Mercedes-Benz A-Class MOT Results

Registered in 2004
49.2% pass rate
from 1,364 tests in 2020
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 2004 cars and highlighted areas where the Mercedes-Benz A-Class is unusually good or bad.

  • 24% fail on Lamps, reflectors and electrical equipment (20% worse than other 2004 cars)
    • 9.2% fail on Stop lamp (82% worse than other 2004 cars)
    • 6.7% fail on Headlamps
      • 6.5% fail on Headlamp
      • 0.15% fail on Dipswitch (6 times worse than other 2004 cars)
      • 0.15% fail on Headlamp levelling device
    • 4.9% fail on Headlamp aim
      • 4.4% fail on Headlamp aim
      • 0.51% fail on Headlamp aim not tested
    • 3.4% fail on Direction indicators
      • 3.4% fail on Flashing type
        • 2.4% fail on Individual direction indicators
        • 0.66% fail on Side repeaters
        • 0.29% fail on All direction indicators
        • 0.29% fail on Switch (24 times worse than other 2004 cars)
    • 3.2% fail on Registration plate lamp(s)
    • 3.2% fail on Position lamps
      • 3.0% fail on Position lamp
      • 0.15% fail on All position lamps
    • 0.37% fail on Front and rear fog lamps (70% better than other 2004 cars)
      • 0.37% fail on Rear fog lamp (70% better than other 2004 cars)
        • 0.37% fail on Rear fog lamp (70% better than other 2004 cars)
    • 0.37% fail on Electrical equipment
      • 0.37% fail on Horn
    • 0.15% fail on Hazard warning
      • 0.15% fail on Switch
    • 0.073% fail on Mandatory tell-tales
      • 0.073% fail on Main beam tell-tale
  • 17% fail on Suspension
    • 8.5% fail on Springs (120% worse than other 2004 cars)
      • 8.5% fail on Coil springs (120% worse than other 2004 cars)
        • 8.3% fail on Coil spring (120% worse than other 2004 cars)
        • 0.29% fail on Mounting (6 times worse than other 2004 cars)
    • 4.5% fail on Suspension arms
      • 3.5% fail on Pins and bushes
      • 0.95% fail on Ball joint (66% better than other 2004 cars)
      • 0.073% fail on Suspension arm
      • 0.073% fail on Attachment bracket and mounting
      • 0.073% fail on Ball joint dust cover
    • 4.3% fail on Shock absorbers (190% worse than other 2004 cars)
    • 1.5% fail on Anti-roll bars (75% better than other 2004 cars)
      • 0.66% fail on Linkage ball joints (66% better than other 2004 cars)
      • 0.29% fail on Ball joint
      • 0.22% fail on Pins and bushes
      • 0.22% fail on Ball joint dust cover (74% better than other 2004 cars)
      • 0.15% fail on Linkage ball joint dust cover (92% better than other 2004 cars)
      • 0.073% fail on Anti-roll bar
      • 0.073% fail on Linkage pins and bushes
    • 0.66% fail on Sub-frames
      • 0.29% fail on Sub-frame
      • 0.22% fail on Sub-frame mounting prescribed areas
      • 0.15% fail on Pins and bushes
    • 0.59% fail on Component mounting prescribed areas (67% better than other 2004 cars)
    • 0.51% fail on Wheel bearings (68% better than other 2004 cars)
    • 0.44% fail on Macpherson strut
      • 0.29% fail on Macpherson strut (3 times worse than other 2004 cars)
      • 0.15% fail on Attachment bracket and mounting
    • 0.29% fail on Axles
      • 0.22% fail on Swivel pins and bushes
      • 0.073% fail on Stub axle
    • 0.073% fail on Suspension rods
      • 0.073% fail on Ball joint
    • 0.073% fail on Other suspension component
      • 0.073% fail on Ball joint
  • 14% fail on Brakes
    • 6.7% fail on Rigid brake pipes (83% worse than other 2004 cars)
    • 4.6% fail on Brake performance (39% better than other 2004 cars)
      • 2.4% fail on Service brake performance
        • 2.4% fail on Rbt
          • 1.8% fail on Service brake performance
          • 0.66% fail on Service brake imbalance
          • 0.073% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
      • 1.5% fail on Service Brake Efficiency (sp)
        • 1.5% fail on Rbt (sp)
          • 1.0% fail on Service brake performance (2 times worse than other 2004 cars)
          • 0.44% fail on Service brake imbalance
      • 0.81% fail on Parking brake efficiency (sp) (81% better than other 2004 cars)
        • 0.81% fail on Rbt (sp) (80% better than other 2004 cars)
      • 0.44% fail on Brake performance not tested
      • 0.29% fail on Parking brake performance (84% better than other 2004 cars)
        • 0.29% fail on Rbt (84% better than other 2004 cars)
          • 0.29% fail on Parking brake performance (81% better than other 2004 cars)
    • 3.4% fail on Mechanical brake components
      • 3.2% fail on Brake linings and pads
        • 3.2% fail on Brake pads
      • 0.66% fail on Brake discs and drums
        • 0.66% fail on Brake discs
      • 0.073% fail on Brake cables, rods, levers and linkages
        • 0.073% fail on Cable
    • 1.7% fail on ABS / EBS / ESC
      • 1.2% fail on Anti-lock braking system
      • 0.95% fail on Electronic stability control (170% worse than other 2004 cars)
      • 0.073% fail on Electronic braking system
    • 0.44% fail on Flexible brake hoses
    • 0.29% fail on Hydraulic systems
      • 0.22% fail on Brake fluid
      • 0.073% fail on Reservoirs
    • 0.22% fail on Parking brake control
      • 0.22% fail on Lever
    • 0.073% fail on Service brake pedal or hand lever
      • 0.073% fail on Hand lever
    • 0.073% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.073% fail on Hydraulic brake callipers
  • 12% fail on Visibility (53% worse than other 2004 cars)
    • 7.3% fail on Wipers (77% worse than other 2004 cars)
    • 5.5% fail on Washers (50% worse than other 2004 cars)
    • 0.66% fail on View to rear
      • 0.59% fail on Mirrors
      • 0.073% fail on Indirect vision devices
    • 0.59% fail on Bonnet (180% worse than other 2004 cars)
    • 0.37% fail on Driver's view
    • 0.073% fail on Condition of glass
      • 0.073% fail on Windscreen
  • 8.4% fail on Tyres
    • 5.3% fail on Tread depth
    • 3.4% fail on Condition
    • 0.59% fail on Size/type
  • 7.1% fail on Noise, emissions and leaks
    • 7.1% fail on Exhaust emissions
      • 6.2% fail on Spark ignition
        • 5.4% fail on Malfunction indicator lamp (59% worse than other 2004 cars)
        • 0.88% fail on Catalyst emissions (66% better than other 2004 cars)
        • 0.22% fail on Emissions not tested
      • 0.95% fail on Compression ignition
        • 0.59% fail on Pre 01/07/2008 Turbo
        • 0.44% fail on Malfunction indicator lamp
        • 0.073% fail on On or after 01/07/2008
    • 0.22% fail on Fluid leaks
      • 0.15% fail on Engine oil leaks
      • 0.073% fail on Hydraulic fluid leaks
  • 5.1% fail on Body, chassis, structure (44% better than other 2004 cars)
    • 1.8% fail on Transmission (50% better than other 2004 cars)
      • 1.6% fail on Drive shafts (54% better than other 2004 cars)
        • 1.5% fail on Joints (55% better than other 2004 cars)
        • 0.073% fail on Flexible couplings
      • 0.29% fail on Prop shafts
        • 0.29% fail on Joints
    • 1.3% fail on Exhaust system (62% better than other 2004 cars)
    • 0.51% fail on Doors
      • 0.44% fail on Other passenger's door
        • 0.37% fail on Door condition
        • 0.073% fail on Catch
      • 0.073% fail on Driver's door
        • 0.073% fail on Door condition
    • 0.44% fail on Bumpers
    • 0.37% fail on Fuel system
      • 0.22% fail on Fuel cap/sealing device
      • 0.073% fail on Tank
      • 0.073% fail on Pipe
    • 0.22% fail on Body
      • 0.15% fail on Panel
      • 0.073% fail on Other body component
    • 0.15% fail on Chassis
      • 0.15% fail on Chassis condition
    • 0.15% fail on Engine mounting
      • 0.15% fail on Engine mounting condition
    • 0.073% fail on Towbar
      • 0.073% fail on Towbar condition
    • 0.073% fail on Seats
      • 0.073% fail on Driver's seat
    • 0.073% fail on Undertray
  • 4.2% fail on Seat belts and supplementary restraint systems
    • 3.4% fail on SRS malfunction indicator lamp (110% worse than other 2004 cars)
    • 0.88% fail on Seat belts
      • 0.81% fail on Condition
      • 0.073% fail on Requirements
  • 1.5% fail on Identification of the vehicle (100% worse than other 2004 cars)
    • 1.5% fail on Registration plates (100% worse than other 2004 cars)
  • 1.2% fail on Steering (76% better than other 2004 cars)
    • 0.37% fail on Steering linkage components (90% better than other 2004 cars)
      • 0.15% fail on Track rod end (96% better than other 2004 cars)
      • 0.073% fail on Ball joint
      • 0.073% fail on Intermediate drop arm
      • 0.073% fail on Steering arm
    • 0.22% fail on Power steering
      • 0.22% fail on Operation
    • 0.15% fail on Steering gear (81% better than other 2004 cars)
      • 0.073% fail on Operation
      • 0.073% fail on Steering rack
    • 0.15% fail on Steering wheel (5 times worse than other 2004 cars)
    • 0.15% fail on Steering column (6 times worse than other 2004 cars)
    • 0.15% fail on Steering play
      • 0.15% fail on Steering rack
  • 0.51% fail on Road Wheels
    • 0.29% fail on Attachment
    • 0.22% fail on Condition
  • 0.073% fail on Speedometer and speed limiter
    • 0.073% fail on Speedometer

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