Communication

Chapter overview

• Technical data
  1
• 1 Repair instructions
  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 Components of infotainment system
  3
• 1.2 Overview of fitting locations – Infotainment system
  6
• 1.3 Removing and installing infotainment system display
  8
• 1.4 Removing and installing control unit 1 for information electronics J794
  9
• 2 Sound system
  13
• 2.1 Components of sound system
  13
• 2.2 Overview of fitting locations - sound system
  14
• 2.3 Removing and installing digital sound package control unit/amplifier
  15
• 2.4 Removing and installing bracket for digital sound package control unit J525
  18
• 2.5 Removing and installing front treble loudspeakers R20/R22
  18
• 2.6 Removing and installing rear treble loudspeakers R14/R16
  19
• 2.7 Removing and installing front bass loudspeakers R21/R23
  20
• 2.8 Removing and installing rear bass loudspeakers R15/R17
  22
• 2.9 Removing and installing subwoofer R211
  24
• 3 Aerial systems
  26
• 3.1 Components of aerial systems
  26
• 3.2 Overview of fitting locations - aerial systems
  26
• 3.3 Removing and installing aerial module
  27
• 3.6 Removing and installing roof aerial
  31
• 3.7 LTE aerial 2 R306
  33
• 4 Removing and installing radio
  35
• 4.1 Removing and installing radio, Composition Colour
  35
• 4.2 Removing and installing radio, Composition Media and Discover Pro
  36
• 5 Telephone system
  37
• 5.1 Mobile telephone preparation
  37
• 5.2 Overview of fitting locations - telephone system
  38
• 5.3 Removing and installing telephone microphone R38
  39
• 6 Navigation system
  41
• 6.1 Components of navigation system
  41
• 6.2 Overview of fitting locations - navigation system
  41
• 6.3 Removing and installing control unit for navigation system
  42
• 7 Reversing camera system
  43
• 7.1 Components of reversing camera system
  43
• 7.2 Overview of fitting locations - reversing camera system
  43
• 7.3 Removing and installing reversing camera R189
  44
• 8 Multifunction steering wheel
  45
• 8.1 Components of multifunction steering wheel
  45
• 8.2 Assembly overview - multifunction steering wheel
  45
• 8.3 Removing and installing steering wheel multifunction buttons E441/E440
  46
• 8.4 Removing and installing Tiptronic switch in steering wheel E439/E438
  50
• 9 Connection for external multimedia devices
  52
• 10 Car-Net
  53
• 10.1 General information
  53
• 10.2 Overview of fitting locations - Car-Net services
  53
• 10.4 Removing and installing Telematics button module E734
  55
• 10.5 Renewing control unit for emergency call module and communication unit J949
  56