Outline marker lamps
      • 0.85% fail on All outline marker lamps
      • 0.85% fail on Outline marker lamp
    • 0.85% fail on Stop lamp
    • 0.85% fail on Registration plate lamp(s)
    • 0.85% fail on Rear reflectors
    • 0.85% fail on Electrical equipment
      • 0.85% fail on Electrical wiring
  • 13% fail on Suspension
    • 6.8% fail on Suspension arms
      • 5.9% fail on Ball joint (2 times worse than other 2009 cars)
      • 0.85% fail on Ball joint dust cover
    • 3.4% fail on Springs
      • 1.7% fail on Leaf springs (1488 times worse than other 2009 cars)
        • 1.7% fail on Fixings and fixing bolts (14148 times worse than other 2009 cars)
      • 1.7% fail on Coil springs
        • 1.7% fail on Coil spring
    • 2.5% fail on Anti-roll bars
      • 0.85% fail on Pins and bushes
      • 0.85% fail on Linkage
      • 0.85% fail on Linkage ball joint dust cover
    • 0.85% fail on Shock absorbers
    • 0.85% fail on Other suspension component
      • 0.85% fail on Ball joint
  • 11% fail on Brakes
    • 7.6% fail on Brake performance
      • 4.2% fail on Parking brake efficiency (sp)
        • 4.2% fail on Rbt (sp)
      • 2.5% fail on Service brake performance
        • 2.5% fail on Rbt
          • 1.7% fail on Service brake performance
          • 0.85% fail on Service brake imbalance
      • 1.7% fail on Parking brake performance
        • 1.7% fail on Rbt
          • 1.7% fail on Parking brake performance
      • 0.85% fail on Service Brake Efficiency (sp)
        • 0.85% fail on Rbt (sp)
          • 0.85% fail on Service brake imbalance
    • 2.5% fail on Parking brake control (6 times worse than other 2009 cars)
      • 2.5% fail on Lever (7 times worse than other 2009 cars)
    • 1.7% fail on Rigid brake pipes
    • 0.85% fail on Service brake pedal or hand lever
      • 0.85% fail on Pedal
    • 0.85% fail on ABS / EBS / ESC
      • 0.85% fail on Anti-lock braking system
      • 0.85% fail on Electronic stability control
  • 7.6% fail on Noise, emissions and leaks
    • 5.1% fail on Exhaust emissions
      • 3.4% fail on Compression ignition
        • 1.7% fail on Malfunction indicator lamp
        • 0.85% fail on On or after 01/07/2008
        • 0.85% fail on Emissions not tested
      • 1.7% fail on Spark ignition
        • 1.7% fail on Malfunction indicator lamp
    • 2.5% fail on Fluid leaks (9 times worse than other 2009 cars)
      • 1.7% fail on Engine oil leaks (7 times worse than other 2009 cars)
      • 0.85% fail on Transmission oil leaks
  • 7.6% fail on Tyres
    • 5.1% fail on Tread depth
    • 2.5% fail on Condition
  • 5.1% fail on Steering
    • 4.2% fail on Steering linkage components
      • 4.2% fail on Track rod end
      • 0.85% fail on Steering arm
    • 0.85% fail on Power steering
      • 0.85% fail on Pipes and hoses
  • 5.1% fail on Body, chassis, structure
    • 1.7% fail on Transmission
      • 0.85% fail on Drive shafts
        • 0.85% fail on Joints
      • 0.85% fail on Prop shafts
        • 0.85% fail on Prop shaft
    • 0.85% fail on Chassis
      • 0.85% fail on Strengthening plate
    • 0.85% fail on Exhaust system
    • 0.85% fail on Seats
      • 0.85% fail on Driver's seat
    • 0.85% fail on Undertray
  • 3.4% fail on Visibility
    • 1.7% fail on Wipers
    • 0.85% fail on Condition of glass
      • 0.85% fail on Windscreen
    • 0.85% fail on Washers
  • 0.85% fail on Identification of the vehicle
    • 0.85% fail on Registration plates

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