I've done this task a few months ago using the instructions from this thread...took me about 15 minutes to do the procedure.

http://www.peachparts.com/shopforum/showthread.php?threadid=24093

Make sure you do a search first before inquiring about a task...most here have been down the block...

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car