Mercedes Benz

A/T - CVT, Engine Flare On Deceleration SI M 24 01 09 Automatic Transmission January 2009 2002-2006 Mini Cooper (R50) L4-1.6L (W10) Page 342 Technical Service SUBJECT R50/R52 CVT; Engine Speed Flaring on Deceleration MODEL R50, R52 Cooper with CVT transmission and W10 SITUATION The customer may complain of engine speed flaring ("engine revs up") during a closed-throttle deceleration from highway speeds. No faults are stored in the EMS2K/MS5150 (DME) control module. CAUSE Unfavorable CVT (Continuously Variable Transmission) gear ratio adaptation CORRECTION Clear the CVT long-term gear adaptation values, and perform the complete transmission "adaptation teach-in" procedure, according to the instructions below. Important Note: The unfavorable gear adaptation values may be erased, and the correct values can be relearned, by occasionally driving the vehicle in "Sport" or in "Manual" (Steptronic) mode. Please advise the customer that occasional chan...