Page 164 of 417

163 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 on the display and re-
peated attempts to place the call will be 
made for the next four 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. 
         
        
        
     
        
        Page 166 of 417

165 Controls in detail
Audio system
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. 
Press button4 on the audio head 
unit until 911 appears in the audio dis-
play. 911
 appears in the audio display while 
the telephone establishes the connec-
tion. 
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 the
SND
 key for dialing to begin. 
The telephone establishes the connec-
tion. 
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. 
         
        
        
     
        
        Page 167 of 417

166 Controls in detailAudio systemAccepting 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 dis-
play.
Press the
SND
 key to accept the call.Muting 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 al-
ready active call, you can accept the sec-
ond 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. 
         
        
        
     
        
        Page 172 of 417

171 Controls in detail
Automatic transmission
Gear selector lever positions
Effect
ì
Park position 
Gear selector lever position 
when the vehicle is parked. Place 
gear selector lever in positionP 
only when vehicle is stopped. 
The park position is not intended 
to serve as a brake when the 
vehicle is parked. Rather, the 
driver should always set the 
parking brake in addition to 
placing the gear selector lever in 
positionP to secure the vehicle.
EffectThe SmartKey can only be 
removed from the starter switch 
with the gear selector lever in 
positionP. With the SmartKey 
removed, the gear selector lever 
is locked in positionP.
If the vehicle’s electrical system 
is malfunctioning, the gear 
selector lever could remain 
locked in positionP.
í
Reverse gear 
Place gear selector lever in 
positionR only when vehicle is 
stopped.
Effect
ë
Neutral
No power is transmitted from the 
engine to the drive axle. When 
the brakes are released, the 
vehicle can be moved freely 
(pushed or towed).
To avoid damage to the trans-
mission, never engageN while 
driving.
If the ESP is deactivated or 
malfunctioning:
Move gear selector lever toN 
only if the vehicle is in danger of 
skidding, e.g. on icy roads.
ê
Drive 
The transmission shifts 
automatically. All five forward 
gears are available. 
         
        
        
     
        
        Page 173 of 417

172 Controls in detailAutomatic transmission
!
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 56).
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 191 of 417
190 Controls in detailAutomatic climate controlResidual heat and ventilation
With the engine switched off, it is possible 
to continue to heat or ventilate the interior 
for up to 30 minutes. This feature makes 
use of the residual heat produced by the 
engine.Activating
Turn the SmartKey in the starter switch 
to position1 or0 o r  r e m o v e  i t  f r o m  t h e  
starter switch.
Press button T (
page 184).
The indicator lamp on button T 
comes on.Deactivating
Press button T (
page 184).
The indicator lamp on button T 
goes out.
The residual heat is automatically turned 
off:
when the ignition is switched on
after about 30 minutes 
if the battery voltage drops
iHow long the system will provide heat-
ing depends on the coolant tempera-
ture and the temperature set by the 
operator. The blower will run at speed 
setting1 regardless of the air distribu-
tion control setting. 
         
        
        
     
        
        Page 194 of 417

193 Controls in detail
Power windows
Power windows
Opening and closing the windows
The windows are opened and closed elec-
trically. The switches for the windows are 
located on the door sill on the driver’s side 
(page 34). The switch for the passenger 
side is located on the door sill on the pas-
senger side.
1Left window 
2Right window
Switch on the ignition (
page 40).
Warning!
G
When closing the windows, make sure there 
is no danger of anyone being harmed by the 
closing procedure.
The closing of the windows can be immedi-
ately halted by releasing the switch or, if 
switch was pulled past the resistance point 
and released, by either pressing or pulling 
the respective switch.
If the window encounters an obstruction 
that blocks its path in a circumstance 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 the window encounters an obstruction 
that blocks its path in a circumstance where 
you are closing the window by pulling and 
holding the switch, or by pressing and hold-
ing button‹ on the SmartKey, the auto-
matic reversal function will not operate.
When leaving the vehicle, always remove the 
SmartKey from 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 196 of 417
195 Controls in detail
Power windows
Stopping the windows
Press or pull respective switch again.
Opening and closing the windows with 
the SmartKey
You can also open and close the windows 
from the outside using the SmartKey.
Aim transmitter eye at the rear quarter-
light window.Opening (Summer opening feature)
Press and hold buttonŒ after 
unlocking the vehicle.
The windows begin to open after ap-
proximately one second.
Release the Œbutton to stop 
procedure.
Warning!
G
Never operate the windows 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 
transmit button on the SmartKey. To reverse 
direction of movement, press buttonŒ 
for opening or‹ for closing.