Page 161 of 426
161 Controls in detail
Audio system
Random play
The random play function (RDM) plays the
tracks on the current CD in random order.
Switching on random play
Press the
RDM
key.
RDM
is highlighted in the display.
Switching off random play
Press the
RDM
key.
The highlighted RDM
in the display
disappears.Repeat
The repeat function (RPT) repeats the cur-
rent track.
Switching on repeat
Press the
RPT
key.
RPT
is highlighted in the display.
Switching off repeat
Press the
RPT
key.
The highlighted RPT
in the display
disappears.Track and time display
Press the
T key.
The number of the track being played
and the elapsed playing time appear in
the display.
Press the
T key.
The total number of tracks and the total
playing time of the CD appear in the
display.
You see the CD main menu again after
8 seconds.
i
The random play and repeat function cannot
be used simultaneously.
Page 162 of 426

162 Controls in detailAudio systemTelephone operationVarious car telephone functions and oper-
ating steps for the car telephone can be
performed and displayed via the audio
system.
Further operating instructions not covered
here can be found in the operating
instructions for the multifunction steering
wheel and the telephone.
Switching on the telephone
Pressh button.
If you have programmed an unlock
code for the telephone, you must enter
the code now.
Enter the code using buttons4
toM.
If necessary, correct number entered
with the
CLR
key. Press key briefly to
delete the last digit entered; press key
and hold to delete the complete
number.
Press the
OK key after entering correct
code.
The telephone is unlocked. If you have
entered the wrong code, you must re-
peat the entering procedure with the
correct code.
Switching off the telephone
Pressh button repeatedly until you
see
PHONE OFF
in the display.
The receiving symbol in the display
disappears.
Adjusting the volume
Turn control knoba during tele-
phone operation.
The volume increases or decreases de-
pending on the direction in which the
knob is turned.
Warning!
G
Please do not forget that your primary re-
sponsibility is to drive the vehicle. A driver’s
attention to the road must always be
his/her primary focus when driving. For
your safety and the safety of others, we rec-
ommend that you pull over to a safe location
and stop before placing or taking a
telephone call.
If you choose to use the telephone
1 while
driving, please use the hands-free device
and only use the telephone when road,
weather and traffic conditions permit. Some
jurisdictions prohibit the driver from using a
mobile telephone while driving a vehicle.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet
(approximately 14 m) every second.
1Observe all legal requirements.
i
The volume can be adjusted separately for
the telephone and radio.
Page 163 of 426

163 Controls in detail
Audio system
Placing a call
Entering a telephone number and
starting the dialing process
Enter the desired telephone number
using buttons4 toM.
The number can have up to 32 digits,
but only 13 of these are visible on the
display.
If necessary, correct number entered with
the CLR
key.
Press key briefly to delete the last digit
entered.
Press key and hold to delete the
complete number.
After correct telephone number has
been entered, press the
SND
key.Phone book
The numbers stored in the phone book can
be called up either by name or number.
Calling up the phone book
Pressd, c, f or
ebutton.
Switching between name search and
number search
Press the
ABC
key.
The name search is called up.
or
Press the
NUM
key.
The number search is called up.Searching and calling up phone book
entries by name
Press the
ABC
key.
The current name is highlighted on the
display.
Press either thed or cbutton.
The stored entries are selected accord-
ing to the alphabetical order of the
initial letter.
or
Press either thef or ebutton.
The stored entries are selected in
increments of four.
or
Page 164 of 426
164 Controls in detailAudio system
Press the desired numerical key2
to9.
The stored entries are selected accord-
ing to the alphabetical order of the ini-
tial letters (e.g. for B -Brown, press
button2 twice).Searching and selecting phone book
entries by number
Press the
NUM
key.
The current number is marked in the
display.
Press either thed or cbutton.
The stored entries are selected
according to numerical order.
or
Press either thef or ebutton.
The stored entries are selected in
increments of 5 (e.g. Entry
M5, Entry
M10
, etc.).Starting dialing process
Once you have selected a number,
press the
SND
key.
Repeat dialing
If the number dialed is busy, you can again
place calls to the last ten telephone
numbers dialed using the repeat dialing
function.
i
Several characters and symbols cannot be
shown on the display for technical reasons. They
have been replaced with spaces.
Page 165 of 426

165 Controls in detail
Audio system
Manual repeat dialing (redial)
Press the
SND
key.
The last number dialed is shown in the
display.
Select the desired telephone number
usingd, c, f or
ebutton.
The abbreviation
L and the number of
the entry are shown in the top line of
the display.
When you have selected a number,
press the
SND
key.
The call will be made.Automatic repeat dialing (redial)
If a call cannot be connected, press
the
SND
key.
REDIAL
will appear in the display and re-
peated attempts to place the call will be
made for the next 4 minutes.
Selecting numbers directly from the
directory
Enter previously selected 3-digit
(1-999) number of the entry using
number keys4 toM.
Press the
RCL
key.
The telephone number stored under
that entry will be dialed.
Press the
SND
key.
The call will be made.Speed dialing
Input desired entry number using
number keys4 toM.
A maximum of two digits can be en-
tered.
If necessary, correct the last number
entered with the
CLR
key.
Press the
SND
key.
The telephone number stored under
that entry will be dialed. The number,
L
and the full entry number will be shown
in the display.
Quick-dialing
Press one of the desired number
buttons4 toM longer than
1 second.
The telephone number saved under
that number will be dialed.
!
Please be aware that button4 might al-
ready be reserved for an emergency call number.
Page 166 of 426

166 Controls in detailAudio systemEmergency 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:
Telephone must be switched on.
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 hbutton to switch to
telephone operation.
You see
CODE?
in the audio display.
Press button4 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.
Page 167 of 426

167 Controls in detail
Audio system
Placing a “911” emergency call using
audio head unit with the phone
unlocked
Press hbutton to switch to
telephone operation.
Enter 911 using the number keypad on
the audio head unit.
Press the
SND
key for dialing to begin.
The telephone establishes the
connection.
Wait until the emergency call center
answers, then describe the emergency. Accepting an incoming call
Accepting an incoming call in telephone
mode
With an incoming call, a ringing tone can
be heard and the caller’s telephone num-
ber, or the name under which this tele-
phone number has been saved in the
telephone book, appears on the display. If
the caller’s number is not transmitted,
CALL
will appear in the display.
Press the
SND
key to accept call.Accepting an incoming call in cassette,
CD or radio mode
If the telephone is activated in the back-
ground (receiving symbol
S visible on dis-
play), the audio source is muted when a
call is received. The ringing tone is heard
and the caller’s telephone number or the
name under which this telephone number
has been saved in the telephone book ap-
pears on the display. If the caller’s number
is not transmitted,
CALL
appears in the
display.
Press the
SND
key to accept the call.
Page 168 of 426
168 Controls in detailAudio systemMuting a call
It is possible to mute a call; the caller is
then no longer able to hear you.
Mute on
Press the
MUT
key.
Mute off
Press the
MUT
key.
Terminating a call
Press the
END
key.
The current call is terminated.Call waiting
If you receive another call during an
already active call, you can accept the
second call and switch between the two.
Accepting a second call
Press the
SND
key.
You are connected with the second
caller, the first call is muted.
Switching between the calls
Press the
SND
key.
Terminating the second call
Press the
END
key.
The current call will be terminated. You
are connected with the muted call
again.