Mercedes-Benz A-Class MOT Results

Registered in 2008
62.1% pass rate
from 8,243 tests in 2021
(8.7% better than other 2008 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 2008 cars and highlighted areas where the Mercedes-Benz A-Class is unusually good or bad.

  • 12% fail on Lamps, reflectors and electrical equipment (11% better than other 2008 cars)
    • 3.6% fail on Headlamp aim
      • 3.3% fail on Headlamp aim
      • 0.32% fail on Headlamp aim not tested
    • 3.5% fail on Stop lamp
    • 3.2% fail on Headlamps
      • 3.0% fail on Headlamp
      • 0.22% fail on Headlamp levelling device
    • 2.0% fail on Direction indicators
      • 2.0% fail on Flashing type
        • 1.4% fail on Side repeaters (100% worse than other 2008 cars)
        • 0.59% fail on Individual direction indicators (56% better than other 2008 cars)
        • 0.024% fail on All direction indicators
    • 0.95% fail on Electrical equipment (83% worse than other 2008 cars)
      • 0.95% fail on Horn (2 times worse than other 2008 cars)
    • 0.86% fail on Registration plate lamp(s) (58% better than other 2008 cars)
    • 0.22% fail on Front and rear fog lamps (66% better than other 2008 cars)
      • 0.22% fail on Rear fog lamp (66% better than other 2008 cars)
        • 0.22% fail on Rear fog lamp (66% better than other 2008 cars)
    • 0.12% fail on Position lamps
      • 0.11% fail on Position lamp
      • 0.012% fail on All position lamps
  • 12% fail on Brakes (17% worse than other 2008 cars)
    • 5.1% fail on Brake performance
      • 2.5% fail on Parking brake efficiency (sp)
        • 2.5% fail on Rbt (sp)
        • 0.012% fail on Decelerometer (sp)
      • 1.6% fail on Service brake performance (38% better than other 2008 cars)
        • 1.5% fail on Rbt (39% better than other 2008 cars)
          • 1.2% fail on Service brake performance (43% better than other 2008 cars)
          • 0.39% fail on Service brake imbalance
        • 0.036% fail on Plate brake tester
          • 0.024% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
          • 0.012% fail on Service brake performance
        • 0.012% fail on Decelerometer
          • 0.012% fail on Service brake performance
      • 1.4% fail on Service Brake Efficiency (sp) (110% worse than other 2008 cars)
        • 1.4% fail on Rbt (sp) (110% worse than other 2008 cars)
          • 0.96% fail on Service brake performance (4 times worse than other 2008 cars)
          • 0.58% fail on Service brake imbalance
        • 0.012% fail on Decelerometer (sp)
      • 0.90% fail on Parking brake performance
        • 0.82% fail on Rbt
          • 0.61% fail on Parking brake performance (35% better than other 2008 cars)
          • 0.21% fail on Parking (secondary brake performance) (130% worse than other 2008 cars)
          • 0.012% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.049% fail on Plate brake tester
          • 0.024% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles) (7 times worse than other 2008 cars)
          • 0.012% fail on Parking brake performance
          • 0.012% fail on Parking (secondary brake performance)
        • 0.024% fail on Decelerometer
          • 0.012% fail on Parking (secondary brake performance)
          • 0.012% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.32% fail on Brake performance not tested
    • 5.1% fail on Rigid brake pipes (2 times worse than other 2008 cars)
    • 2.8% fail on Mechanical brake components
      • 2.2% fail on Brake linings and pads
        • 2.2% fail on Brake pads
        • 0.012% fail on Brake linings
      • 0.80% fail on Brake discs and drums (34% better than other 2008 cars)
        • 0.80% fail on Brake discs (34% better than other 2008 cars)
      • 0.11% fail on Brake cables, rods, levers and linkages
        • 0.049% fail on Cable
        • 0.036% fail on Lever
        • 0.012% fail on Rod
        • 0.012% fail on Brake slack adjuster
    • 0.78% fail on ABS / EBS / ESC
      • 0.44% fail on Anti-lock braking system (41% better than other 2008 cars)
      • 0.38% fail on Electronic stability control
      • 0.036% fail on Electronic braking system
    • 0.64% fail on Parking brake control
      • 0.64% fail on Lever (64% worse than other 2008 cars)
    • 0.38% fail on Service brake pedal or hand lever
      • 0.27% fail on Hand lever
      • 0.11% fail on Pedal
    • 0.12% fail on Hydraulic systems
      • 0.11% fail on Brake fluid
      • 0.012% fail on Reservoirs
    • 0.085% fail on Flexible brake hoses
    • 0.012% fail on Other components and prescribed areas
      • 0.012% fail on Prescribed areas
        • 0.012% fail on Other braking system component
  • 11% fail on Suspension (33% better than other 2008 cars)
    • 6.1% fail on Springs
      • 6.1% fail on Coil springs
        • 6.1% fail on Coil spring
    • 3.1% fail on Suspension arms (36% better than other 2008 cars)
      • 2.9% fail on Ball joint (41% worse than other 2008 cars)
      • 0.24% fail on Ball joint dust cover (65% better than other 2008 cars)
      • 0.097% fail on Pins and bushes (96% better than other 2008 cars)
    • 1.7% fail on Shock absorbers (72% worse than other 2008 cars)
    • 0.30% fail on Anti-roll bars (93% better than other 2008 cars)
      • 0.097% fail on Linkage ball joint dust cover (93% better than other 2008 cars)
      • 0.073% fail on Linkage ball joints (95% better than other 2008 cars)
      • 0.049% fail on Ball joint dust cover (92% better than other 2008 cars)
      • 0.036% fail on Linkage (84% better than other 2008 cars)
      • 0.024% fail on Ball joint (94% better than other 2008 cars)
      • 0.012% fail on Anti-roll bar
      • 0.012% fail on Attachment bracket and mounting
    • 0.22% fail on Other suspension component
      • 0.18% fail on Ball joint
      • 0.012% fail on Other suspension component
      • 0.012% fail on Attachment bracket and mounting
      • 0.012% fail on Ball joint dust cover
    • 0.097% fail on Macpherson strut
      • 0.061% fail on Macpherson strut
      • 0.012% fail on Attachment bracket and mounting
      • 0.012% fail on Pins and bushes
      • 0.012% fail on Ball joint
    • 0.085% fail on Wheel bearings (90% better than other 2008 cars)
    • 0.012% fail on Sub-frames
      • 0.012% fail on Sub-frame
    • 0.012% fail on Air/gas/fluid suspension
      • 0.012% fail on Other components
  • 8.5% fail on Visibility (35% worse than other 2008 cars)
    • 6.0% fail on Washers (88% worse than other 2008 cars)
    • 2.7% fail on Wipers
    • 0.29% fail on Bonnet
    • 0.18% fail on View to rear
      • 0.17% fail on Mirrors
      • 0.012% fail on Indirect vision devices
    • 0.036% fail on Condition of glass
      • 0.036% fail on Windscreen
  • 5.5% fail on Body, chassis, structure (12% better than other 2008 cars)
    • 3.5% fail on Transmission (29% worse than other 2008 cars)
      • 3.4% fail on Drive shafts (31% worse than other 2008 cars)
        • 3.4% fail on Joints (32% worse than other 2008 cars)
        • 0.012% fail on Drive shaft
      • 0.11% fail on Prop shafts
        • 0.11% fail on Joints
    • 0.93% fail on Exhaust system (60% better than other 2008 cars)
    • 0.36% fail on Fuel system
      • 0.15% fail on Pipe (2 times worse than other 2008 cars)
      • 0.15% fail on Fuel cap/sealing device
      • 0.049% fail on Tank
      • 0.036% fail on Hose
    • 0.36% fail on Engine mounting (5 times worse than other 2008 cars)
      • 0.33% fail on Engine mounting condition (6 times worse than other 2008 cars)
      • 0.036% fail on Bracket
    • 0.30% fail on Doors
      • 0.15% fail on Driver's door
        • 0.15% fail on Door condition
      • 0.085% fail on Front passenger's door
        • 0.085% fail on Door condition
      • 0.085% fail on Other passenger's door
        • 0.085% fail on Door condition
    • 0.18% fail on Bumpers
    • 0.061% fail on Undertray
    • 0.036% fail on Body
      • 0.024% fail on Other body component
      • 0.012% fail on Panel
    • 0.024% fail on Integral vehicle structure (90% better than other 2008 cars)
      • 0.024% fail on Integral vehicle structure condition (89% better than other 2008 cars)
    • 0.012% fail on Load security
      • 0.012% fail on Access panel
    • 0.012% fail on Seats
      • 0.012% fail on Driver's seat
    • 0.012% fail on Boot lid
      • 0.012% fail on Boot lid condition
    • 0.012% fail on Passenger compartment
  • 3.8% fail on Tyres (41% better than other 2008 cars)
    • 1.9% fail on Condition (37% better than other 2008 cars)
    • 1.9% fail on Tread depth (48% better than other 2008 cars)
    • 0.22% fail on Size/type
  • 3.8% fail on Noise, emissions and leaks (30% better than other 2008 cars)
    • 3.8% fail on Exhaust emissions (27% better than other 2008 cars)
      • 2.6% fail on Spark ignition (28% better than other 2008 cars)
        • 1.9% fail on Malfunction indicator lamp
        • 0.57% fail on Catalyst emissions (67% better than other 2008 cars)
        • 0.24% fail on Emissions not tested (56% better than other 2008 cars)
      • 1.2% fail on Compression ignition (26% better than other 2008 cars)
        • 0.44% fail on Pre 01/07/2008 Turbo
        • 0.44% fail on On or after 01/07/2008
        • 0.28% fail on Malfunction indicator lamp (48% better than other 2008 cars)
        • 0.036% fail on Emissions not tested (77% better than other 2008 cars)
        • 0.024% fail on On or after 01/01/2014
        • 0.012% fail on Pre 01/07/2008 Non turbo
    • 0.024% fail on Noise suppression
      • 0.024% fail on Undertray
    • 0.024% fail on Fluid leaks (93% better than other 2008 cars)
      • 0.024% fail on Other leaks
  • 1.6% fail on Seat belts and supplementary restraint systems
    • 1.0% fail on SRS malfunction indicator lamp
    • 0.55% fail on Seat belts
      • 0.51% fail on Condition
      • 0.036% fail on Requirements
    • 0.012% fail on Airbags
      • 0.012% fail on Passengers airbag
  • 0.49% fail on Identification of the vehicle
    • 0.49% fail on Registration plates
  • 0.46% fail on Steering (83% better than other 2008 cars)
    • 0.30% fail on Steering linkage components (85% better than other 2008 cars)
      • 0.17% fail on Track rod end (91% better than other 2008 cars)
      • 0.097% fail on Ball joint
      • 0.036% fail on Drag link end
      • 0.012% fail on Steering arm
    • 0.097% fail on Steering gear (78% better than other 2008 cars)
      • 0.097% fail on Steering rack (78% better than other 2008 cars)
    • 0.024% fail on Power steering (86% better than other 2008 cars)
      • 0.024% fail on Operation
    • 0.024% fail on Steering play
      • 0.024% fail on Steering rack
    • 0.012% fail on Steering column
  • 0.38% fail on Road Wheels
    • 0.30% fail on Attachment
    • 0.073% fail on Condition
  • 0.012% fail on Seat belt installation check
    • 0.012% fail on Belt(s)/padding
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