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 Transmitting power and aerial fitting locations
  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 J525
  12
• 2.3 Removing and installing front treble loudspeakers R20/R22
  15
• 2.4 Removing and installing rear treble loudspeakers R14/R16
  15
• 2.5 Removing and installing front mid-range loudspeakers
  16
• 2.6 Removing and installing front bass loudspeakers R21/R23
  17
• 2.7 Removing and installing rear bass loudspeakers R15/R17
  18
• 2.8 Removing and installing subwoofer R211
  19
• 2.9 Removing and installing loudspeaker for emergency call module R335
  20
• 3 Aerial systems
  22
• 3.1 Overview of fitting locations – aerial systems
  22
• 3.2 Removing and installing aerial module
  25
• 3.3 Removing and installing TV aerial amplifier
  27
• 3.6 Removing and installing roof aerial
  30
• 3.7 Removing and installing LTE aerials [R297/R306]
  31
• 4 Telephone system
  33
• 4.1 Overview of fitting locations – telephone system
  33
• 4.3 Removing and installing telephone microphone R38
  36
• 5 TV system
  39
• 5.1 Overview of fitting locations - TV system
  39
• 5.2 Removing and installing TV tuner
  39
• 6 Multifunction steering wheel
  42
• 6.1 Overview of multifunction steering wheel
  42
• 6.2 Assembly overview – multifunction steering wheel
  42
• 6.3 Removing and installing multifunction buttons in steering wheel E441/E440
  43
• 6.4 Removing and installing Tiptronic switch in steering wheel E439/E438
  47
• 7 Connection for external multimedia devices
  48
• 7.1 Removing and installing connection for external multimedia devices
  48
• 7.2 Removing and installing USB hub R293
  50
• 8 Rear Seat Entertainment (RSE)
  52
• 8.1 Assembly overview - mounting and bracket for Rear Seat Entertainment
  52
• 8.2 Removing and installing mounting for Rear Seat Entertainment
  52
• 8.3 Removing and installing bracket for Rear Seat Entertainment
  54
• 9 Car-Net
  56
• 9.1 General information
  56
• 9.2 Overview of fitting locations – mobile online services
  56
• 9.4 Renewing control unit for emergency call module and communication unit J949
  59
• 9.6 Bringing ERA GLONASS into operation
  61