Page 86 of 458

84 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 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 on/off
Press ESP switch1 until the ESP
warning lampv in the speedometer
comes on.
The ESP is deactivated.Switching on the ESP
Press ESP switch1.
The ESP warning lampv in the in-
strument cluster goes out.
You are now again in normal driving
mode with the ESP switched on.
iWhen the ESP is switched off and one
or more drive wheels are spinning, the
ESP warning lampv in the instru-
ment cluster 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 458

86 Safety and SecurityAnti-theft systemsArming the alarm system
The indicator lamp located in the central
locking switch in on the upper part of the
front center console.
1Indicator lamp
Lock your vehicle.
The turn signal lamps flash three times
to indicate that the alarm system is ac-
tivated. The indicator lamp1 flashes
to indicate that the alarm system is
armed.Disarming the alarm system
Unlock your vehicle.
The turn signal lamps flash once to in-
dicate that the alarm system is deacti-
vated.
iIf the alarm stays on for more than
30 seconds, a call to the Response
Center is initiated automatically by the
by the Tele Aid system (
page 243)
provided Tele Aid service was sub-
scribed to and properly activated, and
that necessary cellular service and GPS
coverage are available.
iIf the turn signal lamps does not flash
three times one of the following ele-
ments may not be properly closed:
a door
the trunk
the hood
Close the respective element and lock
the vehicle again.
iThe alarm system will rearm automati-
cally again after approximately 40 sec-
onds if no door was opened.
Page 90 of 458
88 Safety and SecurityAnti-theft systemsThe button is located on the upper part of
the front center console.
1Indicator lamp
2Tow-away alarm off switch
Switch off the ignition and remove the
SmartKey from the starter switch.
Press switch2.
Indicator lamp1 in the switch comes
on briefly.
Exit and lock your vehicle with the
SmartKey or (vehicles with
KEYLESS-GO*) the lock button at each
door handle.
The tow-away alarm remains disarmed un-
til you lock your vehicle again.
iYou cannot disarm the tow-away alarm
if the ignition is switched on.
Page 113 of 458

111 Controls in detail
Locking and unlocking
Locking and unlocking from the inside
You can lock or unlock the doors and the
trunk from inside using the central locking
or unlocking switch. This can be useful, for
example, if you want to lock the vehicle be-
fore starting to drive.
The fuel filler flap cannot be locked or un-
locked with the central locking or unlock-
ing switch, respectively.The switches are located on the upper part
of the front center console.
Central locking/unlocking switches1Central locking switch
2Central unlocking switch
Locking
Press central locking switch 1.
If both doors are closed, the vehicle
locks.
Unlocking
Press central unlocking switch 2.
The vehicle unlocks.
Warning!
G
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you,
take the SmartKey with KEYLESS-GO* with
you and lock the vehicle. Do not leave chil-
dren unattended in the vehicle, or with ac-
cess to an unlocked vehicle. Unsupervised
use of vehicle equipment may cause an ac-
cident and/or serious personal injury.
iYou can open a locked door from the
inside. Open door only when conditions
are safe to do so.
If the vehicle was previously centrally
locked with the SmartKey or the with
KEYLESS-GO*, it will not unlock using
the central unlocking switch2.
If the vehicle was previously locked
with the central locking switch1:
While in the global remote control
mode, the vehicle is unlocked com-
pletely when a door is opened from
the inside.
While in the selective remote con-
trol mode, only the door opened
from inside is unlocked.
Page 117 of 458
115 Controls in detailSeats
Rear seat head restraints
Folding head restraints back
The rear seat head restraints and the rear
seat power head restraints* can be folded
backward for increased visibility.
The switch is located on the upper part of
the front center console.
1Switch in the front center console
Switch on ignition (
page 34).
Press switch1 in the front center con-
sole briefly.
The rear head restraints will fold back-
ward.Placing head restraints upright
Pull the rear head restraint upright until
it locks into position.
iThe rear head restraints cannot be re-
moved.
Warning!
G
For safety reasons, always drive with the
rear head restraints in the upright position
when the rear seats are occupied.
Keep the area around head restraints clear
of articles (e.g. clothing) to not obstruct the
folding operation of the head restraints.
!Make sure the head restraints engage
when placing them upright manually.
Otherwise, their protective function
cannot be ensured.
Page 118 of 458

116 Controls in detailSeatsPlacing power head restraints* upright
Switch on ignition (
page 34).
Press switch1 in the front center con-
sole and hold.
The rear head restraints will fold up-
right.Folding back and placing upright power
head restraints* with the switch in the
rear center console
You can fold the rear power head restraints
backward or upright using the head re-
straint folding switch in the rear center
console.
1Fold rear head restraint up
2Fold rear head restraint down
Switch on ignition (
page 34).
Push upper half1 of switch.
The rear power head restraints will fold
upright.
Push lower half2 of switch.
The rear power head restraints will fold
backward.
Head restraint tilt
You can adjust the angle manually by pull-
ing or pushing the head restraints by hand.Warning!
G
For safety reasons, always drive with the
rear head restraints in the upright position
when the rear seats are occupied.
Keep the area around head restraints clear
of articles (e.g. clothing) to not obstruct the
folding operation of the head restraints.
Page 132 of 458

130 Controls in detailLightingHazard warning flasher
The hazard warning flasher can be
switched on at all times, even with the
SmartKey removed from the starter switch
or with the SmartKey with KEYLESS-GO*
removed from the vehicle.
The hazard warning flasher switches on au-
tomatically when an airbag deploys.
The hazard warning flasher switch is locat-
ed on the upper part of the front center
console.
1Hazard warning flasher switchSwitching on the hazard warning
flasher
Press hazard warning flasher switch.
All turn signals will flash.Switching off the hazard warning
flasher
Press hazard warning flasher switch
again.
iWith the hazard warning flasher acti-
vated and the combination switch set
for either left or right turn, only the re-
spective left or right turn signals will
operate when the SmartKey in the
starter switch is in position 1 or 2 or
the KEYLESS-GO** start/stop button
(page 35) is pressed once or twice.
iIf the hazard warning flasher was acti-
vated automatically, also press hazard
warning flasher switch 1 to switch off
the hazard warning flasher.
Page 135 of 458

133 Controls in detail
Lighting
Courtesy lighting
For better orientation in the dark, courtesy
lamps will illuminate the interior of your ve-
hicle as follows:
With parking lamps switched on:
the door handles
the driver and passenger footwells
With the SmartKey in the starter switch
position1:
the door handles
the center console
Door entry lamps
For better orientation in the dark, the cor-
responding door entry lamps will switch on
in darkness when you open a door and the
automatic control is activated.
The door entry lamps switch off when the
corresponding door is closed.
Trunk lighting
The trunk lighting switches on if the trunk
lid is opened.
If you leave the trunk open for an extended
period of time, the trunk lighting will switch
off automatically after approximately
ten minutes.
iIf you turn the SmartKey in the starter
switch to position0 and switch off the
exterior headlamps, the door handle
lamps will remain lit for approximately
five minutes.
iIf you turn the SmartKey in the starter
switch to position0 and switch off the
exterior headlamps, the door entry
lamps will remain lit for approximately
five minutes.