Page 249 of 521

248 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 your-
self. GSM network phones
Placing a “911” emergency call using
audio head unit with the phone lockedPress hbutton to switch to tele-
phone 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 crim-
inal offense.
iEmergency 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 250 of 521

249 Controls in detail
Audio system
Placing a “911” emergency call using
audio head unit with the phone un-
locked
Press hbutton to switch to tele-
phone 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 tele-
phone 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 di-
aling 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 un-
locked
Press hbutton to switch to tele-
phone 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.
Page 251 of 521

250 Controls in detail
Power windows
Opening and closing the windows
The side windows are opened and closed
electrically. The switches for all the side
windows are on the driver’s door. The
switches for the respective windows are
on the front passenger door and the rear
side trim panels.
1Left front window
2Right front window
3Right rear window
4Left rear window
5Rear window override switch
(
page 88)
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 im-
mediately halted by releasing the switch or,
if switch was pulled past the resistance
point and released, by either pressing or
pulling the respective switch.
The closing of the rear side windows can be
immediately halted by releasing the switch.
The door windows are equipped with the ex-
press-close and automatic reversal func-
tion. If a door window encounters an
obstruction that blocks its path in a circum-
stance where you pulled 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 pulling and
holding the switch, by pressing and holding
button ‹on the SmartKey, by pressing
and holding the lock button (vehicles with
KEYLESS-GO*) on an outside door handle,
CLK cabriolet: by operating the soft top
switch, or by pressing and holding
button, ore on the climate control
panel, the automatic reversal function will
not operate.
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. A child’s unsupervised ac-
cess to a vehicle could result in an accident
and/or serious personal injury.
Page 252 of 521

251 Controls in detail
Power windows
Switch on the ignition (page 40).
Opening the windows
Press switch1 to4 to the resistance
point.
The corresponding window will move
downwards until you release the
switch.
Closing the windows
Pull switch1 to4 to the resistance
point.
The corresponding window will move
upwards until you release the switch.Fully opening the door windows
(Express-open)
Press switch1 or2 past the
resistance point and release.
The corresponding window opens
completely.
iYou can also open or close the windows us-
ing the:
SmartKey (summer opening/convenience
feature) (
page 253)
CLK cabriolet: Soft top switch (page 255).
Depending on current position, the windows may
also open or close when:
the air recirculation button, in the con-
trol panel of the climate control
(
page 191) or automatic climate control
(
page 201) is pressed and held
or
the charcoal filter buttone in the control
panel of the automatic climate control
(
page 201) is pressed and held
iOperating the rear side windows from the
rear is not possible if you activate the override
switch (
page 88).
iAfter switching off the ignition (page 38)
or removing the SmartKey from the starter
switch, the power windows can be operated:
until you open a door
for at least 5 minutes if no door was opened
Warning!G
If you pull and hold the switch up when
closing the window, and upward movement
of the window is blocked by some obstruc-
tion including but not limited to arms, hands,
fingers, etc., the automatic reversal will not
operate.
Page 253 of 521

252 Controls in detail
Power windows
Fully closing the door windows
(Express-close)
Pull switch1 or2 past the
resistance point and release.
The corresponding window closes
completely.
Stopping windows during
Express-operation
Press or pull the respective power win-
dow switch again.
Synchronizing power windows
The power windows must be resynchro-
nized each time
after the battery has been
disconnected.
if the power windows cannot be fully
opened (Express-open) or closed
(Express-close).
Switch on the ignition (page 40).
Pull the power window switches until
the side windows are closed.
Hold the switches for approximately
one second.
The power windows are synchronized.
!If the upward movement of a door window is
blocked during the closing procedure, the door
window will stop and open slightly.
Remove the obstruction, pull the switch again
past the resistance point and release.
If the door window still does not close when
there is no obstruction, then pull the switch and
hold it. The door window will then close without
the obstruction sensor function.
Warning!G
Driver’s door only:
If within five seconds you again pull the
switch past the resistance point and re-
lease, the automatic reversal will not
function.
Page 254 of 521

253 Controls in detail
Power windows
Summer opening feature
If the weather is warm, you can ventilate
the vehicle before driving off by simulta-
neously:
opening the side windows
opening the tilt/sliding sunroof* (CLK
coupe)
opening the soft top (CLK cabriolet)
turning on the seat ventilation* for the
driver’s seatAim transmitter eye of the SmartKey or
SmartKey with KEYLESS-GO* at the
driver’s outside door handle. The
SmartKey or SmartKey with
KEYLESS-GO* must be in close proxim-
ity to the diver’s door handle.
Press and hold button Œ after un-
locking the vehicle until the windows
and the tilt/sliding sunroof* (CLK
coupe) have reached the desired posi-
tion or the soft top (CLK cabriolet) is
fully open.
The windows and tilt/sliding sunroof*
(CLK coupe) or soft top (CLK cabriolet)
begin to open after approximately one
second.
CLK cabriolet: The message
Top In Op-
eration
appears in the multifunction
display.
Release button Œ to interrupt
procedure.
CLK cabriolet: Make sure the soft top is
fully opened.
Warning!G
Never operate the windows and/or the
tilt/sliding sunroof* (CLK coupe), or soft top
(CLK cabriolet), if there is the possibility of
anyone being harmed by the opening or
closing procedure.
In the event that the procedure causes
potential danger, the procedure can be
immediately halted by releasing the button
on the SmartKey. To reverse direction of
movement, press Œ for opening or ‹
for closing.
iThe seat ventilation* for the driver’s seat is
automatically set to the highest level if activated
via summer opening feature.
Page 255 of 521

254 Controls in detail
Power windows
Convenience closing feature
When you lock the vehicle, you can close
the windows and the tilt/sliding sunroof*
(CLK coupe), or soft top (CLK cabriolet) si-
multaneously.
Aim transmitter eye of the SmartKey or
SmartKey with KEYLESS-GO* at the
driver’s outside door handle
(
page 253). The SmartKey or
SmartKey with KEYLESS-GO* must be
in close proximity to the driver’s door
handle.
Press and hold button ‹until the
windows and the tilt/sliding sunroof*
(CLK coupe), or soft top (CLK cabriolet)
are completely closed.The windows and the tilt/sliding sun-
roof* (CLK coupe), or soft top (CLK ca-
briolet) begin to close after
approximately one second.
The message
Top In Operation ap-
pears in the multifunction display.
Release button ‹to interrupt
procedure.
Vehicles with KEYLESS-GO*:
Press and hold the lock button on an
outside door handle (
page 62) until
the side windows and the tilt/sliding
sunroof* (CLK coupe) are completely
closed.
Release the lock button on the outside
door handle to interrupt procedure.
Make sure all side windows and the
tilt/sliding sunroof* (CLK coupe), or soft
top (CLK cabriolet) are properly closed be-
fore leaving the vehicle.
Warning!G
When closing the side windows and/or the
tilt/sliding sunroof* (CLK coupe), or soft top
(CLK cabriolet), make sure there is no dan-
ger of anyone being harmed by the closing
procedure.
The windows will not automatically re-open
if blocked during convenience closing.
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 ‹.
Vehicles with KEYLESS-GO*:
Release the lock button (page 62) on
exterior door handle to stop the closing
procedure.
Immediately pull on the same outside
door handle and hold firmly. The side
windows and the tilt/sliding sunroof*
(CLK coupe), or soft top (CLK cabriolet)
will open for as long as the door handle
is held but the door is not opened.
Page 256 of 521

255 Controls in detail
Power windows
Opening and closing all side windows
with the soft top switch (CLK cabriolet)
The soft top switch is located in the center
console.
1Soft top switch
As an alternate method to using the power
window switches, all side windows can be
opened or closed using the soft top
switch1.
Switch on the ignition.Opening
Press soft top switch1 twice. Press
the switch briefly the first time. Then
press the switch a second time and
hold it until the side windows have
reached the desired position.
Closing
Pull soft top switch1 twice. Pull the
switch briefly the first time. Then pull
the switch a second time and hold it
until the side windows have reached
the desired position.
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 dan-
ger, the procedure can be immediately halt-
ed by releasing the soft top switch. To open
the windows again, press the soft top switch
twice. Press the switch briefly the first time.
Then press the switch a second time and
hold it until the side windows have reached
the desired position.