Page 87 of 481

86 Safety and SecurityDriving safety systemsWhen you switch off the ESP
®
the ESP
® does not stabilize the vehicle
the engine output is not limited, which
allows the drive wheels to spin and
thus cut into surfaces for a better grip
the traction control will still brake a
spinning wheel
the ESP
® continues to operate when
you are brakingThe switch is located on the upper part of
the center console.
1ESP
® switch (off/on)
With the engine running, press ESP
®
switch1.
The ESP
® warning lampv in the
speedometer dial comes on.
The ESP® is switched off.
Switching on the ESP
®
Press ESP
® switch1.
The ESP
® warning lampv in the
speedometer dial goes out.
You are now again in normal driving
mode with the ESP
® switched on.
!Turn on the ESP
® immediately if the
aforementioned circumstances do not
apply anymore.
iWhen the ESP
® is switched off and one
or more drive wheels are spinning, the
ESP
® warning lampv in the speed-
ometer dial flashes. However, the ESP
®
will then not stabilize the vehicle.
Warning!
G
When the ESP
® warning lampv is illumi-
nated continuously, the ESP
® is switched
off.
Adapt your speed and driving to the prevail-
ing road conditions and to the non-operating
status of the ESP
®.
!Avoid spinning of a drive wheel for an
extended period with the ESP
®
switched off. This may cause serious
damage to the drivetrain which is not
covered by the Mercedes-Benz Limited
Warranty.
Page 88 of 481

87 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
Remove the SmartKey from the starter
switch.
Deactivating
Switch on the ignition (
page 36).
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens
a door
the trunk lid
the hood
the glove box
the storage compartment in the center
console
The alarm system will also be triggered
when
someone attempts to raise the vehicle
opening the vehicle with the
mechanical key
someone opens a door from the inside
someone opens the trunk lid with the
emergency release button
iStarting the engine will also deactivate
the immobilizer.
In case the engine cannot be started
(yet the vehicle’s battery is charged),
the system is not operational. Contact
an authorized Mercedes-Benz Center
or call 1-800-FOR-MERCedes (in the
USA), or 1-800-387-0100 (in Canada).
iThe alarm will stay on, even if the acti-
vating element (e.g. a door) is immedi-
ately closed.iIf the alarm stays on for more than
30 seconds, a call to the Response
Center is initiated automatically by the
Tele Aid system (
page 273), provided
Tele Aid service was subscribed to and
properly activated, and that necessary
cellular service and GPS coverage are
available (
page 273).
Page 90 of 481

89 Safety and Security
Anti-theft systems
Arming tow-away alarm
Lock your vehicle with the SmartKey.
The tow-away alarm is automatically
armed after about 30 seconds.
Disarming tow-away alarm
To prevent triggering the tow-away alarm,
switch off the tow-away alarm feature be-
fore towing the vehicle, or when parking on
a surface subject to movement, such as a
ferry or auto train.The switch is located on the lower part of
the center console.
1Indicator lamp
2Tow-away alarm deactivation switch
Switch off the ignition (
page 36).
Remove the SmartKey from the starter
switch.
Press tow-away alarm deactivation
switch2.
Indicator lamp1 in the tow-away
alarm deactivation switch comes on
briefly.
Exit your vehicle.
Lock your vehicle with the SmartKey.
The tow-away alarm remains disarmed un-
til you lock your vehicle again.
Canceling tow-away alarm
To cancel the alarm:
Press theŒ or‹button on the
SmartKey.
or
Insert the SmartKey in the starter
switch.
iWhen you unlock your vehicle, the
tow-away protection disarms
automatically. The tow-away alarm
remains disarmed until you lock the
vehicle again.
iYou cannot disarm the tow-away alarm
while the ignition is switched on.
Page 103 of 481
102 Controls in detailLocking and unlockingLocking and unlocking from the inside
You can lock or unlock the doors and the
trunk from inside using the central locking
switch. This can be useful, for example, if
you want to lock the vehicle before starting
to drive.
The fuel filler flap will not be locked or un-
locked with the central locking or unlock-
ing switch, respectively.The switches are located on the upper part
of the center console.
1Central locking switch
2Central unlocking switch
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.
Page 105 of 481
104 Controls in detailSeatsFor information on seat adjustment, see
“Adjusting” (
page 38).
Seat heating*
The switches are located on the upper part
of the center console.
1Seat heating switch (driver’s side)
2Indicator lampsRed indicator lamps2 on the seat heating
switch show which heating level you have
selected:
Switch on the ignition (
page 36).Switching on seat heating
Press the desired seat heating switch.
Three red indicator lamps2 on the re-
spective seat heating switch come on.
Press the seat heating switch repeat-
edly until the desired seat heating level
is reached.
Level3
Three indicator lamps on
(highest level).
After approximately 5 minutes,
seat heating is automatically
switched to level 2.
2
Two indicator lamps on.
After approximately 10 minutes,
seat heating is automatically
switched to level 1.
1
One indicator lamp on
(lowest level).
After approximately 20 minutes,
seat heating is automatically
switched to off.
off
No indicator lamp on.
Page 106 of 481

105 Controls in detailSeats
Switching off seat heating
Press the desired seat heating switch
repeatedly until all indicator lamps2
on the seat heating switch go out.
AIRSCARF neck-level heating*
The AIRSCARF neck-level heating provides
the area surrounding the occupants’ necks
with a heated air stream flowing from
openings in the head restraints.
The switches are located on the upper part
of the center console.
1AIRSCARF switch (driver’s side shown)
2Indicator lamps
iIf one or more of indicator lamps2 on
the seat heating switch are flashing,
there is insufficient voltage available
since too many electrical consumers
are turned on. The seat heating switch-
es off automatically.
The seat heating will switch back on
again automatically as soon as suffi-
cient voltage is available.
Warning!
G
When switching on the AIRSCARF neck-level
heating, the air streaming from the openings
may be very hot. When in close proximity to
the openings, you could be seriously
burned. To help avoid serious personal
injuries, switch the AIRSCARF to a lower
heating level.
Page 110 of 481
109 Controls in detail
Memory function*
The switches are located on the lower part
of the center console.
1Driver’s side exterior rear view mirror
switch
2Adjustment switch
3Passenger-side exterior rear view
mirror switch
Switch on the ignition (
page 36).
Press switch3 to select the passen-
ger-side exterior rear view mirror.
Adjust the passenger-side exterior rear
view mirror with adjustment switch2
so that you see the rear wheel and the
road curb.
Press memory buttonM (
page 107).
Within 3 seconds, press adjustment
switch2 forward, backward, left, or
right.
The parking position is stored if the
mirror does not move.iIf the mirror does move, repeat the
above steps. After the setting is stored,
you can move the mirror again.
Page 118 of 481

117 Controls in detail
Lighting
Hazard warning flasher
The hazard warning flasher can be
switched on at all times, even with the
SmartKey removed from the starter
switch.
The hazard warning flasher switches on au-
tomatically when an air bag deploys.
The hazard warning flasher switch is locat-
ed on the upper part of the center console.
1Hazard warning flasher switchSwitching on hazard warning flasher
Press hazard warning flasher
switch1.
All turn signal lamps are flashing.
Switching off hazard warning flasher
Press hazard warning flasher switch1
again.
Interior lighting
The controls are located in the overhead
control panel.
1Interior lighting on/off
2Automatic control on/off
3Right reading lamp on/off
4Left reading lamp on/off
iWith the hazard warning flasher acti-
vated and the combination switch set
for either left or right turn, only the re-
spective turn signals will operate when
the SmartKey is in the starter switch
position1or2.iIf the hazard warning flasher has been
activated automatically, press hazard
warning flasher switch1 once to
switch it off.
iLeaving an interior light switch in the
ON position for extended periods of
time with the engine turned off could
result in a discharged battery.