Mercedes-Benz A-Class MOT Results

Registered in 2014
78.5% pass rate
from 24,194 tests in 2021
(5.3% 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 A-Class is unusually good or bad.

  • 5.7% fail on Lamps, reflectors and electrical equipment (8.2% better than other 2014 cars)
    • 2.1% fail on Stop lamp (52% worse than other 2014 cars)
    • 1.5% fail on Headlamp aim (21% better than other 2014 cars)
      • 1.4% fail on Headlamp aim (21% better than other 2014 cars)
      • 0.12% fail on Headlamp aim not tested
    • 1.1% fail on Headlamps (31% better than other 2014 cars)
      • 1.1% fail on Headlamp (30% better than other 2014 cars)
      • 0.033% fail on Headlamp cleaning device
      • 0.012% fail on Headlamp levelling device (74% better than other 2014 cars)
    • 0.94% fail on Direction indicators (70% worse than other 2014 cars)
      • 0.94% fail on Flashing type (70% worse than other 2014 cars)
        • 0.74% fail on Side repeaters (100% worse than other 2014 cars)
        • 0.20% fail on Individual direction indicators
        • 0.012% fail on All direction indicators
    • 0.33% fail on Front and rear fog lamps
      • 0.33% fail on Rear fog lamp
        • 0.33% fail on Rear fog lamp
    • 0.21% fail on Reversing lamps (96% worse than other 2014 cars)
      • 0.19% fail on Reversing lamps (88% worse than other 2014 cars)
      • 0.012% fail on Reversing lamp switch (4 times worse than other 2014 cars)
    • 0.066% fail on Position lamps
      • 0.066% fail on Position lamp (110% worse than other 2014 cars)
    • 0.054% fail on Electrical equipment (69% better than other 2014 cars)
      • 0.037% fail on Horn (69% better than other 2014 cars)
      • 0.017% fail on Electrical wiring
    • 0.045% fail on Registration plate lamp(s) (95% better than other 2014 cars)
    • 0.012% fail on Rear reflectors
    • 0.0041% fail on Hazard warning
      • 0.0041% fail on Switch
  • 5.6% fail on Tyres (18% worse than other 2014 cars)
    • 3.1% fail on Condition (31% worse than other 2014 cars)
    • 2.8% fail on Tread depth
    • 0.041% fail on Size/type
  • 3.3% fail on Brakes (23% better than other 2014 cars)
    • 2.5% fail on Mechanical brake components
      • 2.0% fail on Brake linings and pads
        • 2.0% fail on Brake pads
        • 0.017% fail on Brake linings
      • 0.77% fail on Brake discs and drums
        • 0.77% fail on Brake discs
    • 0.69% fail on Brake performance (54% better than other 2014 cars)
      • 0.47% fail on Service brake performance (46% better than other 2014 cars)
        • 0.46% fail on Rbt (46% better than other 2014 cars)
          • 0.40% fail on Service brake performance (45% better than other 2014 cars)
          • 0.070% fail on Service brake imbalance (52% better than other 2014 cars)
        • 0.012% fail on Plate brake tester
          • 0.012% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.13% fail on Parking brake efficiency (sp) (75% better than other 2014 cars)
        • 0.13% fail on Rbt (sp) (74% better than other 2014 cars)
      • 0.079% fail on Service Brake Efficiency (sp) (56% better than other 2014 cars)
        • 0.074% fail on Rbt (sp) (57% better than other 2014 cars)
          • 0.050% fail on Service brake performance
          • 0.033% fail on Service brake imbalance (72% better than other 2014 cars)
        • 0.0041% fail on Decelerometer (sp)
      • 0.058% fail on Brake performance not tested
      • 0.025% fail on Parking brake performance (90% better than other 2014 cars)
        • 0.025% fail on Rbt (90% better than other 2014 cars)
          • 0.021% fail on Parking brake performance (90% better than other 2014 cars)
          • 0.0041% fail on Parking (secondary brake performance)
    • 0.21% fail on ABS / EBS / ESC
      • 0.15% fail on Electronic stability control
      • 0.091% fail on Anti-lock braking system
      • 0.0041% fail on Electronic braking system
    • 0.041% fail on Flexible brake hoses
    • 0.029% fail on Hydraulic systems
      • 0.017% fail on Brake fluid
      • 0.012% fail on Reservoirs
    • 0.021% fail on Service brake pedal or hand lever (85% better than other 2014 cars)
      • 0.021% fail on Pedal (65% better than other 2014 cars)
    • 0.021% fail on Other components and prescribed areas (3 times worse than other 2014 cars)
      • 0.021% fail on Other components (3 times worse than other 2014 cars)
    • 0.017% fail on Rigid brake pipes (89% better than other 2014 cars)
    • 0.012% fail on Parking brake control (92% better than other 2014 cars)
      • 0.012% fail on Electronic parking brake
    • 0.012% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.012% fail on Hydraulic brake callipers
  • 3.1% fail on Visibility (20% better than other 2014 cars)
    • 2.2% fail on Washers (29% worse than other 2014 cars)
    • 0.89% fail on Wipers (61% better than other 2014 cars)
    • 0.12% fail on Condition of glass (100% worse than other 2014 cars)
      • 0.12% fail on Windscreen (92% worse than other 2014 cars)
      • 0.0083% fail on Window (8 times worse than other 2014 cars)
    • 0.041% fail on View to rear
      • 0.037% fail on Mirrors
      • 0.0041% fail on Indirect vision devices
    • 0.0041% fail on Driver's view
    • 0.0041% fail on Bonnet
  • 2.9% fail on Seat belts and supplementary restraint systems (5 times worse than other 2014 cars)
    • 2.7% fail on SRS malfunction indicator lamp (10 times worse than other 2014 cars)
    • 0.20% fail on Airbags (20 times worse than other 2014 cars)
      • 0.17% fail on Passengers airbag (46 times worse than other 2014 cars)
      • 0.033% fail on Drivers airbag (4 times worse than other 2014 cars)
    • 0.066% fail on Seat belts (66% better than other 2014 cars)
      • 0.058% fail on Condition (69% better than other 2014 cars)
      • 0.0041% fail on Attachment
      • 0.0041% fail on Pre-tensioners
  • 2.8% fail on Noise, emissions and leaks (94% worse than other 2014 cars)
    • 2.8% fail on Exhaust emissions (100% worse than other 2014 cars)
      • 1.5% fail on Compression ignition (150% worse than other 2014 cars)
        • 1.4% fail on Malfunction indicator lamp (3 times worse than other 2014 cars)
        • 0.029% fail on Emissions not tested
        • 0.025% fail on On or after 01/01/2014 (90% better than other 2014 cars)
        • 0.0041% fail on Emission control equipment
          • 0.0041% fail on Particulate filter
        • 0.0041% fail on On or after 01/07/2008
      • 1.4% fail on Spark ignition (64% worse than other 2014 cars)
        • 1.3% fail on Malfunction indicator lamp (170% worse than other 2014 cars)
        • 0.070% fail on Catalyst emissions (77% better than other 2014 cars)
        • 0.017% fail on Emission control equipment
          • 0.017% fail on Catalytic converter
        • 0.0041% fail on Emissions not tested
    • 0.021% fail on Fluid leaks (65% better than other 2014 cars)
      • 0.017% fail on Engine oil leaks
      • 0.0041% fail on Other leaks
    • 0.0083% fail on Noise suppression
      • 0.0083% fail on Undertray
  • 2.6% fail on Suspension (46% better than other 2014 cars)
    • 1.6% fail on Springs (27% better than other 2014 cars)
      • 1.6% fail on Coil springs (27% better than other 2014 cars)
        • 1.6% fail on Coil spring (27% better than other 2014 cars)
    • 0.79% fail on Anti-roll bars (50% worse than other 2014 cars)
      • 0.48% fail on Linkage ball joint dust cover (2 times worse than other 2014 cars)
      • 0.21% fail on Ball joint dust cover (2 times worse than other 2014 cars)
      • 0.054% fail on Linkage ball joints (68% better than other 2014 cars)
      • 0.025% fail on Ball joint
      • 0.0083% fail on Linkage pins and bushes
      • 0.0041% fail on Anti-roll bar
      • 0.0041% fail on Attachment bracket and mounting
    • 0.19% fail on Suspension arms (88% better than other 2014 cars)
      • 0.17% fail on Ball joint (77% better than other 2014 cars)
      • 0.021% fail on Ball joint dust cover (88% better than other 2014 cars)
      • 0.0041% fail on Suspension arm
    • 0.029% fail on Wheel bearings (86% better than other 2014 cars)
    • 0.012% fail on Shock absorbers (96% better than other 2014 cars)
    • 0.0083% fail on Macpherson strut (82% better than other 2014 cars)
      • 0.0041% fail on Macpherson strut
      • 0.0041% fail on Ball joint
  • 0.56% fail on Road Wheels (110% worse than other 2014 cars)
    • 0.36% fail on Attachment (73% worse than other 2014 cars)
    • 0.19% fail on Condition (2 times worse than other 2014 cars)
  • 0.52% fail on Identification of the vehicle (120% worse than other 2014 cars)
    • 0.52% fail on Registration plates (130% worse than other 2014 cars)
  • 0.27% fail on Body, chassis, structure (81% better than other 2014 cars)
    • 0.074% fail on Transmission (89% better than other 2014 cars)
      • 0.070% fail on Drive shafts (89% better than other 2014 cars)
        • 0.070% fail on Joints (89% better than other 2014 cars)
      • 0.0041% fail on Prop shafts
        • 0.0041% fail on Prop shaft
    • 0.066% fail on Bumpers
    • 0.050% fail on Body
      • 0.029% fail on Other body component
      • 0.017% fail on Panel
      • 0.0041% fail on Body condition
    • 0.041% fail on Exhaust system (91% better than other 2014 cars)
    • 0.041% fail on Doors (55% better than other 2014 cars)
      • 0.037% fail on Other passenger's door
        • 0.037% fail on Door condition
      • 0.0041% fail on Front passenger's door
        • 0.0041% fail on Door condition
    • 0.0083% fail on Fuel system (90% better than other 2014 cars)
      • 0.0041% fail on Hose
      • 0.0041% fail on Fuel cap/sealing device
    • 0.0041% fail on Seats
      • 0.0041% fail on Passenger's seat
  • 0.087% fail on Steering (89% better than other 2014 cars)
    • 0.041% fail on Steering linkage components (94% better than other 2014 cars)
      • 0.029% fail on Track rod end (96% better than other 2014 cars)
      • 0.0083% fail on Drag link end
      • 0.0041% fail on Ball joint
      • 0.0041% fail on Steering arm
      • 0.0041% fail on Other components
        • 0.0041% fail on Steering component
    • 0.033% fail on Steering gear
      • 0.033% fail on Steering rack
    • 0.0083% fail on Steering wheel
    • 0.0041% fail on Power steering
      • 0.0041% fail on Other components
    • 0.0041% fail on Steering play
      • 0.0041% fail on Steering rack
  • 0.0041% fail on Seat belt installation check
    • 0.0041% fail on Belt(s)/padding
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