Communication

Chapter overview

• Technical data
  1
• 1 Repair notes
  1
• 1.1 General repair instructions
  1
• 1.2 Routing and attachment of lines
  1
• 1.3 Notes on repair of CAN bus wiring
  1
• 1.4 General information
  1
• Communication
  3
• 1 Infotainment system
  3
• 1.1 Overview of fitting locations – Infotainment system
  3
• 1.2 Removing and installing infotainment system display
  5
• 1.3 Removing and installing control unit 1 for information electronics J794
  6
• 2 Sound system
  10
• 2.1 Overview of fitting locations – sound system
  10
• 2.2 Removing and installing digital sound package control unit/amplifier
  11
• 2.3 Removing and installing front treble loudspeakers R20/R22
  13
• 2.4 Removing and installing front bass loudspeakers R21/R23
  13
• 2.5 Removing and installing rear bass loudspeakers R15/R17
  15
• 2.6 Removing and installing subwoofer R211
  16
• 3 Aerial systems
  17
• 3.1 Overview of fitting locations – aerial systems
  17
• 3.2 Removing and installing aerial module
  18
• 3.3 Removing and installing frequency modulation (FM) frequency filter R178/R179
  20
• 3.4 Removing and installing roof aerial
  21
• 3.5 Removing and installing bumper aerials
  22
• 4 Telephone system
  24
• 4.1 Overview of fitting locations – telephone system
  24
• 4.2 Renewing telephone microphone R38
  24
• 4.4 Removing and installing telephone bracket R126
  26
• 5 Multifunction steering wheel
  27
• 5.1 Overview of multifunction steering wheel
  27
• 5.2 Assembly overview – multifunction steering wheel
  27
• 5.3 Removing and installing multifunction buttons in steering wheel E441/E440
  28
• 5.4 Removing and installing Tiptronic switch in steering wheel E439/E438
  32
• 6 Connection for external multimedia devices
  34
• 6.1 Removing and installing connection for external multimedia devices
  34
• 7 Car-Net
  36
• 7.1 General information
  36
• 7.2 Overview of fitting locations – mobile online services
  36
• 7.5 Removing and installing Telematics button module E734
  39
• 7.6 Removing and installing loudspeaker for emergency call module R335
  39
• 7.7 Internet access control unit J666
  40