Mercedes-Benz B-Class MOT Results

Registered in 2006
59.9% pass rate
from 1,092 tests in 2020
(5.6% better than other 2006 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 2006 cars and highlighted areas where the Mercedes-Benz B-Class is unusually good or bad.

  • 15% fail on Lamps, reflectors and electrical equipment (6.5% better than other 2006 cars)
    • 5.5% fail on Headlamps (17% worse than other 2006 cars)
      • 5.3% fail on Headlamp (18% worse than other 2006 cars)
      • 0.18% fail on Headlamp levelling device (8.1% better than other 2006 cars)
    • 3.9% fail on Direction indicators (50% worse than other 2006 cars)
      • 3.9% fail on Flashing type (50% worse than other 2006 cars)
        • 2.9% fail on Individual direction indicators (57% worse than other 2006 cars)
        • 0.92% fail on Side repeaters (41% worse than other 2006 cars)
        • 0.18% fail on All direction indicators (18% worse than other 2006 cars)
    • 3.4% fail on Stop lamp (25% better than other 2006 cars)
    • 3.3% fail on Headlamp aim (7.8% better than other 2006 cars)
      • 3.0% fail on Headlamp aim (5.7% better than other 2006 cars)
      • 0.27% fail on Headlamp aim not tested (31% better than other 2006 cars)
    • 0.73% fail on Registration plate lamp(s) (69% better than other 2006 cars)
    • 0.27% fail on Front and rear fog lamps (67% better than other 2006 cars)
      • 0.27% fail on Rear fog lamp (67% better than other 2006 cars)
        • 0.27% fail on Rear fog lamp (66% better than other 2006 cars)
    • 0.18% fail on Position lamps (0.36% better than other 2006 cars)
      • 0.18% fail on Position lamp (7.6% worse than other 2006 cars)
    • 0.18% fail on Electrical equipment (75% better than other 2006 cars)
      • 0.18% fail on Horn (56% better than other 2006 cars)
    • 0.092% fail on Rear reflectors
    • 0.092% fail on Mandatory tell-tales
      • 0.092% fail on Rear fog lamp tell-tale
  • 13% fail on Brakes (4.2% worse than other 2006 cars)
    • 5.8% fail on Brake performance (11% better than other 2006 cars)
      • 3.3% fail on Parking brake efficiency (sp) (10% better than other 2006 cars)
        • 3.3% fail on Rbt (sp) (5.0% better than other 2006 cars)
      • 1.8% fail on Service brake performance (31% better than other 2006 cars)
        • 1.8% fail on Rbt (29% better than other 2006 cars)
          • 1.6% fail on Service brake performance (25% better than other 2006 cars)
          • 0.092% fail on Service brake imbalance
          • 0.092% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
      • 1.4% fail on Parking brake performance (11% better than other 2006 cars)
        • 1.3% fail on Rbt (13% better than other 2006 cars)
          • 0.92% fail on Parking brake performance (30% better than other 2006 cars)
          • 0.18% fail on Parking (secondary brake performance) (36% worse than other 2006 cars)
          • 0.18% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles) (4 times worse than other 2006 cars)
        • 0.092% fail on Decelerometer
          • 0.092% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.64% fail on Service Brake Efficiency (sp) (16% better than other 2006 cars)
        • 0.64% fail on Rbt (sp) (13% better than other 2006 cars)
          • 0.46% fail on Service brake performance (110% worse than other 2006 cars)
          • 0.27% fail on Service brake imbalance (53% better than other 2006 cars)
      • 0.18% fail on Brake performance not tested (26% better than other 2006 cars)
    • 4.0% fail on Mechanical brake components (13% worse than other 2006 cars)
      • 3.1% fail on Brake linings and pads (29% worse than other 2006 cars)
        • 3.0% fail on Brake pads (27% worse than other 2006 cars)
        • 0.092% fail on Brake linings
      • 1.0% fail on Brake discs and drums (26% better than other 2006 cars)
        • 1.0% fail on Brake discs (25% better than other 2006 cars)
      • 0.37% fail on Brake cables, rods, levers and linkages (63% worse than other 2006 cars)
        • 0.18% fail on Cable (12% worse than other 2006 cars)
        • 0.18% fail on Lever (3 times worse than other 2006 cars)
    • 3.0% fail on Rigid brake pipes (21% worse than other 2006 cars)
    • 1.5% fail on ABS / EBS / ESC (28% worse than other 2006 cars)
      • 1.3% fail on Anti-lock braking system (37% worse than other 2006 cars)
      • 0.18% fail on Electronic stability control (39% better than other 2006 cars)
    • 0.92% fail on Service brake pedal or hand lever (110% worse than other 2006 cars)
      • 0.82% fail on Hand lever (2 times worse than other 2006 cars)
      • 0.092% fail on Pedal
    • 0.73% fail on Parking brake control (52% worse than other 2006 cars)
      • 0.73% fail on Lever (73% worse than other 2006 cars)
    • 0.18% fail on Flexible brake hoses (21% better than other 2006 cars)
    • 0.092% fail on Air and vacuum systems
      • 0.092% fail on Leaks
  • 11% fail on Body, chassis, structure (49% worse than other 2006 cars)
    • 9.4% fail on Transmission (190% worse than other 2006 cars)
      • 9.2% fail on Drive shafts (200% worse than other 2006 cars)
        • 9.2% fail on Joints (200% worse than other 2006 cars)
        • 0.092% fail on Drive shaft
        • 0.092% fail on Flexible couplings
      • 0.18% fail on Prop shafts (2.8% better than other 2006 cars)
        • 0.18% fail on Joints (39% worse than other 2006 cars)
    • 1.1% fail on Exhaust system (60% better than other 2006 cars)
    • 0.73% fail on Fuel system (90% worse than other 2006 cars)
      • 0.27% fail on Tank (2 times worse than other 2006 cars)
      • 0.27% fail on Fuel cap/sealing device (20% worse than other 2006 cars)
      • 0.092% fail on Hose
      • 0.092% fail on Pipe
    • 0.46% fail on Bumpers (150% worse than other 2006 cars)
    • 0.37% fail on Doors (13% better than other 2006 cars)
      • 0.18% fail on Driver's door (130% worse than other 2006 cars)
        • 0.092% fail on Door condition
        • 0.092% fail on Hinge
      • 0.092% fail on Front passenger's door
        • 0.092% fail on Door condition
      • 0.092% fail on Other passenger's door
        • 0.092% fail on Door condition
    • 0.18% fail on Body (13% better than other 2006 cars)
      • 0.18% fail on Other body component (45% worse than other 2006 cars)
    • 0.092% fail on Undertray
  • 11% fail on Suspension (32% better than other 2006 cars)
    • 5.8% fail on Springs (43% worse than other 2006 cars)
      • 5.8% fail on Coil springs (44% worse than other 2006 cars)
        • 5.8% fail on Coil spring (45% worse than other 2006 cars)
    • 3.2% fail on Suspension arms (41% better than other 2006 cars)
      • 2.8% fail on Ball joint (32% worse than other 2006 cars)
      • 0.27% fail on Pins and bushes (90% better than other 2006 cars)
      • 0.092% fail on Ball joint dust cover
    • 1.8% fail on Shock absorbers (12% worse than other 2006 cars)
    • 0.92% fail on Anti-roll bars (82% better than other 2006 cars)
      • 0.27% fail on Ball joint dust cover (67% better than other 2006 cars)
      • 0.27% fail on Linkage ball joint dust cover (84% better than other 2006 cars)
      • 0.092% fail on Linkage
      • 0.092% fail on Linkage pins and bushes
      • 0.092% fail on Ball joint
      • 0.092% fail on Linkage ball joints
    • 0.73% fail on Wheel bearings (38% better than other 2006 cars)
    • 0.27% fail on Other suspension component (21% better than other 2006 cars)
      • 0.18% fail on Ball joint (8.1% worse than other 2006 cars)
      • 0.092% fail on Other suspension component
    • 0.092% fail on Suspension rods
      • 0.092% fail on Ball joint
    • 0.092% fail on Component mounting prescribed areas
  • 8.3% fail on Visibility (24% worse than other 2006 cars)
    • 6.3% fail on Washers (110% worse than other 2006 cars)
    • 1.8% fail on Wipers (46% better than other 2006 cars)
    • 0.46% fail on View to rear (100% worse than other 2006 cars)
      • 0.46% fail on Mirrors (110% worse than other 2006 cars)
    • 0.27% fail on Bonnet (30% worse than other 2006 cars)
    • 0.092% fail on Driver's view
    • 0.092% fail on Condition of glass
      • 0.092% fail on Windscreen
  • 5.2% fail on Noise, emissions and leaks (12% better than other 2006 cars)
    • 5.0% fail on Exhaust emissions (11% better than other 2006 cars)
      • 2.7% fail on Spark ignition (38% better than other 2006 cars)
        • 2.2% fail on Malfunction indicator lamp (0.98% better than other 2006 cars)
        • 0.46% fail on Emissions not tested (27% better than other 2006 cars)
        • 0.27% fail on Catalyst emissions (86% better than other 2006 cars)
        • 0.092% fail on Non catalyst emissions
      • 2.4% fail on Compression ignition (68% worse than other 2006 cars)
        • 1.3% fail on Pre 01/07/2008 Turbo (72% worse than other 2006 cars)
        • 0.82% fail on Malfunction indicator lamp (110% worse than other 2006 cars)
        • 0.18% fail on On or after 01/07/2008 (3 times worse than other 2006 cars)
        • 0.18% fail on Emissions not tested (7.4% worse than other 2006 cars)
    • 0.18% fail on Noise suppression (4 times worse than other 2006 cars)
      • 0.18% fail on Undertray (7 times worse than other 2006 cars)
  • 5.0% fail on Tyres (31% better than other 2006 cars)
    • 2.9% fail on Tread depth (33% better than other 2006 cars)
    • 2.2% fail on Condition (29% better than other 2006 cars)
    • 0.092% fail on Size/type
  • 1.3% fail on Seat belts and supplementary restraint systems (41% better than other 2006 cars)
    • 0.64% fail on Seat belts (37% better than other 2006 cars)
      • 0.46% fail on Condition (7.2% better than other 2006 cars)
      • 0.092% fail on Attachment
      • 0.092% fail on Requirements
    • 0.64% fail on SRS malfunction indicator lamp (45% better than other 2006 cars)
  • 0.82% fail on Steering (74% better than other 2006 cars)
    • 0.46% fail on Steering linkage components (81% better than other 2006 cars)
      • 0.37% fail on Track rod end (83% better than other 2006 cars)
      • 0.092% fail on Drag link end
    • 0.27% fail on Steering gear (40% better than other 2006 cars)
      • 0.27% fail on Steering rack (38% better than other 2006 cars)
    • 0.092% fail on Steering play
      • 0.092% fail on Steering rack
  • 0.46% fail on Road Wheels (11% better than other 2006 cars)
    • 0.37% fail on Attachment (3.6% better than other 2006 cars)
    • 0.092% fail on Condition
  • 0.37% fail on Identification of the vehicle (38% better than other 2006 cars)
    • 0.37% fail on Registration plates (37% better than other 2006 cars)
  • 0.092% fail on Seat belt installation check
    • 0.092% fail on Belt(s)/padding
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