2014 Mercedes-Benz CLA250 Long-Term Road Test

2014 Mercedes-Benz CLA250: Engine Break-In Procedure

December 03, 2013

2014 Mercedes-Benz CLA250

According to the owner's manual, this is the recommended engine break-in procedure for our 2014 Mercedes-Benz CLA250. The condensed version:

  • Vary engine speeds for the first 1,000 miles.
  • Avoid driving at full throttle during this period.
  • Change gears before throttle is two-thirds of the way to redline.
  • Do not manually downshift to engine brake.
  • If possible, do not depress the gas pedal enough to cause a downshift.
  • Ideally, drive in "E" mode for the first 1,000 miles.
  • Do not drive faster than 85 mph.
  • Only allow the engine to reach 4,500 rpm briefly

Mike Schmidt, Vehicle Testing Manager @ 739 miles

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