Mercedes-Benz A-Class MOT Results

Registered in 1999
49.1% pass rate
from 318 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 1999 cars and highlighted areas where the Mercedes-Benz A-Class is unusually good or bad.

  • 25% fail on Lamps, reflectors and electrical equipment (44% worse than other 1999 cars)
    • 10% fail on Headlamps (140% worse than other 1999 cars)
      • 8.2% fail on Headlamp (110% worse than other 1999 cars)
      • 1.9% fail on Dipswitch (48 times worse than other 1999 cars)
      • 0.31% fail on Headlamp levelling device
    • 6.9% fail on Stop lamp
    • 5.0% fail on Headlamp aim
      • 4.7% fail on Headlamp aim
      • 0.63% fail on Headlamp aim not tested
    • 4.1% fail on Position lamps
      • 4.1% fail on Position lamp
    • 3.8% fail on Direction indicators
      • 3.8% fail on Flashing type
        • 2.2% fail on Individual direction indicators
        • 1.9% fail on Side repeaters
    • 3.1% fail on Registration plate lamp(s)
    • 0.31% fail on Front and rear fog lamps
      • 0.31% fail on Rear fog lamp
        • 0.31% fail on Rear fog lamp
    • 0.31% fail on Mandatory tell-tales
      • 0.31% fail on Main beam tell-tale
    • 0.31% fail on Electrical equipment
      • 0.31% fail on Horn
  • 20% fail on Suspension
    • 7.9% fail on Suspension arms
      • 4.1% fail on Pins and bushes
      • 3.5% fail on Ball joint
      • 0.63% fail on Attachment bracket and mounting (7 times worse than other 1999 cars)
      • 0.31% fail on Suspension arm
    • 3.8% fail on Springs
      • 3.8% fail on Coil springs
        • 3.8% fail on Coil spring
        • 0.63% fail on Mounting (11 times worse than other 1999 cars)
    • 3.5% fail on Shock absorbers (190% worse than other 1999 cars)
    • 3.1% fail on Component mounting prescribed areas
    • 2.8% fail on Sub-frames (2 times worse than other 1999 cars)
      • 2.2% fail on Sub-frame (9 times worse than other 1999 cars)
      • 0.63% fail on Pins and bushes
      • 0.63% fail on Sub-frame mounting prescribed areas
    • 2.2% fail on Anti-roll bars
      • 0.94% fail on Linkage ball joints
      • 0.63% fail on Linkage ball joint dust cover
      • 0.31% fail on Ball joint
      • 0.31% fail on Ball joint dust cover
    • 0.63% fail on Other suspension component
      • 0.31% fail on Pins and bushes
      • 0.31% fail on Ball joint
    • 0.31% fail on Wheel bearings
    • 0.31% fail on Macpherson strut
      • 0.31% fail on Macpherson strut
  • 14% fail on Brakes
    • 7.2% fail on Brake performance
      • 4.1% fail on Service Brake Efficiency (sp)
        • 4.1% fail on Rbt (sp)
          • 2.5% fail on Service brake performance
          • 1.9% fail on Service brake imbalance
      • 3.1% fail on Service brake performance
        • 3.1% fail on Rbt
          • 3.1% fail on Service brake performance
      • 2.5% fail on Parking brake efficiency (sp)
        • 2.5% fail on Rbt (sp)
      • 0.63% fail on Brake performance not tested
      • 0.63% fail on Parking brake performance
        • 0.63% fail on Rbt
          • 0.63% fail on Parking brake performance
    • 5.0% fail on Rigid brake pipes
    • 1.9% fail on Mechanical brake components
      • 1.3% fail on Brake linings and pads
        • 1.3% fail on Brake pads
      • 0.63% fail on Brake discs and drums
        • 0.63% fail on Brake discs
      • 0.31% fail on Brake cables, rods, levers and linkages
        • 0.31% fail on Brake slack adjuster
    • 1.3% fail on ABS / EBS / ESC
      • 1.3% fail on Anti-lock braking system
      • 0.31% fail on Electronic stability control
    • 0.94% fail on Flexible brake hoses
    • 0.63% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.63% fail on Hydraulic brake callipers
    • 0.31% fail on Parking brake control
      • 0.31% fail on Lever
    • 0.31% fail on Hydraulic systems
      • 0.31% fail on Brake fluid
  • 6.9% fail on Visibility
    • 4.4% fail on Wipers
    • 1.3% fail on Washers
    • 0.94% fail on View to rear
      • 0.94% fail on Mirrors
    • 0.31% fail on Bonnet
    • 0.31% fail on Condition of glass
      • 0.31% fail on Windscreen
  • 6.9% fail on Body, chassis, structure
    • 2.5% fail on Transmission
      • 2.5% fail on Drive shafts
        • 2.5% fail on Joints
    • 1.3% fail on Exhaust system
    • 0.94% fail on Chassis
      • 0.94% fail on Chassis condition
    • 0.94% fail on Fuel system
      • 0.63% fail on Fuel cap/sealing device
      • 0.31% fail on Tank
    • 0.94% fail on Doors
      • 0.63% fail on Other passenger's door
        • 0.63% fail on Door condition
      • 0.31% fail on Driver's door
        • 0.31% fail on Door condition
    • 0.63% fail on Integral vehicle structure
      • 0.63% fail on Integral vehicle structure condition
  • 6.3% fail on Noise, emissions and leaks
    • 6.3% fail on Exhaust emissions
      • 5.0% fail on Spark ignition
        • 4.4% fail on Catalyst emissions
        • 0.31% fail on Malfunction indicator lamp
        • 0.31% fail on Emissions not tested
      • 1.3% fail on Compression ignition
        • 0.63% fail on Pre 01/07/2008 Turbo
        • 0.31% fail on Pre 01/07/2008 Non turbo
        • 0.31% fail on On or after 01/07/2008
  • 5.7% fail on Tyres
    • 3.1% fail on Condition
    • 2.5% fail on Tread depth
    • 0.63% fail on Size/type
  • 2.2% fail on Identification of the vehicle
    • 2.2% fail on Registration plates
  • 2.2% fail on Steering
    • 0.94% fail on Steering linkage components
      • 0.94% fail on Track rod end
    • 0.31% fail on Steering gear
      • 0.31% fail on Steering rack
    • 0.31% fail on Steering coupling
      • 0.31% fail on Universal joint
    • 0.31% fail on Steering play
      • 0.31% fail on Steering rack
    • 0.31% fail on Electronic power steering
  • 1.9% fail on Seat belts and supplementary restraint systems
    • 1.3% fail on Seat belts
      • 0.63% fail on Prescribed areas
      • 0.63% fail on Condition
    • 0.63% fail on SRS malfunction indicator lamp
  • 1.6% fail on Road Wheels (3 times worse than other 1999 cars)
    • 0.94% fail on Attachment
    • 0.63% fail on Condition (6 times worse than other 1999 cars)

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