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Controls in detail
Audio system
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 connected with the Blue-
tooth
®
interface. Unless otherwise speci-
fied, 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.
The following conditions must be met for a
“911” emergency call:
ț Telephone must be switched on.
ț The corresponding mobile communica-
tions network must be available.
If you cannot make an emergency call, you
will have to initiate rescue measures
yourself.
Placing a “911” emergency call using
audio head unit with the phone locked
̈ Press h button to switch to
telephone operation.
You see
CODE?
in the audio display.
̈ Press button 4 on the audio head
unit until you see
911
in the audio
display.
You see
911
in the audio display while
the telephone establishes the connec-
tion.
̈ Wait until the emergency call center
answers, then describe the emergency.
Warning! G
The “911” emergency call system is a public
service. Using it without due cause is a
criminal offense.
i
Emergency calls may not be possible with all
telephone networks or if certain network servic-
es and/or telephone functions are active. Check
with your local service providers.