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Controls in detail
Audio system
Placing a second call
If you wish to place another call during an
already active call, you can place the
second call and switch between the callers
or combine them into one call. Note that
this feature is dependent on availability
from your mobile phone service provider.
ț Placing a second call
̈ Place a new call by entering
telephone number manually.
̈ Press s button.
You are connected to the second
caller; the first caller is kept on
hold.
ț Terminating a call
̈ Press t button.
The current call is terminated. The
connection to the caller previously
kept on hold is also interrupted;
however, reconnection is indicated
by an acoustic signal.
ț Combining two calls
̈ Press s button.
The calls are combined into one
call.
ț Terminating a combined call
̈ Press t button.
The connection to both callers is
terminated.
Emergency calls “911”
The following describes how to dial a “911”
emergency call using the audio system
head unit when a Mercedes-Benz specified
mobile phone* is inserted in the phone
cradle*. Unless otherwise specified, the
descriptions refer to the audio system
head unit.
Consult the separate telephone operating
instructions that came with your mobile
phone* for information on how to place a
“911” emergency call on the mobile
phone*.
Warning! G
The “911” emergency call system is a public
service. Using it without due cause is a crim-
inal offense.