MERCEDES-BENZ SLK280 2008 R171 Owner's Manual

230 Controls in detail
Audio system

Speed dial
If you have stored telephone numbers
as speed dial numbers in your
telephone, you can also enter these
with buttons 1 to R on the radio
unit.
Press desired button 1 to R
briefly.
Press s button.
The call will be made.

Turbo dial
If you have stored telephone numbers
as turbo dial numbers in your
telephone, you can also enter these
with buttons 1 to R on the radio
unit.
Press desired button 1 to R
until the call is made.Redial
If the number you have dialed is busy, you
can again place calls to the last ten
telephone numbers dialed using the redial
function.

Manual redial
Press s button.
The telephone number last dialed
will appear in the display.
Select desired telephone number
with button ‚or ƒ.
The letter
L and the number of the
memory position appears in the
left-hand corner of the display. The
numbers are stored in the order of
the calls received.
When you have selected a number,
press s button.
The call will be made.
iIf you have activated the automatic redial
function on your mobile telephone, the number
of the person being called is automatically
redialed after a short waiting period if there is
a busy signal. Refer to the separate operating
instructions for the mobile telephone.

231 Controls in detail
Audio system
Accepting an incoming call
If the telephone is active in the background
(reception symbol is visible in the display),
the audio source is muted when an incom-
ing call is received. A ringing tone can be
heard and the caller’s telephone number,
or the name under which the telephone
number has been saved in the telephone
book, appears in the display. If the caller’s
number is not relayed,
CALL will appear in
the display.
Press s button.
The call is accepted.Muting a call
It is possible to mute a call; the caller is
then no longer able to hear you.

Mute on
PressMUT soft key.
MIC MUTE will appear in the display.

Mute off
PressMUT soft key again.
Terminating a call
Press t button.
The current call is terminated and the
muted audio source becomes active
again.Accepting a second incoming call
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
Place new call by entering
telephone number manually.
You are connected to the second
caller; the first caller is kept on hold.
iYou will be notified of the second call acous-
tically, but you will not see this in the display.

232 Controls in detail
Audio system

Switching between calls
Press s button.
This switches between the calls.
The non-active call is kept on hold.

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.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.

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.

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.

Combining two calls
Press s button.
The calls are combined into one
call.

Terminating a combined call
Press t button.
The connection to both callers is
terminated.

233 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 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*. 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. GSM network phones
Placing a “911” emergency call using
audio head unit with the phone lockedPress hbutton to switch to
telephone operation.
PIN? appears in the audio display.
Enter 911 using the number keypad on
the audio head unit.
Press OK soft key or sbutton for
dialing to begin.
DIALING appears in the audio display
while the telephone establishes the
connection.
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.
iEmergency calls may not be possible with
all telephone networks or if certain network
services and/or telephone functions are active.
Check with your local service providers.

234 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 sbutton for dialing to begin.
DIALING appears in the audio display
while the telephone establishes the
connection.
Wait until the emergency call center
answers, then describe the emergency. TDMA/CDMA network phones
Placing a “911” emergency call using
audio head unit with the phone locked
Press hbutton to switch to
telephone operation.
CODE? appears in the audio display.
Enter 911 using the number keypad on
the audio head unit.
Press OK soft key or sbutton for
dialing to begin.
DIALING appears in the audio display
while the telephone establishes the
connection.
Wait until the emergency call center
answers, then describe the emergency. 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 sbutton for dialing to begin.
DIALING appears in the audio display
while the telephone establishes the
connection.
Wait until the emergency call center
answers, then describe the emergency.
iIf no SIM card is in the mobile phone, NO
SERVICE
appears in the audio display. In that
case, you only can make an emergency call on
the mobile phone itself, without the use of the
head unit.

235 Controls in detail
Power windows
Power windows
Opening and closing the windows
The windows are opened and closed elec-
trically. The switches for both door win-
dows are located on the driver’s door. The
switch for operating the passenger-side
door window is located on the passenger
door.
The door windows can also be operated
using the retractable hardtop switch
(
page 237). The rear side windows can
only be operated using the retractable
hardtop switch (
page 237) or the
SmartKey* (
page 238).
1Left door window
2Right door window
Warning!G
When closing the windows, make sure there
is no danger of anyone being harmed by the
closing procedure.
The closing of the door windows can be
immediately halted by releasing the switch
or, if the switch was pressed past the resis-
tance point and released, by pressing the
respective switch.
The door windows are equipped with the
express-close and automatic reversal
function. If a door window encounters an
obstruction that blocks its path in a circum-
stance where you pressed the switch past
the resistance point and released it to close
the window, the automatic reversal function
will stop the window and open it slightly.
If a door window encounters an obstruction
that blocks its path in a circumstance where
you are closing the window by pressing and
holding the switch, by pressing and holding
button‹on the SmartKey, by pushing
and holding the retractable hardtop switch,
or by pressing and holding the,button
on the climate control panel or automatic
climate control* panel, the automatic rever-
sal function will not operate.
When leaving the vehicle, always remove the
SmartKey from the starter switch, take it
with you, and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle.
A child’s unsupervised access to a vehicle
could result in an accident and/or serious
personal injury.

236 Controls in detail
Power windows
Switch on the ignition (page 37).Opening the door windows
Press and hold switch1or2 at the
symbolk to the resistance point.
The corresponding window will move
downwards until you release the
switch.
Closing the door windows
Press and hold switch1or2 at the
symbolj to the resistance point.
The corresponding window will move
upwards until you release the switch.Fully opening the door windows
(Express-open)
Press switch1or2 at the
symbolk past the resistance point
and release.
The corresponding window opens
completely.
Fully closing the door windows
(Express-close)
Press switch1or2 at the
symbolj past the resistance point
and release.
The corresponding window closes
completely.
iYou can also open or close the windows
using the SmartKey* (
page 238) or the
retractable hardtop switch (
page 237).
You can close and open the windows using the
air recirculation switch, in the control panel
of the climate control (
page 178) or the
automatic climate control* (
page 190).
iAfter switching off the ignition (page 37)
or removing the SmartKey from the starter
switch, the door windows can be operated:

until you open a door

for at least 5 minutes if no door was opened
Warning!G
If you press and hold the switch when clos-
ing the window, and upward movement of
the window is blocked by some obstruction
including but not limited to arms, hands,
fingers, etc., the automatic reversal will not
operate.
Warning!G
Driver’s door only:
If the switch is pressed again past the resis-
tance point and released within 5 seconds,
the automatic reversal will not operate.

237 Controls in detail
Power windows
Stopping windows during
Express-operation
Briefly press the respective switch at
the symbolkorj again.Opening and closing the windows with
the retractable hardtop switch
All windows can be opened or closed with
the retractable hardtop switch.
The retractable hardtop switch is located
on the lower part of the center console.
Retractable hardtop switch
1Opening all side windows
2Closing all side windows
Switch on the ignition (page 37).
!If the upward movement of the window is
blocked during the closing procedure, the win-
dow will stop and open slightly.
Remove the obstruction, press the respective
switch at the symbolj again past the resis-
tance point and release.
If the window still does not close when there is
no obstruction, press and hold the respective
switch at the symbolj. The window will then
close without the obstruction sensor function.Warning!G
Never operate the windows if there is the
possibility of anyone being harmed by the
opening or closing procedure.
In case the procedure causes potential
danger, the procedure can be immediately
halted by releasing the retractable hardtop
switch.
If a door window encounters an obstruction
that blocks its path in a circumstance where
you are closing the windows using the
retractable hardtop switch, the automatic
reversal function will not operate.

238 Controls in detail
Power windows
Opening
Push the retractable hardtop switch in
quick succession twice in direction of
arrow1.
All side windows open.
Closing
Push the retractable hardtop switch in
quick succession twice in direction of
arrow2.
Keep the retractable hardtop switch
pushed the second time until all win-
dows are closed.
The windows in the driver’s and pas-
senger door will close first, followed by
the rear side windows.Opening and closing the windows with
the SmartKey*
The retractable hardtop (
page 240) will
also be opened or closed when the power
windows are operated with the SmartKey.
Aim transmitter eye at the outside
driver’s or passenger door handle.
The SmartKey must be in close
proximity to the respective outside
door handle.Opening (Summer opening feature)
Press and hold buttonŒ.
The windows and retractable hardtop
begin to open after approximately
1 second.
In the multifunction display you will see
the message
Retractable Roof In
Operation
.
Release buttonΠon the SmartKey
to interrupt procedure.
Closing (Convenience closing feature)
Press and hold lock button‹.
The windows and retractable hardtop
begin to close after approximately
1 second.
In the multifunction display you will see
the message
Retractable Roof In
Operation
.
Release button‹on the SmartKey
to interrupt procedure.
iYou can operate the rear side windows only
by using the retractable hardtop switch.
iWhen the retractable hardtop is open, only
the windows in the driver’s and passenger door
will close. The rear side windows remain open.

239 Controls in detail
Power windows
Synchronizing power windows
The power windows must be synchronized

after the battery has been disconnect-
ed or discharged.

if the power windows cannot be fully
opened (Express-open) or closed
(Express-close).
Each power window must be synchronized.
Close all doors.
Switch on the ignition (page 37).
Press and hold both switches1
and2 (
page 235) at the
symbolj until the windows are
completely closed.
Hold on to switches1and2 for
approximately 1 second.
The power windows are synchronized.
Warning!G
When closing the side windows and retract-
able hardtop, make sure that there is no
danger of anyone being harmed by the
closing procedure.
If potential danger exists, proceed as fol-
lows:

Release button‹to stop the closing
procedure. To open, press and hold
buttonŒ. To continue the closing
procedure after making sure that there
is no danger of anyone being harmed by
the closing procedure, press and hold
button‹.
Warning!G
If the retractable hardtop does not com-
pletely open or close, the roof hydraulics will
lose pressure and the retractable hardtop is
lowered

after approximately 7 minutes when the
ignition is switched on.

after approximately 15 seconds when
the ignition is switched off.
Shortly before the hardtop is lowered, a
warning will sound. In the multifunction dis-
play you will seeK and the message
Retractable Roof Lowering.
Properly lock the retractable hardtop
(
page 242) before continuing to drive.