Mercedes-Benz A-Class MOT Results

Registered in 2009
69.7% pass rate
from 2,171 tests in 2020
(19% better than other 2009 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 2009 cars and highlighted areas where the Mercedes-Benz A-Class is unusually good or bad.

  • 12% fail on Lamps, reflectors and electrical equipment (17% better than other 2009 cars)
    • 4.1% fail on Headlamp aim
      • 3.8% fail on Headlamp aim
      • 0.32% fail on Headlamp aim not tested
    • 2.8% fail on Direction indicators (55% worse than other 2009 cars)
      • 2.8% fail on Flashing type (55% worse than other 2009 cars)
        • 2.6% fail on Side repeaters (3 times worse than other 2009 cars)
        • 0.14% fail on Individual direction indicators (87% better than other 2009 cars)
    • 2.5% fail on Headlamps
      • 2.5% fail on Headlamp
      • 0.046% fail on Headlamp levelling device
    • 2.1% fail on Electrical equipment (3 times worse than other 2009 cars)
      • 2.1% fail on Horn (7 times worse than other 2009 cars)
      • 0.046% fail on Electrical wiring
    • 0.69% fail on Stop lamp (81% better than other 2009 cars)
    • 0.60% fail on Registration plate lamp(s) (73% better than other 2009 cars)
    • 0.32% fail on Position lamps (86% better than other 2009 cars)
      • 0.32% fail on Position lamp (85% better than other 2009 cars)
    • 0.14% fail on Front and rear fog lamps (76% better than other 2009 cars)
      • 0.14% fail on Rear fog lamp (76% better than other 2009 cars)
        • 0.14% fail on Rear fog lamp (75% better than other 2009 cars)
    • 0.046% fail on Rear reflectors
  • 8.3% fail on Brakes
    • 3.1% fail on Rigid brake pipes (3 times worse than other 2009 cars)
    • 3.1% fail on Mechanical brake components
      • 2.5% fail on Brake linings and pads
        • 2.5% fail on Brake pads
      • 1.2% fail on Brake discs and drums
        • 1.2% fail on Brake discs
        • 0.046% fail on Brake drums
    • 3.1% fail on Brake performance
      • 1.6% fail on Parking brake efficiency (sp)
        • 1.6% fail on Rbt (sp)
      • 0.97% fail on Service Brake Efficiency (sp) (110% worse than other 2009 cars)
        • 0.97% fail on Rbt (sp) (120% worse than other 2009 cars)
          • 0.69% fail on Service brake performance (6 times worse than other 2009 cars)
          • 0.28% fail on Service brake imbalance
      • 0.88% fail on Service brake performance (58% better than other 2009 cars)
        • 0.88% fail on Rbt (57% better than other 2009 cars)
          • 0.74% fail on Service brake performance (58% better than other 2009 cars)
          • 0.18% fail on Service brake imbalance
      • 0.64% fail on Parking brake performance
        • 0.64% fail on Rbt
          • 0.60% fail on Parking brake performance
          • 0.046% fail on Parking (secondary brake performance)
      • 0.046% fail on Brake performance not tested
    • 0.32% fail on Parking brake control
      • 0.32% fail on Lever
    • 0.28% fail on Service brake pedal or hand lever
      • 0.23% fail on Hand lever
      • 0.046% fail on Pedal
    • 0.14% fail on ABS / EBS / ESC
      • 0.092% fail on Anti-lock braking system
      • 0.092% fail on Electronic stability control
    • 0.092% fail on Hydraulic systems
      • 0.092% fail on Brake fluid
    • 0.092% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.092% fail on Hydraulic brake callipers
    • 0.046% fail on Flexible brake hoses
  • 6.4% fail on Suspension (50% better than other 2009 cars)
    • 2.9% fail on Springs (31% better than other 2009 cars)
      • 2.9% fail on Coil springs (31% better than other 2009 cars)
        • 2.9% fail on Coil spring (31% better than other 2009 cars)
    • 1.7% fail on Shock absorbers
    • 1.6% fail on Suspension arms (59% better than other 2009 cars)
      • 1.2% fail on Ball joint (39% better than other 2009 cars)
      • 0.23% fail on Pins and bushes (87% better than other 2009 cars)
      • 0.18% fail on Ball joint dust cover
      • 0.046% fail on Suspension arm
    • 0.23% fail on Anti-roll bars (94% better than other 2009 cars)
      • 0.092% fail on Linkage ball joints (92% better than other 2009 cars)
      • 0.092% fail on Linkage ball joint dust cover (92% better than other 2009 cars)
      • 0.046% fail on Ball joint
    • 0.14% fail on Wheel bearings (76% better than other 2009 cars)
    • 0.14% fail on Other suspension component
      • 0.14% fail on Ball joint
    • 0.046% fail on Axles
      • 0.046% fail on Swivel pins and bushes
    • 0.046% fail on Component mounting prescribed areas
  • 5.3% fail on Visibility
    • 3.9% fail on Washers (48% worse than other 2009 cars)
    • 1.1% fail on Wipers (59% better than other 2009 cars)
    • 0.32% fail on View to rear
      • 0.32% fail on Mirrors
    • 0.23% fail on Driver's view
    • 0.18% fail on Bonnet
    • 0.046% fail on Condition of glass
      • 0.046% fail on Windscreen
  • 4.1% fail on Tyres (39% better than other 2009 cars)
    • 2.3% fail on Tread depth (40% better than other 2009 cars)
    • 1.8% fail on Condition (41% better than other 2009 cars)
    • 0.092% fail on Size/type
  • 2.6% fail on Body, chassis, structure (35% better than other 2009 cars)
    • 1.8% fail on Transmission
      • 1.8% fail on Drive shafts
        • 1.8% fail on Joints
        • 0.046% fail on Flexible couplings
    • 0.14% fail on Bumpers
    • 0.14% fail on Body
      • 0.046% fail on Body condition
      • 0.046% fail on Panel
      • 0.046% fail on Other body component
    • 0.14% fail on Doors
      • 0.092% fail on Front passenger's door
        • 0.092% fail on Door condition
      • 0.046% fail on Driver's door
        • 0.046% fail on Door condition
    • 0.092% fail on Exhaust system (94% better than other 2009 cars)
    • 0.092% fail on Fuel system
      • 0.046% fail on Pipe
      • 0.046% fail on System
    • 0.092% fail on Engine mounting
      • 0.092% fail on Engine mounting condition
    • 0.046% fail on Seats
      • 0.046% fail on Passenger's seat
    • 0.046% fail on Boot lid
      • 0.046% fail on Other boot lid component
  • 2.3% fail on Noise, emissions and leaks (40% better than other 2009 cars)
    • 2.2% fail on Exhaust emissions (38% better than other 2009 cars)
      • 1.5% fail on Spark ignition
        • 1.4% fail on Malfunction indicator lamp
        • 0.092% fail on Catalyst emissions (91% better than other 2009 cars)
        • 0.092% fail on Emissions not tested
      • 0.74% fail on Compression ignition (50% better than other 2009 cars)
        • 0.55% fail on On or after 01/07/2008
        • 0.092% fail on Pre 01/07/2008 Turbo
        • 0.092% fail on Malfunction indicator lamp (80% better than other 2009 cars)
    • 0.046% fail on Fluid leaks
      • 0.046% fail on Hydraulic fluid leaks
  • 0.88% fail on Seat belts and supplementary restraint systems
    • 0.46% fail on Seat belts
      • 0.41% fail on Condition
      • 0.046% fail on Requirements
      • 0.046% fail on Pre-tensioners
    • 0.41% fail on SRS malfunction indicator lamp
  • 0.51% fail on Identification of the vehicle
    • 0.51% fail on Registration plates
  • 0.41% fail on Steering (78% better than other 2009 cars)
    • 0.28% fail on Steering linkage components (82% better than other 2009 cars)
      • 0.18% fail on Track rod end (87% better than other 2009 cars)
      • 0.14% fail on Ball joint
    • 0.092% fail on Steering gear
      • 0.092% fail on Steering rack
    • 0.046% fail on Steering play
      • 0.046% fail on Steering rack
  • 0.18% fail on Road Wheels
    • 0.14% fail on Condition
    • 0.046% fail on Attachment
  • 0.046% fail on Seat belt installation check
    • 0.046% fail on Belt(s)/padding
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