Mercedes-Benz B-Class MOT Results

Registered in 2007
59.9% pass rate
from 1,341 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 2007 cars and highlighted areas where the Mercedes-Benz B-Class is unusually good or bad.

  • 15% fail on Lamps, reflectors and electrical equipment
    • 5.4% fail on Direction indicators (130% worse than other 2007 cars)
      • 5.4% fail on Flashing type (130% worse than other 2007 cars)
        • 3.7% fail on Individual direction indicators (120% worse than other 2007 cars)
        • 1.6% fail on Side repeaters (170% worse than other 2007 cars)
        • 0.15% fail on All direction indicators
        • 0.075% fail on Switch
    • 4.2% fail on Stop lamp
    • 3.8% fail on Headlamps
      • 3.7% fail on Headlamp
      • 0.15% fail on Headlamp levelling device
    • 3.1% fail on Headlamp aim
      • 2.9% fail on Headlamp aim
      • 0.15% fail on Headlamp aim not tested
    • 1.1% fail on Position lamps (64% better than other 2007 cars)
      • 1.1% fail on Position lamp (64% better than other 2007 cars)
    • 0.82% fail on Front and rear fog lamps
      • 0.75% fail on Rear fog lamp
        • 0.75% fail on Rear fog lamp
      • 0.075% fail on Front fog lamps
        • 0.075% fail on Front fog lamps
    • 0.52% fail on Registration plate lamp(s) (80% better than other 2007 cars)
  • 12% fail on Suspension (19% better than other 2007 cars)
    • 6.1% fail on Springs
      • 6.1% fail on Coil springs
        • 6.1% fail on Coil spring
    • 3.5% fail on Suspension arms
      • 3.4% fail on Ball joint (71% worse than other 2007 cars)
      • 0.075% fail on Ball joint dust cover
    • 1.9% fail on Anti-roll bars (58% better than other 2007 cars)
      • 0.89% fail on Linkage ball joint dust cover
      • 0.60% fail on Ball joint dust cover
      • 0.22% fail on Ball joint
      • 0.15% fail on Linkage ball joints (89% better than other 2007 cars)
      • 0.075% fail on Linkage pins and bushes
    • 1.3% fail on Shock absorbers
    • 0.45% fail on Wheel bearings
    • 0.45% fail on Other suspension component
      • 0.45% fail on Ball joint
    • 0.15% fail on Suspension rods
      • 0.15% fail on Ball joint (6 times worse than other 2007 cars)
  • 11% fail on Brakes
    • 5.3% fail on Brake performance
      • 3.3% fail on Parking brake efficiency (sp)
        • 3.3% fail on Rbt (sp)
      • 1.6% fail on Service brake performance
        • 1.4% fail on Rbt
          • 1.2% fail on Service brake performance
          • 0.45% fail on Service brake imbalance
        • 0.15% fail on Plate brake tester
          • 0.075% fail on Service brake performance
          • 0.075% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
        • 0.075% fail on Decelerometer
          • 0.075% fail on Service brake performance
      • 1.0% fail on Parking brake performance
        • 1.0% fail on Rbt
          • 0.60% fail on Parking brake performance
          • 0.37% fail on Parking (secondary brake performance) (2 times worse than other 2007 cars)
          • 0.075% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.82% fail on Service Brake Efficiency (sp)
        • 0.82% fail on Rbt (sp)
          • 0.52% fail on Service brake performance (2 times worse than other 2007 cars)
          • 0.37% fail on Service brake imbalance
      • 0.075% fail on Brake performance not tested
    • 3.6% fail on Mechanical brake components
      • 2.7% fail on Brake linings and pads
        • 2.6% fail on Brake pads
        • 0.075% fail on Brake linings
      • 0.89% fail on Brake discs and drums
        • 0.89% fail on Brake discs
      • 0.30% fail on Brake cables, rods, levers and linkages
        • 0.15% fail on Cable
        • 0.15% fail on Lever
    • 2.7% fail on Rigid brake pipes (69% worse than other 2007 cars)
    • 0.89% fail on ABS / EBS / ESC
      • 0.82% fail on Electronic stability control (190% worse than other 2007 cars)
      • 0.15% fail on Anti-lock braking system (80% better than other 2007 cars)
    • 0.60% fail on Service brake pedal or hand lever
      • 0.52% fail on Hand lever
      • 0.075% fail on Pedal
    • 0.52% fail on Parking brake control
      • 0.52% fail on Lever
    • 0.15% fail on Hydraulic systems
      • 0.075% fail on Reservoirs
      • 0.075% fail on Brake fluid
    • 0.15% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.15% fail on Hydraulic brake callipers
  • 7.0% fail on Body, chassis, structure
    • 5.1% fail on Transmission (84% worse than other 2007 cars)
      • 4.9% fail on Drive shafts (85% worse than other 2007 cars)
        • 4.9% fail on Joints (88% worse than other 2007 cars)
      • 0.15% fail on Prop shafts
        • 0.15% fail on Joints
      • 0.075% fail on Belts
    • 0.60% fail on Fuel system
      • 0.37% fail on Pipe (5 times worse than other 2007 cars)
      • 0.22% fail on Fuel cap/sealing device
      • 0.075% fail on Tank
    • 0.52% fail on Doors
      • 0.22% fail on Other passenger's door
        • 0.22% fail on Door condition
      • 0.15% fail on Driver's door
        • 0.15% fail on Door condition
      • 0.15% fail on Front passenger's door
        • 0.15% fail on Door condition
    • 0.37% fail on Exhaust system (84% better than other 2007 cars)
    • 0.30% fail on Bumpers
    • 0.15% fail on Body
      • 0.15% fail on Body condition (23 times worse than other 2007 cars)
    • 0.075% fail on Integral vehicle structure
      • 0.075% fail on Sub-frame
        • 0.075% fail on Sub-frame condition
    • 0.075% fail on Engine mounting
      • 0.075% fail on Engine mounting condition
    • 0.075% fail on Seats
      • 0.075% fail on Driver's seat
    • 0.075% fail on Undertray
  • 6.8% fail on Visibility
    • 4.8% fail on Washers (59% worse than other 2007 cars)
    • 1.9% fail on Wipers
    • 0.15% fail on Driver's view
    • 0.15% fail on Bonnet
    • 0.15% fail on Condition of glass
      • 0.15% fail on Windscreen
    • 0.15% fail on View to rear
      • 0.15% fail on Mirrors
  • 5.2% fail on Tyres (28% better than other 2007 cars)
    • 2.8% fail on Condition
    • 2.5% fail on Tread depth (44% better than other 2007 cars)
    • 0.22% fail on Size/type
  • 4.8% fail on Noise, emissions and leaks
    • 4.5% fail on Exhaust emissions
      • 2.3% fail on Spark ignition (36% better than other 2007 cars)
        • 2.0% fail on Malfunction indicator lamp
        • 0.45% fail on Catalyst emissions (74% better than other 2007 cars)
        • 0.15% fail on Emissions not tested
      • 2.2% fail on Compression ignition
        • 1.6% fail on Pre 01/07/2008 Turbo (87% worse than other 2007 cars)
        • 0.52% fail on Malfunction indicator lamp
        • 0.075% fail on Pre 01/07/2008 Non turbo
    • 0.15% fail on Fluid leaks
      • 0.075% fail on Transmission oil leaks
      • 0.075% fail on Other leaks
    • 0.075% fail on Noise suppression
      • 0.075% fail on Undertray
  • 1.6% fail on Seat belts and supplementary restraint systems
    • 0.89% fail on Seat belts
      • 0.89% fail on Condition
    • 0.75% fail on SRS malfunction indicator lamp
  • 0.67% fail on Steering (77% better than other 2007 cars)
    • 0.30% fail on Steering linkage components (86% better than other 2007 cars)
      • 0.22% fail on Track rod end (89% better than other 2007 cars)
      • 0.075% fail on Ball joint
    • 0.22% fail on Steering gear
      • 0.22% fail on Steering rack
    • 0.075% fail on Power steering
      • 0.075% fail on Other components
    • 0.075% fail on Steering column
  • 0.52% fail on Road Wheels
    • 0.52% fail on Attachment
  • 0.45% fail on Identification of the vehicle
    • 0.45% fail on Registration plates
  • 0.075% fail on Seat belt installation check
    • 0.075% fail on Anchorages
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