i have a phone kit with hands free setup for a 211 e-class sedan or wagon..  was bought as a christmas present  before i realized my mother had already purchased one just needed to have it installed.. paid over 900 for it    but its been over 30 days since date of purchase so i can no longer return it.. ur loss is my gain   willing to let go for $450 ,,,  this is brand new

here are teh parts number of the kits    q6820826  q6820827  q6820828

this is everything u would need for the install  except for the phone itself..  email if anyone is interested