- Expose VDA connector for telephone handset (A34) and portable cellular telephone separation point (X39/37) in radio shaft.
- Connect antenna for telephone handset (A34) to antenna line of PSC adapter.
Use provided antenna adapter if necessary (depending on vehicle version).
- Attach VDA connecting cable (5) to hands-free system interface box (3).
- Route connecting cable (5) from hands-free system interface box (3) to exposed CTEL separation point (X39/37) in radio recess as shown in figure and connect.
Fasten cable in place using adhesive felt.
- Prepare CAN wiring harness (4) as shown in figure.
- Attach CAN wiring harness (4) to ICANI box (2) and connect ICANI connector (7) to free coupling on hands-free system interface box (3).
- Route CAN wiring harness (4) to radio recess and fix in position with adhesive felt.
- Detach standard coupling from COMAND operating, display and control unit (A40/3) and disconnect connector housing from breaker point bracket (A). Place new connector housing (12) (enclosed with set) on standard wiring harness. Insert breaker point bracket (A) into new connector housing (12). Fit remaining connector housing to breaker point bracket (B) of CAN wiring harness (4).
- Attach standard coupling to plug (11) of CAN wiring harness (4).
- Attach intermediate coupling of CAN wiring harness (4) to COMAND operating, display and control unit (A40/3).
- Only for vehicles without microphone preinstallation
- Expose present hands-free system microphone separation point (B25) behind overhead control panel and connect microphone (6).
- Glue microphone (6) to mirror base with double-sided adhesive tape (included in parts kit) as shown in figure.
Align microphone so that pickup opening points towards driver.