Mercedes-Benz C-Class MOT Results

Registered in 2008
65.7% pass rate
from 8,008 tests in 2020
(15% 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 C-Class is unusually good or bad.

  • 14% fail on Suspension (1.6% better than other 2008 cars)
    • 6.5% fail on Suspension arms (41% worse than other 2008 cars)
      • 5.3% fail on Ball joint (180% worse than other 2008 cars)
      • 0.86% fail on Ball joint dust cover (49% worse than other 2008 cars)
      • 0.62% fail on Pins and bushes (72% better than other 2008 cars)
      • 0.19% fail on Attachment bracket and mounting (5 times worse than other 2008 cars)
      • 0.087% fail on Suspension arm (40% better than other 2008 cars)
    • 4.8% fail on Anti-roll bars (19% worse than other 2008 cars)
      • 2.4% fail on Linkage ball joint dust cover (83% worse than other 2008 cars)
      • 1.3% fail on Ball joint dust cover (100% worse than other 2008 cars)
      • 0.47% fail on Linkage ball joints (64% better than other 2008 cars)
      • 0.24% fail on Pins and bushes (100% worse than other 2008 cars)
      • 0.24% fail on Linkage pins and bushes (56% worse than other 2008 cars)
      • 0.22% fail on Ball joint (45% better than other 2008 cars)
      • 0.11% fail on Linkage (50% better than other 2008 cars)
      • 0.025% fail on Anti-roll bar (33% better than other 2008 cars)
      • 0.012% fail on Attachment bracket and mounting
    • 4.0% fail on Springs (15% better than other 2008 cars)
      • 4.0% fail on Coil springs (14% better than other 2008 cars)
        • 3.9% fail on Coil spring (14% better than other 2008 cars)
        • 0.012% fail on Mounting
    • 0.70% fail on Sub-frames (110% worse than other 2008 cars)
      • 0.55% fail on Sub-frame (2 times worse than other 2008 cars)
      • 0.087% fail on Sub-frame mounting prescribed areas (12% worse than other 2008 cars)
      • 0.062% fail on Pins and bushes (24% better than other 2008 cars)
      • 0.037% fail on Attachment bracket and mounting (110% worse than other 2008 cars)
      • 0.012% fail on Ball joint
    • 0.42% fail on Wheel bearings (49% better than other 2008 cars)
    • 0.39% fail on Shock absorbers (77% better than other 2008 cars)
    • 0.29% fail on Other suspension component (5.6% better than other 2008 cars)
      • 0.25% fail on Ball joint (64% worse than other 2008 cars)
      • 0.025% fail on Pins and bushes (68% better than other 2008 cars)
      • 0.012% fail on Attachment bracket and mounting
    • 0.062% fail on Suspension rods (4.8% worse than other 2008 cars)
      • 0.050% fail on Ball joint (2 times worse than other 2008 cars)
      • 0.012% fail on Pins and bushes
    • 0.062% fail on Component mounting prescribed areas (87% better than other 2008 cars)
    • 0.025% fail on Macpherson strut (87% better than other 2008 cars)
      • 0.012% fail on Macpherson strut
      • 0.012% fail on Attachment bracket and mounting
    • 0.012% fail on Axles
      • 0.012% fail on Axle
  • 11% fail on Brakes (11% worse than other 2008 cars)
    • 4.9% fail on Rigid brake pipes (2 times worse than other 2008 cars)
    • 4.7% fail on Brake performance (5.5% better than other 2008 cars)
      • 2.6% fail on Parking brake efficiency (sp) (11% worse than other 2008 cars)
        • 2.5% fail on Rbt (sp) (13% worse than other 2008 cars)
        • 0.062% fail on Decelerometer (sp) (35% better than other 2008 cars)
        • 0.012% fail on Plate brake tester (sp)
      • 1.4% fail on Service brake performance (42% better than other 2008 cars)
        • 1.4% fail on Rbt (43% better than other 2008 cars)
          • 1.3% fail on Service brake performance (38% better than other 2008 cars)
          • 0.17% fail on Service brake imbalance (65% better than other 2008 cars)
        • 0.037% fail on Plate brake tester (8.1% better than other 2008 cars)
          • 0.025% fail on Service brake performance (170% worse than other 2008 cars)
          • 0.012% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.66% fail on Service Brake Efficiency (sp) (10% worse than other 2008 cars)
        • 0.66% fail on Rbt (sp) (13% worse than other 2008 cars)
          • 0.42% fail on Service brake performance (170% worse than other 2008 cars)
          • 0.30% fail on Service brake imbalance (38% better than other 2008 cars)
      • 0.66% fail on Parking brake performance (33% better than other 2008 cars)
        • 0.64% fail on Rbt (33% better than other 2008 cars)
          • 0.54% fail on Parking brake performance (37% better than other 2008 cars)
          • 0.062% fail on Parking (secondary brake performance) (26% better than other 2008 cars)
          • 0.037% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles) (96% worse than other 2008 cars)
        • 0.025% fail on Plate brake tester (10.0% better than other 2008 cars)
          • 0.012% fail on Parking (secondary brake performance)
          • 0.012% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.37% fail on Brake performance not tested (100% worse than other 2008 cars)
    • 2.6% fail on Mechanical brake components (24% better than other 2008 cars)
      • 1.9% fail on Brake linings and pads (22% better than other 2008 cars)
        • 1.9% fail on Brake pads (21% better than other 2008 cars)
      • 0.94% fail on Brake discs and drums (27% better than other 2008 cars)
        • 0.92% fail on Brake discs (27% better than other 2008 cars)
        • 0.012% fail on Brake drums
      • 0.12% fail on Brake cables, rods, levers and linkages (14% better than other 2008 cars)
        • 0.100% fail on Cable (0.91% worse than other 2008 cars)
        • 0.012% fail on Lever
        • 0.012% fail on Relay lever
    • 0.67% fail on ABS / EBS / ESC (14% better than other 2008 cars)
      • 0.50% fail on Anti-lock braking system (20% better than other 2008 cars)
      • 0.24% fail on Electronic stability control (2.9% worse than other 2008 cars)
    • 0.22% fail on Service brake pedal or hand lever (41% better than other 2008 cars)
      • 0.15% fail on Pedal (1.8% worse than other 2008 cars)
      • 0.075% fail on Hand lever (69% better than other 2008 cars)
    • 0.16% fail on Hydraulic systems (17% worse than other 2008 cars)
      • 0.100% fail on Brake fluid (1.0% better than other 2008 cars)
      • 0.050% fail on Reservoirs (120% worse than other 2008 cars)
      • 0.012% fail on Servos
    • 0.12% fail on Brake actuators (including spring brakes or hydraulic cylinders) (24% better than other 2008 cars)
      • 0.11% fail on Hydraulic brake callipers (11% better than other 2008 cars)
      • 0.012% fail on Hydraulic brake cylinder
    • 0.100% fail on Parking brake control (77% better than other 2008 cars)
      • 0.100% fail on Lever (73% better than other 2008 cars)
    • 0.075% fail on Flexible brake hoses (54% better than other 2008 cars)
    • 0.037% fail on Air and vacuum systems (70% worse than other 2008 cars)
      • 0.025% fail on Servos (160% worse than other 2008 cars)
      • 0.012% fail on Leaks
    • 0.012% fail on Other components and prescribed areas
      • 0.012% fail on Other components
  • 9.5% fail on Lamps, reflectors and electrical equipment (32% better than other 2008 cars)
    • 3.0% fail on Headlamps (17% better than other 2008 cars)
      • 2.9% fail on Headlamp (16% better than other 2008 cars)
      • 0.11% fail on Headlamp levelling device (32% better than other 2008 cars)
    • 3.0% fail on Headlamp aim (14% better than other 2008 cars)
      • 2.8% fail on Headlamp aim (12% better than other 2008 cars)
      • 0.22% fail on Headlamp aim not tested (33% better than other 2008 cars)
    • 2.3% fail on Direction indicators (12% worse than other 2008 cars)
      • 2.3% fail on Flashing type (12% worse than other 2008 cars)
        • 1.3% fail on Side repeaters (110% worse than other 2008 cars)
        • 0.95% fail on Individual direction indicators (30% better than other 2008 cars)
        • 0.075% fail on All direction indicators (21% better than other 2008 cars)
    • 1.6% fail on Stop lamp (60% better than other 2008 cars)
    • 0.71% fail on Registration plate lamp(s) (68% better than other 2008 cars)
    • 0.37% fail on Front and rear fog lamps (35% better than other 2008 cars)
      • 0.37% fail on Rear fog lamp (34% better than other 2008 cars)
        • 0.36% fail on Rear fog lamp (35% better than other 2008 cars)
        • 0.012% fail on Switch
    • 0.22% fail on Position lamps (36% worse than other 2008 cars)
      • 0.17% fail on Position lamp (12% worse than other 2008 cars)
      • 0.037% fail on All position lamps (4 times worse than other 2008 cars)
      • 0.012% fail on Switch
    • 0.087% fail on Electrical equipment (86% better than other 2008 cars)
      • 0.062% fail on Horn (84% better than other 2008 cars)
      • 0.025% fail on Battery(ies) (87% better than other 2008 cars)
  • 6.8% fail on Tyres (2.9% better than other 2008 cars)
    • 4.2% fail on Tread depth (3.2% worse than other 2008 cars)
    • 2.8% fail on Condition (9.8% better than other 2008 cars)
    • 0.17% fail on Size/type (29% better than other 2008 cars)
  • 3.5% fail on Visibility (42% better than other 2008 cars)
    • 1.8% fail on Wipers (36% better than other 2008 cars)
    • 1.5% fail on Washers (48% better than other 2008 cars)
    • 0.12% fail on Bonnet (31% better than other 2008 cars)
    • 0.11% fail on Condition of glass (0.51% better than other 2008 cars)
      • 0.11% fail on Windscreen (1.5% worse than other 2008 cars)
    • 0.100% fail on View to rear (49% better than other 2008 cars)
      • 0.087% fail on Mirrors (55% better than other 2008 cars)
      • 0.012% fail on Indirect vision devices
    • 0.087% fail on Driver's view (34% better than other 2008 cars)
  • 2.3% fail on Noise, emissions and leaks (55% better than other 2008 cars)
    • 2.2% fail on Exhaust emissions (54% better than other 2008 cars)
      • 1.1% fail on Spark ignition (65% better than other 2008 cars)
        • 0.90% fail on Malfunction indicator lamp (43% better than other 2008 cars)
        • 0.27% fail on Catalyst emissions (82% better than other 2008 cars)
        • 0.037% fail on Emissions not tested (92% better than other 2008 cars)
      • 1.1% fail on Compression ignition (32% better than other 2008 cars)
        • 0.60% fail on Malfunction indicator lamp (19% worse than other 2008 cars)
        • 0.31% fail on On or after 01/07/2008 (34% better than other 2008 cars)
        • 0.16% fail on Pre 01/07/2008 Turbo (62% better than other 2008 cars)
        • 0.037% fail on Emissions not tested (75% better than other 2008 cars)
        • 0.012% fail on Pre 01/07/2008 Non turbo
        • 0.012% fail on On or after 01/01/2014
    • 0.075% fail on Fluid leaks (78% better than other 2008 cars)
      • 0.037% fail on Transmission oil leaks (160% worse than other 2008 cars)
      • 0.025% fail on Engine oil leaks (91% better than other 2008 cars)
      • 0.012% fail on Hydraulic fluid leaks
  • 1.8% fail on Seat belts and supplementary restraint systems (32% worse than other 2008 cars)
    • 1.4% fail on SRS malfunction indicator lamp (96% worse than other 2008 cars)
    • 0.42% fail on Seat belts (33% better than other 2008 cars)
      • 0.39% fail on Condition (0.22% worse than other 2008 cars)
      • 0.037% fail on Requirements (67% worse than other 2008 cars)
      • 0.012% fail on Attachment
    • 0.037% fail on Airbags (23% worse than other 2008 cars)
      • 0.037% fail on Drivers airbag (37% worse than other 2008 cars)
  • 1.5% fail on Body, chassis, structure (75% better than other 2008 cars)
    • 0.57% fail on Doors (70% worse than other 2008 cars)
      • 0.50% fail on Other passenger's door (2 times worse than other 2008 cars)
        • 0.50% fail on Door condition (2 times worse than other 2008 cars)
      • 0.050% fail on Front passenger's door (51% better than other 2008 cars)
        • 0.050% fail on Door condition (50% better than other 2008 cars)
      • 0.025% fail on Driver's door (74% better than other 2008 cars)
        • 0.025% fail on Door condition (72% better than other 2008 cars)
    • 0.44% fail on Exhaust system (81% better than other 2008 cars)
    • 0.087% fail on Integral vehicle structure (43% better than other 2008 cars)
      • 0.062% fail on Sub-frame (2 times worse than other 2008 cars)
        • 0.062% fail on Sub-frame condition (2 times worse than other 2008 cars)
      • 0.025% fail on Integral vehicle structure condition (82% better than other 2008 cars)
    • 0.087% fail on Fuel system (64% better than other 2008 cars)
      • 0.050% fail on Fuel cap/sealing device (61% better than other 2008 cars)
      • 0.025% fail on Hose (120% worse than other 2008 cars)
      • 0.012% fail on Pipe
    • 0.075% fail on Chassis (6.6% better than other 2008 cars)
      • 0.075% fail on Chassis condition (4.8% better than other 2008 cars)
    • 0.062% fail on Bumpers (56% better than other 2008 cars)
    • 0.050% fail on Body (63% better than other 2008 cars)
      • 0.050% fail on Other body component (48% better than other 2008 cars)
    • 0.037% fail on Seats (67% better than other 2008 cars)
      • 0.037% fail on Driver's seat (44% better than other 2008 cars)
    • 0.025% fail on Transmission (99% better than other 2008 cars)
      • 0.012% fail on Drive shafts
        • 0.012% fail on Joints
      • 0.012% fail on Prop shafts
        • 0.012% fail on Flexible couplings
    • 0.025% fail on Engine mounting (54% better than other 2008 cars)
      • 0.012% fail on Engine mounting condition
      • 0.012% fail on Bracket
    • 0.012% fail on Load security
      • 0.012% fail on Tailgate
        • 0.012% fail on Tailgate condition
    • 0.012% fail on Boot lid
      • 0.012% fail on Boot lid condition
    • 0.012% fail on Undertray
  • 1.00% fail on Steering (58% better than other 2008 cars)
    • 0.82% fail on Steering linkage components (54% better than other 2008 cars)
      • 0.74% fail on Track rod end (55% better than other 2008 cars)
      • 0.087% fail on Ball joint (17% better than other 2008 cars)
    • 0.14% fail on Steering gear (62% better than other 2008 cars)
      • 0.14% fail on Steering rack (61% better than other 2008 cars)
    • 0.025% fail on Power steering (84% better than other 2008 cars)
      • 0.025% fail on Operation (63% better than other 2008 cars)
    • 0.012% fail on Steering column
    • 0.012% fail on Steering play
      • 0.012% fail on Steering rack
  • 0.71% fail on Road Wheels (39% worse than other 2008 cars)
    • 0.55% fail on Attachment (50% worse than other 2008 cars)
    • 0.17% fail on Condition (22% worse than other 2008 cars)
  • 0.56% fail on Identification of the vehicle (10% worse than other 2008 cars)
    • 0.56% fail on Registration plates (11% worse than other 2008 cars)
  • 0.012% fail on Seat belt installation check
    • 0.012% fail on Belt(s)/padding
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