Removing the telematics control unit

• Leave electrical components in original packaging until just before they are installed. Use the original packaging only for any return shipments. Always package removed components straight away.
• Read and comply with user information on using the associated special tool 12 7 060.
• Only touch the housings of electrical components. Do not touch pins or multi-pin connectors directly.
• Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
• For additional information see: 61 35... NOTES for ESD protection (electrostatic discharge)

Preliminary works 

• Deactivate the 48 v ELECTRICAL SYSTEM .
• Disconnect all BATTERY EARTH LEADS .
• Remove the left and right a-pillar TRIM PANEL .
• Remove left and right sun visor counter SUPPORTS .
• Remove the left and right SUN VISORS
• Remove both vanity mirror LIGHTS .
• Remove the right hands-free MICROPHONE .
• Remove the left hands-free MICROPHONE .
• Remove the roof FUNCTION CENTER (FZD).
• Remove the interior mirror COVERS .
• Remove the INTERIOR MIRROR .
• Remove rear interior roof LIGHT .
• Partially remove top left and right b-pillar TRIM PANELS
• Remove both c-pillar TRIM PANELS
• Remove all GRAB HANDLES .
• Lower ROOFLINER

• Protect working area.
• Handle tools and components carefully.