Page 161 of 481

160 Controls in detailAutomatic transmission*
Gear ranges
With the gear selector lever in positionD
and driving in the automatic shift
programC orS (
page 163), you can
select a gear range for the automatic
transmission to operate within:
Gear selector lever (page 164):
You can limit the gear range by pressing
the gear selector lever to the left (D-), and
reverse the gear range limit by pressing
the gear selector lever to the right (D+).
Steering wheel gearshift control
(
page 165):
You can limit the gear range by pressing
the respective downshift button on the
steering wheel gearshift control, and
reverse the gear range limit by pressing
the respective upshift button on the
steering wheel gearshift control.
!Coasting the vehicle, or driving for any
other reason with gear selector lever
inN can result in transmission damage
that is not covered by the
Mercedes-Benz Limited Warranty.Warning!
G
Getting out of your vehicle with the gear
selector lever not fully engaged in positionP
is dangerous. Also, positionP alone is not
intended to or capable of preventing your
vehicle from moving, possibly hitting people
or objects.
Always set the parking brake in addition to
shifting to positionP (
page 52). When
parked on an incline, turn the front wheels
towards the road curb.
Do not park this vehicle in areas where
combustible materials such as grass, hay or
leaves can come into contact with the hot
exhaust system, as these materials could be
ignited and cause a vehicle fire.
Warning!
G
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. Children
could move the gear selector lever from
positionP, which could result in an accident
and/or serious personal injury.
Page 207 of 481
206 Controls in detailAudio systemButton and soft key operation
In these instructions, the alphanumeric
keypad (right side of radio panel) and the
function buttons (left side of radio panel)
are referred to as “buttons”. The four keys
below the display panel are referred to as
“soft keys”.
Operation
Switching the unit on/off
Switching on
Turn the SmartKey in the starter switch
to position1 or2 (
page 36).
If the audio system was on as you
removed the SmartKey from the starter
switch, the audio system will
automatically come back on as you
turn the SmartKey to position1 or2.
or
Press
D
button.
!Do not press directly in the display
face. Otherwise, the display will be
damaged.
iIf the radio is switched on without the
SmartKey in the starter switch, it will
automatically switch off again after
approximately 30 minutes.
If your vehicle is equipped with a
telephone, the display may prompt you
to enter your PIN (GSM network) or
code (TDMA or CDMA network).
Page 208 of 481

207 Controls in detail
Audio system
Switching off
Remove the SmartKey from the starter
switch.
or
Press
D
button.
Adjusting the volume
Turn rotary control of
E
button.
The volume will increase or decrease
depending on the direction turned.Adjusting sound functions
The bass and treble functions are called up
by pressing the O button.
Settings for bass and treble are stored
separately for the AM and FM wavebands,
weather band, CD mode and telephone
mode.
Bass
Press O button repeatedly until BASS
appears in the display.
Press
+ or
– soft key to increase or
decrease tone level accordingly.
or
Press
RES
soft key briefly to reset bass
tones to their center level.
The radio switches back to the
standard radio menu 8 seconds after
the last soft key is pressed.
iShould excessively high temperatures
occur while the audio system is being
operated, the display will dim. If tem-
peratures continue to rise,
HIGH TEMP
will appear in the display, after which
the audio system will be switched off
for a cooling-down period.
iIf your vehicle equipment includes a
Mercedes-Benz specified mobile
telephone*, you can adjust its volume
separately from the volume of the
audio system while the telephone is
being used.
Page 247 of 481

246 Controls in detailPower windowsOpening and closing the windows
The windows are opened and closed eletri-
cally. Switches for operating the driver and
passenger door windows are located on
the driver’s door. A switch for operating
the passenger door window is located on
the passenger door.
The door windows can also be operated
using the retractable hardtop switch
(page 248). The rear side windows can
only be operated using the retractable
hardtop switch (
page 248) or the
SmartKey* (
page 249).
1Left window
2Right 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 im-
mediately halted by releasing the switch or,
if the switch was pressed past the resis-
tance point and released, by pressing the re-
spective 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 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. Unsuper-
vised use of vehicle equipment can cause an
accident and/or serious personal injury.
Page 248 of 481

247 Controls in detail
Power windows
Switch on the ignition (
page 36).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 249) or the retractable
hardtop switch (
page 248).
You can close and open the windows
using the air recirculation switch,
in the control panel of the climate
control (
page 185) or the automatic
climate control* (
page 199).
iWith the SmartKey in starter switch
position0 or removed from the starter
switch, the door windows can be oper-
ated:
until you open a door
for at least 5 minutes
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, fin-
gers, etc., the automatic reversal will not op-
erate.
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.
Page 250 of 481

249 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 252) 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 proxim-
ity to the respective outside door han-
dle.
iYou can operate the rear side windows
only by using the retractable hardtop
switch.
iIf the retractable hardtop is open, only
the windows in the driver’s and passen-
ger door will close. The rear side win-
dows remain open.
Page 251 of 481

250 Controls in detailPower windowsOpening (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 buttonŒ on 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.
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‹.
Page 253 of 481

252 Controls in detailRetractable hardtopOpening and closing the retractable hardtop
For safety reasons, the retractable hardtop
can only be opened and closed when the
vehicle is standing still.Warning!
G
Before operating the switch for the retract-
able hardtop, make sure no persons are in-
jured by the moving parts (retractable
hardtop, roof frame, and trunk lid).
Hands must never be placed near the roof
frame, upper windshield area, retractable
hardtop, shelf behind roll bars, or trunk lid
while the retractable hardtop is being raised
or lowered. Serious personal injury may
occur.
If potential danger exists, release the re-
tractable hardtop switch. This immediately
interrupts the raising or lowering procedure.
You can then operate the retractable hard-
top switch to raise or lower the retractable
hardtop away from the danger zone.
Warning!
G
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. Unsuper-
vised use of vehicle equipment may cause
an accident and/or serious personal injury.!Never sit or place heavy objects on the
rear shelf. Doing so could cause dam-
age to the retractable hardtop and the
rear shelf.
!When opening and closing the retract-
able hardtop, make sure
there is sufficient clearance for the
retractable hardtop to move up and
the trunk lid to move back
the cargo compartment cover is
extended and closed
the trunk is only loaded to the
height of the cargo compartment
cover
the luggage/cargo does not push
the closed cargo compartment
cover up
the trunk lid is closed
no roof luggage carrier is installed
the outside temperature is above
+5°F (-15°C)
Otherwise the roof and other parts of
the vehicle could be damaged.