Mercedes-Benz R-Class MOT Results

Registered in 2012
81.5% pass rate
from 81 tests in 2020
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 2012 cars and highlighted areas where the Mercedes-Benz R-Class is unusually good or bad.

  • 8.6% fail on Brakes
    • 6.2% fail on Brake performance (2 times worse than other 2012 cars)
      • 3.7% fail on Parking brake efficiency (sp) (4 times worse than other 2012 cars)
        • 2.5% fail on Rbt (sp)
        • 1.2% fail on Decelerometer (sp)
      • 2.5% fail on Parking brake performance (7 times worse than other 2012 cars)
        • 2.5% fail on Rbt (7 times worse than other 2012 cars)
          • 1.2% fail on Parking brake performance
          • 1.2% fail on Parking brake efficiency (Trikes, quads and pre-68 vehicles)
      • 1.2% fail on Service Brake Efficiency (sp)
        • 1.2% fail on Rbt (sp)
          • 1.2% fail on Service brake performance
    • 2.5% fail on ABS / EBS / ESC (10 times worse than other 2012 cars)
      • 2.5% fail on Anti-lock braking system (16 times worse than other 2012 cars)
  • 6.2% fail on Noise, emissions and leaks (3 times worse than other 2012 cars)
    • 3.7% fail on Exhaust emissions
      • 2.5% fail on Compression ignition
        • 2.5% fail on Malfunction indicator lamp (7 times worse than other 2012 cars)
      • 1.2% fail on Spark ignition
        • 1.2% fail on Malfunction indicator lamp
    • 2.5% fail on Fluid leaks (25 times worse than other 2012 cars)
      • 1.2% fail on Engine oil leaks
      • 1.2% fail on Transmission oil leaks
  • 4.9% fail on Lamps, reflectors and electrical equipment
    • 2.5% fail on Registration plate lamp(s)
    • 1.2% fail on Headlamps
      • 1.2% fail on Headlamp cleaning device
    • 1.2% fail on Stop lamp
  • 3.7% fail on Tyres
    • 2.5% fail on Condition
    • 1.2% fail on Tread depth
  • 2.5% fail on Body, chassis, structure
    • 2.5% fail on Transmission
      • 2.5% fail on Drive shafts
        • 2.5% fail on Joints
  • 1.2% fail on Seat belts and supplementary restraint systems
    • 1.2% fail on SRS malfunction indicator lamp
  • 1.2% fail on Road Wheels
    • 1.2% fail on Condition
Read the Honest John Review

  • Mercedes-Benz R-Class (2006 - 2013)
    Mercedes-Benz version of a people carrier. Huge amounts of space inside. Available as a long wheelbase for even more room. A seven seater from 2010 rather than the original six-seater.

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