C 350 (204.056) V6-3.5L (272.961) (2008)
In the event of a malfunction in the multifunction antenna (e.g. defective because of a rollover), the communication module integrated into the
emergency call system control unit automatically sends and receives the mobile phone signals and data via the emergency call system antenna (A2/52).
For vehicles without code (810) Sound system, the emergency call system control unit sends a mute signal via a discrete line to the "master control unit"
to mute the following speakers:
^
Left front door speaker
^
Right front door speaker
^
Left rear door speaker
^
Right rear door speaker