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
• 2 Hazard classification for the high-voltage system
  2
• Radio, telephone, navigation
  3
• 1 Infotainment system
  3
• 1.1 Components of infotainment system
  3
• 1.2 Overview of fitting locations – Infotainment system
  8
• 1.3 Removing and installing infotainment system display
  9
• 1.4 Removing and installing control unit 1 for information electronics J794
  11
• 2 Sound system
  14
• 2.1 Components of sound system
  14
• 2.2 Overview of fitting locations – sound system
  15
• 2.3 Removing and installing rear treble loudspeakers R14/R16
  15
• 2.4 Removing and installing front treble loudspeakers R20/R22
  17
• 2.5 Removing and installing rear bass loudspeakers R15/R17
  17
• 2.6 Removing and installing front bass loudspeakers R21/R23
  19
• 2.7 Removing and installing loudspeaker bracket
  20
• 3 Aerial systems
  22
• 3.1 Overview of fitting locations – aerial systems
  22
• 3.2 Removing and installing LTE aerial 1 R297
  24
• 3.3 Removing and installing aerial module
  26
• 4 Radio
  35
• 4.1 Overview of radio
  35
• 4.2 Removing and installing radio, Composition Audio
  36
• 5 Telephone system
  39
• 5.1 Overview of fitting locations – telephone system
  39
• 6 Navigation system
  42
• 6.1 Overview of navigation system
  42
• 6.2 Overview of fitting locations – navigation system
  42
• 6.3 Removing and installing control unit for navigation system
  43
• 7 Reversing camera
  44
• 8 Multifunction steering wheel
  45
• 8.1 Overview of multifunction steering wheel
  45
• 8.2 Assembly overview – multifunction steering wheel
  45
• 8.3 Removing and installing multifunction buttons in steering wheel E441/E440
  46
• 9 Connection for external multimedia devices
  50
• 9.1 Overview of fitting locations – external multimedia devices
  50
• 9.2 Removing and installing USB connection 1 U41
  50
• 9.3 Removing and installing left USB charging socket, seat row 3 U100
  51
• 10 Car-Net
  52
• 10.1 General description – Car-Net services
  52
• 10.2 Overview of fitting locations – mobile online services
  52
• 10.5 Removing and installing loudspeaker for emergency call module R335
  56
• 10.6 Removing and installing emergency assistance call button E276
  57
• 10.7 Removing and installing LTE aerial 2 R306
  57
• 10.8 Bringing ERA-GLONASS into operation
  58