Mercedes-Benz C-Class MOT Results

Registered in 1999
62.9% pass rate
from 1,393 tests in 2020
(18% better than other 1999 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 1999 cars and highlighted areas where the Mercedes-Benz C-Class is unusually good or bad.

  • 16% fail on Lamps, reflectors and electrical equipment
    • 6.5% fail on Direction indicators (170% worse than other 1999 cars)
      • 6.5% fail on Flashing type (170% worse than other 1999 cars)
        • 3.9% fail on Individual direction indicators (140% worse than other 1999 cars)
        • 3.4% fail on Side repeaters (3 times worse than other 1999 cars)
        • 0.50% fail on All direction indicators
    • 3.3% fail on Headlamp aim
      • 3.1% fail on Headlamp aim
      • 0.29% fail on Headlamp aim not tested
    • 3.2% fail on Stop lamp (33% better than other 1999 cars)
    • 3.0% fail on Headlamps
      • 2.5% fail on Headlamp (35% better than other 1999 cars)
      • 0.43% fail on Headlamp levelling device
      • 0.072% fail on Headlamp cleaning device
    • 2.2% fail on Position lamps
      • 2.2% fail on Position lamp
    • 0.93% fail on Registration plate lamp(s) (56% better than other 1999 cars)
    • 0.43% fail on Front and rear fog lamps (70% better than other 1999 cars)
      • 0.43% fail on Rear fog lamp (70% better than other 1999 cars)
        • 0.43% fail on Rear fog lamp (69% better than other 1999 cars)
    • 0.43% fail on Electrical equipment
      • 0.43% fail on Horn
  • 11% fail on Suspension (36% better than other 1999 cars)
    • 3.5% fail on Springs (58% worse than other 1999 cars)
      • 2.5% fail on Coil springs
        • 2.3% fail on Coil spring
        • 0.36% fail on Mounting (6 times worse than other 1999 cars)
      • 1.0% fail on Spring mounting prescribed areas (6 times worse than other 1999 cars)
    • 3.5% fail on Suspension arms (30% better than other 1999 cars)
      • 2.4% fail on Ball joint
      • 0.72% fail on Pins and bushes (65% better than other 1999 cars)
      • 0.43% fail on Suspension arm
      • 0.14% fail on Ball joint dust cover (82% better than other 1999 cars)
      • 0.072% fail on Attachment bracket and mounting
    • 2.5% fail on Component mounting prescribed areas (52% better than other 1999 cars)
    • 1.1% fail on Anti-roll bars (75% better than other 1999 cars)
      • 0.72% fail on Pins and bushes
      • 0.22% fail on Linkage pins and bushes
      • 0.072% fail on Attachment bracket and mounting
      • 0.072% fail on Linkage
    • 0.65% fail on Other suspension component
      • 0.50% fail on Ball joint
      • 0.072% fail on Attachment bracket and mounting
      • 0.072% fail on Ball joint dust cover
    • 0.57% fail on Wheel bearings (61% better than other 1999 cars)
    • 0.57% fail on Shock absorbers
    • 0.36% fail on Sub-frames
      • 0.14% fail on Pins and bushes
      • 0.14% fail on Sub-frame mounting prescribed areas
      • 0.072% fail on Sub-frame
  • 9.0% fail on Brakes (37% better than other 1999 cars)
    • 3.2% fail on Brake performance (60% better than other 1999 cars)
      • 1.4% fail on Service brake performance (55% better than other 1999 cars)
        • 1.4% fail on Rbt (54% better than other 1999 cars)
          • 1.1% fail on Service brake performance (56% better than other 1999 cars)
          • 0.29% fail on Service brake imbalance
      • 0.86% fail on Service Brake Efficiency (sp) (68% better than other 1999 cars)
        • 0.86% fail on Rbt (sp) (68% better than other 1999 cars)
          • 0.50% fail on Service brake performance
          • 0.50% fail on Service brake imbalance (72% better than other 1999 cars)
      • 0.86% fail on Parking brake efficiency (sp) (78% better than other 1999 cars)
        • 0.86% fail on Rbt (sp) (77% better than other 1999 cars)
      • 0.72% fail on Parking brake performance
        • 0.72% fail on Rbt
          • 0.72% fail on Parking brake performance
      • 0.29% fail on Brake performance not tested
    • 3.0% fail on Rigid brake pipes
    • 2.3% fail on Mechanical brake components
      • 2.0% fail on Brake linings and pads
        • 2.0% fail on Brake pads
      • 0.57% fail on Brake discs and drums
        • 0.57% fail on Brake discs
    • 1.7% fail on ABS / EBS / ESC
      • 1.4% fail on Anti-lock braking system
      • 0.57% fail on Electronic stability control
      • 0.072% fail on Electronic braking system
    • 0.29% fail on Parking brake control
      • 0.29% fail on Lever
    • 0.14% fail on Hydraulic systems
      • 0.14% fail on Reservoirs
    • 0.072% fail on Flexible brake hoses
    • 0.072% fail on Other components and prescribed areas
      • 0.072% fail on Prescribed areas
        • 0.072% fail on Park brake mechanism/associated mountings
  • 6.2% fail on Tyres
    • 4.5% fail on Tread depth
    • 2.1% fail on Condition
    • 0.072% fail on Size/type
  • 5.7% fail on Visibility (28% better than other 1999 cars)
    • 3.1% fail on Wipers
    • 1.9% fail on Washers (43% better than other 1999 cars)
    • 0.65% fail on View to rear
      • 0.65% fail on Mirrors
    • 0.29% fail on Driver's view
    • 0.22% fail on Condition of glass
      • 0.14% fail on Windscreen
      • 0.072% fail on Window
    • 0.072% fail on Bonnet
  • 4.5% fail on Seat belts and supplementary restraint systems
    • 3.5% fail on Seat belts
      • 3.3% fail on Prescribed areas
      • 0.14% fail on Condition
      • 0.072% fail on Requirements
    • 1.0% fail on SRS malfunction indicator lamp
  • 4.3% fail on Body, chassis, structure (61% better than other 1999 cars)
    • 1.0% fail on Fuel system
      • 0.43% fail on Hose (5 times worse than other 1999 cars)
      • 0.22% fail on Tank
      • 0.22% fail on Fuel cap/sealing device
      • 0.14% fail on Pipe
    • 0.93% fail on Integral vehicle structure
      • 0.93% fail on Integral vehicle structure condition
    • 0.65% fail on Chassis
      • 0.65% fail on Chassis condition
    • 0.65% fail on Body
      • 0.36% fail on Other body component
      • 0.22% fail on Panel
      • 0.072% fail on Body condition
    • 0.57% fail on Exhaust system (85% better than other 1999 cars)
    • 0.36% fail on Floor
    • 0.29% fail on Transmission (91% better than other 1999 cars)
      • 0.22% fail on Drive shafts (93% better than other 1999 cars)
        • 0.14% fail on Joints (95% better than other 1999 cars)
        • 0.072% fail on Drive shaft
      • 0.072% fail on Prop shafts
        • 0.072% fail on Prop shaft
    • 0.22% fail on Bumpers
    • 0.14% fail on Doors
      • 0.072% fail on Front passenger's door
        • 0.072% fail on Door condition
      • 0.072% fail on Other passenger's door
        • 0.072% fail on Door condition
    • 0.14% fail on Seats
      • 0.14% fail on Driver's seat
    • 0.072% fail on Boot lid
      • 0.072% fail on Boot lid condition
  • 4.0% fail on Noise, emissions and leaks (55% better than other 1999 cars)
    • 3.7% fail on Exhaust emissions (57% better than other 1999 cars)
      • 2.9% fail on Spark ignition (63% better than other 1999 cars)
        • 2.7% fail on Catalyst emissions (56% better than other 1999 cars)
        • 0.22% fail on Emissions not tested (82% better than other 1999 cars)
        • 0.072% fail on Emission control equipment
          • 0.072% fail on Other emission control equipment
        • 0.072% fail on Malfunction indicator lamp
      • 0.72% fail on Compression ignition
        • 0.57% fail on Pre 01/07/2008 Turbo
        • 0.14% fail on Emissions not tested
    • 0.29% fail on Fluid leaks
      • 0.14% fail on Other leaks
      • 0.072% fail on Engine oil leaks
      • 0.072% fail on Transmission oil leaks
    • 0.072% fail on Noise suppression
      • 0.072% fail on Sound deadening material
  • 3.2% fail on Steering
    • 2.7% fail on Steering linkage components
      • 1.9% fail on Track rod end
      • 0.29% fail on Ball joint
      • 0.29% fail on Drag link end
      • 0.14% fail on Intermediate drop arm
      • 0.072% fail on Rear wheel steering
        • 0.072% fail on Components
    • 0.22% fail on Steering gear (79% better than other 1999 cars)
      • 0.14% fail on Steering box
      • 0.072% fail on Steering rack
    • 0.14% fail on Power steering
      • 0.072% fail on Pipes and hoses
      • 0.072% fail on Rams
    • 0.14% fail on Steering play
      • 0.14% fail on Steering box (5 times worse than other 1999 cars)
    • 0.072% fail on Steering wheel
  • 0.65% fail on Road Wheels
    • 0.57% fail on Attachment
    • 0.072% fail on Condition
  • 0.29% fail on Identification of the vehicle (72% better than other 1999 cars)
    • 0.29% fail on Registration plates (72% better than other 1999 cars)

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