Mercedes-Benz CLA MOT Results

Registered in 2014
82.6% pass rate
from 4,764 tests in 2020
(12% better than other 2014 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 2014 cars and highlighted areas where the Mercedes-Benz CLA is unusually good or bad.

  • 6.9% fail on Tyres (54% worse than other 2014 cars)
    • 4.7% fail on Condition (120% worse than other 2014 cars)
    • 2.4% fail on Tread depth
    • 0.084% fail on Size/type
    • 0.042% fail on Tyre pressure monitoring system
  • 3.6% fail on Lamps, reflectors and electrical equipment (37% better than other 2014 cars)
    • 1.5% fail on Headlamps
      • 1.2% fail on Headlamp
      • 0.29% fail on Headlamp cleaning device (3 times worse than other 2014 cars)
      • 0.021% fail on Dipswitch
    • 1.5% fail on Headlamp aim
      • 1.4% fail on Headlamp aim
      • 0.15% fail on Headlamp aim not tested
    • 0.38% fail on Direction indicators
      • 0.38% fail on Flashing type
        • 0.34% fail on Side repeaters
        • 0.042% fail on Individual direction indicators
    • 0.13% fail on Position lamps (72% better than other 2014 cars)
      • 0.13% fail on Position lamp (71% better than other 2014 cars)
    • 0.13% fail on Stop lamp (89% better than other 2014 cars)
    • 0.063% fail on Electrical equipment
      • 0.063% fail on Horn
    • 0.042% fail on Reversing lamps
      • 0.042% fail on Reversing lamps
    • 0.042% fail on Rear reflectors
    • 0.021% fail on Daytime running lamps
    • 0.021% fail on Front and rear fog lamps
      • 0.021% fail on Rear fog lamp
        • 0.021% fail on Rear fog lamp
    • 0.021% fail on Registration plate lamp(s)
  • 2.0% fail on Brakes (44% better than other 2014 cars)
    • 1.6% fail on Mechanical brake components (36% better than other 2014 cars)
      • 1.3% fail on Brake linings and pads (39% better than other 2014 cars)
        • 1.3% fail on Brake pads (38% better than other 2014 cars)
      • 0.36% fail on Brake discs and drums
        • 0.36% fail on Brake discs
    • 0.31% fail on Brake performance (66% better than other 2014 cars)
      • 0.19% fail on Service brake performance (66% better than other 2014 cars)
        • 0.19% fail on Rbt (65% better than other 2014 cars)
          • 0.19% fail on Service brake performance (57% better than other 2014 cars)
          • 0.021% fail on Service brake imbalance
      • 0.084% fail on Brake performance not tested
      • 0.042% fail on Service Brake Efficiency (sp)
        • 0.042% fail on Rbt (sp)
          • 0.021% fail on Service brake performance
          • 0.021% fail on Service brake imbalance
      • 0.021% fail on Parking brake efficiency (sp)
        • 0.021% fail on Rbt (sp)
    • 0.084% fail on ABS / EBS / ESC
      • 0.063% fail on Anti-lock braking system
      • 0.042% fail on Electronic stability control
    • 0.021% fail on Hydraulic systems
      • 0.021% fail on Brake fluid
    • 0.021% fail on Rigid brake pipes
    • 0.021% fail on Other components and prescribed areas
      • 0.021% fail on Other components
  • 1.8% fail on Visibility (56% better than other 2014 cars)
    • 1.3% fail on Washers
    • 0.52% fail on Wipers (81% better than other 2014 cars)
    • 0.063% fail on Condition of glass
      • 0.063% fail on Windscreen
    • 0.042% fail on Driver's view
  • 1.7% fail on Noise, emissions and leaks (89% worse than other 2014 cars)
    • 1.7% fail on Exhaust emissions (95% worse than other 2014 cars)
      • 0.88% fail on Spark ignition (110% worse than other 2014 cars)
        • 0.82% fail on Malfunction indicator lamp (2 times worse than other 2014 cars)
        • 0.063% fail on Catalyst emissions
      • 0.86% fail on Compression ignition (88% worse than other 2014 cars)
        • 0.78% fail on Malfunction indicator lamp (3 times worse than other 2014 cars)
        • 0.042% fail on Emissions not tested
        • 0.021% fail on Emission control equipment
          • 0.021% fail on Particulate filter
        • 0.021% fail on Pre 01/07/2008 Turbo
        • 0.021% fail on On or after 01/01/2014
    • 0.042% fail on Fluid leaks
      • 0.042% fail on Engine oil leaks
  • 1.1% fail on Identification of the vehicle (3 times worse than other 2014 cars)
    • 1.1% fail on Registration plates (3 times worse than other 2014 cars)
  • 0.94% fail on Seat belts and supplementary restraint systems (2 times worse than other 2014 cars)
    • 0.71% fail on SRS malfunction indicator lamp (3 times worse than other 2014 cars)
    • 0.17% fail on Airbags (22 times worse than other 2014 cars)
      • 0.10% fail on Passengers airbag (55 times worse than other 2014 cars)
      • 0.063% fail on Drivers airbag (11 times worse than other 2014 cars)
    • 0.13% fail on Seat belts
      • 0.13% fail on Condition
      • 0.021% fail on Requirements
      • 0.021% fail on Pre-tensioners
  • 0.65% fail on Suspension (71% better than other 2014 cars)
    • 0.36% fail on Springs (56% better than other 2014 cars)
      • 0.36% fail on Coil springs (56% better than other 2014 cars)
        • 0.36% fail on Coil spring (56% better than other 2014 cars)
    • 0.15% fail on Suspension arms (79% better than other 2014 cars)
      • 0.15% fail on Ball joint
    • 0.10% fail on Anti-roll bars
      • 0.042% fail on Ball joint dust cover
      • 0.042% fail on Linkage ball joint dust cover
      • 0.021% fail on Linkage ball joints
    • 0.021% fail on Shock absorbers
    • 0.021% fail on Other suspension component
      • 0.021% fail on Ball joint
  • 0.50% fail on Road Wheels (150% worse than other 2014 cars)
    • 0.31% fail on Condition (5 times worse than other 2014 cars)
    • 0.19% fail on Attachment
  • 0.21% fail on Body, chassis, structure (77% better than other 2014 cars)
    • 0.084% fail on Fuel system
      • 0.042% fail on Fuel cap/sealing device
      • 0.021% fail on Tank
      • 0.021% fail on Pipe
    • 0.084% fail on Transmission (79% better than other 2014 cars)
      • 0.063% fail on Drive shafts (83% better than other 2014 cars)
        • 0.063% fail on Joints (83% better than other 2014 cars)
      • 0.021% fail on Prop shafts
        • 0.021% fail on Joints
    • 0.021% fail on Exhaust system
    • 0.021% fail on Body
      • 0.021% fail on Other body component
  • 0.084% fail on Steering (75% better than other 2014 cars)
    • 0.042% fail on Steering gear
      • 0.042% fail on Steering rack
    • 0.021% fail on Steering linkage components
      • 0.021% fail on Track rod end
    • 0.021% fail on Steering wheel
Read the Honest John Review

  • Mercedes-Benz CLA (2013 - 2018)
    Small and stylish saloon based on the A-Class. Better quality ride. Decent sized boot given its size. Well finished interior. Better looking estate version from 2015.

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