Page 81 of 394

81 Safety and Security
Anti-theft systems
Tow-away alarm
Once the tow-away alarm is armed, a visual
and audible alarm will be triggered when
someone attempts to raise the vehicle.
Arming tow-away alarm
When you lock your vehicle, the tow-away
alarm is automatically armed after about
30 seconds.
When you unlock your vehicle, the
tow-away protection disarms automatical-
ly.Disarming tow-away alarm
To prevent triggering the tow-away alarm
feature, switch off the tow-away alarm be-
fore towing the vehicle, or when parking on
a surface subject to movement, such as a
ferry or auto train.
1Tow-away alarm off switch
2Indicator lamp
The switch is located on the center con-
sole.
Turn off the ignition and remove the
key.
Press upper half1 of the switch.
Indicator lamp2 in the switch lights up
briefly.
Lock your vehicle with the key or (vehi-
cles with KEYLESS-GO*) the lock but-
ton at each door handle.
The tow-away alarm remains disarmed un-
til you lock your vehicle again.
iThe tow-away protection alarm is trig-
gered, for example, if the vehicle is lift-
ed on one side.
If the alarm stays on for more than
20 seconds, an emergency call is initi-
ated automatically by the Tele Aid sys-
tem provided Tele Aid service was
subscribed to and properly activated.
iYou cannot disarm the tow-away alarm
if the ignition is turned on.
Page 86 of 394

86 Controls in detailLocking and unlocking
Checking the batteries
Press button
‹
or
Œ
.
Battery check lamp5 lights up briefly
to indicate that the key batteries are in
order.Unlocking the trunk lid
You can unlock the trunk separately.
Press and hold button
Š
until trunk
unlocks.
!If you can no longer lock or unlock the
vehicle with the key, then either the
batteries in the SmartKey are dis-
charged or the key is malfunctioning.
Check the batteries in the key and
replace them if necessary
(page 312).
or
Use the mechanical key to unlock
the doors (
page 310) and trunk
(
page 311) as required. Lock the
vehicle using the mechanical key
(page 311).
If the key is malfunctioning, contact an
authorized Mercedes-Benz Center.
!If battery check lamp5 does not light
up briefly during check, then the key
batteries are discharged.
Replace the batteries (
page 312).
You can obtain the required batteries
at any authorized Mercedes-Benz Cen-
ter.
!The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.iIf the vehicle was previously centrally
locked with the SmartKey, the trunk lid
will lock automatically after closing it.
The turn signals will flash three times to
confirm locking.
If the trunk lid was previously separate-
ly locked (
page 94), the trunk lid will
remain locked.
Page 87 of 394
87 Controls in detail
Locking and unlocking
Opening the trunk lid
The handle is located in the rear license
plate recess.
Lift the trunk lid.
The trunk lid swings open upwards. Always
make sure that there is sufficient overhead
clearance.The trunk can also be opened from the in-
side in an emergency, see “Trunk lid emer-
gency release” (
page 93).Loss of SmartKey or mechanical key
If you lose a SmartKey or mechanical key,
you should do the following:
Have the SmartKey deactivated by an
authorized Mercedes-Benz Center.
Report the loss of the SmartKey or the
mechanical key immediately to your
car insurance company.
If necessary, have the mechanical lock
replaced.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
iThe vehicle must be unlocked.
Page 90 of 394

90 Controls in detailLocking and unlockingGlobal locking
Press lock button at door handle
(page 53) or trunk lid (
page 91).Unlocking the trunk lid
The handle is located in the rear license
plate recess.
Pull on the handle and lift up the trunk
lid.
The vehicle unlocks the trunk lid only.
If the trunk lid does not open, it is still
locked separately (
page 95).The trunk can also be opened from the in-
side in an emergency, see “Trunk lid emer-
gency release” (
page 93).
!If you cannot lock or unlock the vehicle
with the SmartKey with KEYLESS-GO,
then either the batteries of the key are
discharged or the key is malfunction-
ing.
Check the batteries of the Smart-
Key with KEYLESS-GO (
page 86)
and replace them if necessary
(
page 312).
Use the mechanical key to unlock
the driver’s door (
page 310) and
trunk lid (
page 311) as required.
Lock the vehicle using the mechan-
ical key (
page 311).
If your SmartKey with KEYLESS-GO is
malfunctioning, contact your autho-
rized Mercedes-Benz Center.
!The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.
iIf the vehicle was previously centrally
locked with the SmartKey, the trunk lid
will lock automatically after closing it.
The turn signals will flash three times to
confirm locking.
Vehicles with KEYLESS-GO:
To prevent a possible inadvertent lock-
out, the trunk lid will open automatical-
ly if a SmartKey with KEYLESS-GO* is
recognized in the area of the rear shelf
or inside the trunk.
Page 91 of 394

91 Controls in detail
Locking and unlocking
Locking the vehicle
1Trunk lock button
Press the lock button at door
(page 53) or trunk.
Closing the side windows and
sliding/pop-up roof
Press and hold lock button at door
(page 53) until the side windows and
the sliding/pop-up roof are closed.Loss of the SmartKey with KEYLESS-GO
If you lose your SmartKey with KEY-
LESS-GO, you should do the following:
Have the SmartKey with KEYLESS-GO
deactivated by an authorized
Mercedes-Benz Center.
Report the loss immediately to your car
insurance company.
Have the mechanical lock replaced if
necessary.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
Warning!
G
When closing the windows and the slid-
ing/pop-up roof, be sure that there is no
danger of anyone being harmed by the clos-
ing procedure.
If potential danger exists, proceed as fol-
lows:
Release the lock button.
Pull on the door handle and hold firmly.
The side windows and the slid-
ing/pop-up roof will open for as long as
the door handle is held but the door not
opened.
Page 96 of 394
96 Controls in detailLocking and unlockingThe switch is located in the center console.Central locking switch1Locking
2UnlockingLocking
Press upper half1 of the central lock-
ing switch.
If both doors are closed, the vehicle
locks.
Unlocking
Press lower half2 of the central lock-
ing switch.
The vehicle unlocks.
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
SmartKey with KEYLESS-GO*
(if so equipped), it will not unlock using
the central locking switch.
If the vehicle was previously locked
with the central locking switch
while in the global remote control
mode, the complete vehicle is un-
locked 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 109 of 394
109 Controls in detail
Lighting
Interior lighting
The controls are located in the overhead
control panel.
1Rear interior lights
2Right front reading lamp
3Rocker switch: Automatic control off
4Rocker switch: Automatic control on
5Rocker switch: Front interior lights on
6Left front reading lampAutomatic control
Activating
Press the rocker switch to the center
position 4.
Interior lamps are switched on in dark-
ness, when
the vehicle is unlocked
a door is opened
The interior lamps are switched off after a
set time1 (page 132).Deactivating
Press the rocker switch to the right po-
sition 3.
The interior lighting remains switched
off in darkness, even when you
unlock the vehicle
open a door
1Only after the key has been removed from the
starter switch is the interior lighting switched on
for a set time.
iIf the door remains open, the interior
lamps switch off automatically after ap-
proximately five minutes.
Page 153 of 394

153 Controls in detail
Good visibility
Rear window sunshade*
The switch is located in the center console.
Turn the key to starter switch position
1 or 2. Vehicles with KEYLESS-GO*:
press the start/stop button once or
twice.
Press the switch briefly at 1 to raise the
sunshade.
Press the switch briefly at 2 to lower
the sunshade.
Always raise the sunshade fully for its sup-
port against the window frame.
Warning!
G
When operating the rear window sunshade,
ma ke s ur e th a t th er e is no da nge r o f an y o ne
being harmed by the raising or lowering pro-
cedure.
The raising or lowering procedure can be im-
mediately halted by briefly pressing the up-
per or lower half of the switch.
Briefly press upper or lower half of the
switch again to raise or lower the rear win-
dow sunshade completely.
Warning!
G
When leaving the vehicle, always remove the
SmartKey from starter switch, and lock your
vehicle. Do not leave children unattended in
the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment may cause an accident and⁄or serious
personal injury.