Pairing my mobile phone with the radio

Best to contact an MB dealer. This is from the manual: GSM network phonesUsing your Mercedes-Benz specified mo-bile telephone*, a number of functions and operating steps can be performed and dis-played in the audio system display.Further operating instructions not covered here can be found in the operating instruc-tions for the multifunction steering wheel and the cellular telephone*.If you r au di o s ys te m i s se t up for te le phone operation, the tsymbol will appear in the display.When you insert your Mercedes-Benz specified mobile telephone* into the tele-phone cradle, you will be prompted to en-ter your PIN for 30 seconds (page 233). This display disappears when you press any button.When your mobile telephone is inserted into the telephone cradle, you will see the reception strength in the upper right-hand corner of the display.Switching on the telephoneSwitching on the telephonePressh button.If the telephone was previously switched off, PROCESSING appears in the display and you will then be prompted to enter your PIN.