Mercedes-Benz GLC MOT Results

Registered in 2017
89.2% pass rate
from 13,282 tests in 2021
(18% better than other 2017 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 2017 cars and highlighted areas where the Mercedes-Benz GLC is unusually good or bad.

  • 4.1% fail on Tyres (19% worse than other 2017 cars)
    • 2.7% fail on Condition (36% worse than other 2017 cars)
    • 1.5% fail on Tread depth
    • 0.045% fail on Size/type
  • 2.5% fail on Suspension (190% worse than other 2017 cars)
    • 2.4% fail on Suspension arms (9 times worse than other 2017 cars)
      • 2.3% fail on Ball joint (28 times worse than other 2017 cars)
      • 0.023% fail on Pins and bushes (82% better than other 2017 cars)
      • 0.015% fail on Ball joint dust cover
    • 0.068% fail on Springs (80% better than other 2017 cars)
      • 0.068% fail on Coil springs (80% better than other 2017 cars)
        • 0.068% fail on Coil spring (80% better than other 2017 cars)
    • 0.060% fail on Other suspension component (4 times worse than other 2017 cars)
      • 0.060% fail on Ball joint (13 times worse than other 2017 cars)
    • 0.023% fail on Shock absorbers (78% better than other 2017 cars)
    • 0.0075% fail on Wheel bearings
    • 0.0075% fail on Anti-roll bars
      • 0.0075% fail on Ball joint dust cover
  • 1.2% fail on Lamps, reflectors and electrical equipment (55% better than other 2017 cars)
    • 0.87% fail on Headlamp aim (34% better than other 2017 cars)
      • 0.87% fail on Headlamp aim (32% better than other 2017 cars)
    • 0.15% fail on Direction indicators
      • 0.15% fail on Flashing type
        • 0.098% fail on Individual direction indicators
        • 0.053% fail on Side repeaters (71% better than other 2017 cars)
    • 0.060% fail on Headlamps (88% better than other 2017 cars)
      • 0.060% fail on Headlamp (86% better than other 2017 cars)
    • 0.038% fail on Registration plate lamp(s) (82% better than other 2017 cars)
    • 0.030% fail on Stop lamp (91% better than other 2017 cars)
    • 0.023% fail on Electrical equipment
      • 0.015% fail on Trailer electrical socket
      • 0.0075% fail on Horn
    • 0.0075% fail on Position lamps
      • 0.0075% fail on All position lamps
    • 0.0075% fail on Front and rear fog lamps
      • 0.0075% fail on Rear fog lamp
        • 0.0075% fail on Rear fog lamp
    • 0.0075% fail on Reversing lamps
      • 0.0075% fail on Reversing lamps
    • 0.0075% fail on Rear reflectors
  • 1.1% fail on Visibility (70% better than other 2017 cars)
    • 0.62% fail on Washers (36% better than other 2017 cars)
    • 0.38% fail on Wipers (86% better than other 2017 cars)
    • 0.11% fail on Condition of glass
      • 0.11% fail on Windscreen
    • 0.015% fail on View to rear
      • 0.015% fail on Mirrors
  • 0.80% fail on Brakes (62% better than other 2017 cars)
    • 0.64% fail on Mechanical brake components (57% better than other 2017 cars)
      • 0.58% fail on Brake linings and pads (53% better than other 2017 cars)
        • 0.58% fail on Brake pads (53% better than other 2017 cars)
      • 0.075% fail on Brake discs and drums (78% better than other 2017 cars)
        • 0.075% fail on Brake discs (78% better than other 2017 cars)
    • 0.13% fail on Brake performance (73% better than other 2017 cars)
      • 0.060% fail on Service brake performance (79% better than other 2017 cars)
        • 0.060% fail on Rbt (78% better than other 2017 cars)
          • 0.045% fail on Service brake performance (80% better than other 2017 cars)
          • 0.015% fail on Service brake imbalance
      • 0.030% fail on Brake performance not tested
      • 0.030% fail on Service Brake Efficiency (sp)
        • 0.015% fail on Rbt (sp)
          • 0.015% fail on Service brake imbalance
        • 0.015% fail on Decelerometer (sp)
      • 0.0075% fail on Parking brake efficiency (sp)
        • 0.0075% fail on Decelerometer (sp)
    • 0.030% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.030% fail on Hydraulic brake callipers
    • 0.0075% fail on Hydraulic systems
      • 0.0075% fail on Reservoirs
    • 0.0075% fail on Flexible brake hoses
  • 0.69% fail on Noise, emissions and leaks
    • 0.68% fail on Exhaust emissions
      • 0.47% fail on Compression ignition (120% worse than other 2017 cars)
        • 0.47% fail on Malfunction indicator lamp (190% worse than other 2017 cars)
      • 0.20% fail on Spark ignition
        • 0.20% fail on Malfunction indicator lamp
        • 0.0075% fail on Emissions not tested
    • 0.0075% fail on Fluid leaks
      • 0.0075% fail on Transmission oil leaks
  • 0.50% fail on Identification of the vehicle (140% worse than other 2017 cars)
    • 0.50% fail on Registration plates (140% worse than other 2017 cars)
  • 0.17% fail on Seat belts and supplementary restraint systems
    • 0.12% fail on Seat belts
      • 0.12% fail on Condition
    • 0.053% fail on SRS malfunction indicator lamp
  • 0.075% fail on Body, chassis, structure (76% better than other 2017 cars)
    • 0.038% fail on Transmission
      • 0.030% fail on Drive shafts (69% better than other 2017 cars)
        • 0.023% fail on Joints (76% better than other 2017 cars)
        • 0.0075% fail on Drive shaft
      • 0.0075% fail on Prop shafts
        • 0.0075% fail on Flexible couplings
    • 0.015% fail on Exhaust system (80% better than other 2017 cars)
    • 0.015% fail on Body
      • 0.0075% fail on Panel
      • 0.0075% fail on Other body component
    • 0.0075% fail on Seats
      • 0.0075% fail on Driver's seat
  • 0.068% fail on Road Wheels (58% better than other 2017 cars)
    • 0.053% fail on Attachment
    • 0.015% fail on Condition
  • 0.023% fail on Steering (85% better than other 2017 cars)
    • 0.023% fail on Steering linkage components (78% better than other 2017 cars)
      • 0.015% fail on Ball joint
      • 0.0075% fail on Track rod end
Read the Honest John Review

  • Mercedes-Benz GLC (2015 - 2021)
    Excellent refinement and very composed ride quality. Quiet diesel engine. Superb cabin quality. Spacious for rear seat passengers. Capable off-road if need be.

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