Page 78 of 314
Antitheft systems
>> Safety.
77 Electronic immobilizer
The electronic immobilizer prevents unautho
rized persons from starting your vehicle.
When leaving the vehicle, always take the key
with you and lock the vehicle. The engine can
be started by anyone with a key that is left
inside the vehicle.
> Activating: Remove the key from the starter
switch.
> Deactivating: Turn the key to starter switch
position1.
Antitheft warning system*Once the antitheft warning system has been
armed, a visual and audible alarm is triggered
when
• someone opens a door or the tailgate,
• someone enters the vehicle’s interior,
• there is motion inside the vehicle,
• someone attempts to raise the vehicle.
The alarm will also be triggered when
unlocking and opening the driver’s door with
the key.i
The alarm will stay on, even if the driver’s
door is immediately closed. For canceling the
alarm, see (
page 78).Close the windows and the tailgate before
arming the alarm system. Make sure that there
are no moving objects inside the vehicle.
The switch is located in the upper center
console.
1
Warning system indicator lampP54.25536331
Page 79 of 314
Antitheft systems
78
>> Safety. >Arming: Lock the vehicle using the remote
control.
Warning system indicator lamp
1 flashes
rapidly.
The antitheft warning system arms after
about 25 seconds.
When the antitheft warning system is
armed, warning system indicator lamp
1
flashes about every three seconds.
i
You can also arm the antitheft warning
system by locking the vehicle without using
the remote control (
page 250).
>Disarming: Unlock the vehicle using the
remote control.
The antitheft warning system is disarmed.
Warning system indicator lamp
1 stops
flashing.
Canceling the alarm
>Insert the key in the starter switch.
>Turn Starter switch in Position 1
(
page 91).
or
>Press button
©
or
ª
on the key.
Towaway alarm* and interior mo
tion sensor*Once the antitheft warning system has been
armed, a visual and audible alarm is triggered
when someone attempts to raise the vehicle or
if motion is detected inside the vehicle.
>Arming: Lock the vehicle using the remote
control.
The towaway protection and the interior
motion sensor arm after about 25 seconds.
>Disarming: Unlock the vehicle using the
remote control.
The towaway protection and the interior
motion sensor are disarmed.Canceling the alarm
>Insert the key in the starter switch.
>Turn Starter switch in Position 1
(
page 91).
or
>Press button
©
or
ª
on the key.
Switching off towaway protection and
interior motion sensor
Deactivate the towaway protection and the
interior motion sensor when locking the vehi
cle and
• transporting the vehicle,
• board, e.g. a ferry or auto train,
• there are people or animals in the vehicle,
• the side windows remain open.
This prevents any false alarm.
Page 80 of 314
Antitheft systems
>> Safety.
79
The switch is located in the upper center
console.1
Towaway protection/interior motion sen
sor switch
2
Indicator lamp
>Remove the key from the starter switch.
>Press switch
1 within 60 seconds.
Indicator lamp2 comes on.
>Exit the vehicle.
>Lock the vehicle using the remote control.
i
The towaway protection and the interior
motion sensor remain switched off until you
lock your vehicle again.
P54.25545631
Page 83 of 314
Opening and closing
82
>> Controls.
KeyKey with remote control1
ª
Lock button
2
»
Opening the retractable soft top
1/
unlocking the upper tailgate
2
3
 Panic button (
page 71)
4
©
Unlock buttonThe remote control centrally locks and
unlocks:
• the driver door
• the fuel filler flap
• the passenger door
• the upper tailgate
!
To prevent possible malfunction, avoid
exposing the remote control to high levels of
electromagnetic radiation.
!
If you can no longer lock or unlock the
vehicle with the remote control, the batteries
in the remote control are discharged, or the
remote control is malfunctioning.
>Check the batteries in the remote control
and replace them if necessary
(page 252).
>If you do not have a spare transmitter
battery at hand, use the key to open the
driver door and the fuel filler flap
(page 250).
If the remote control is malfunctioning,
contact an authorized smart center.
1 cabrio only.
2 coupé only.
P80.35231331
G
Warning!
When leaving the vehicle, always remove
the key 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. It
is possible for children to open a locked
door from the inside, which could result
in an accident and/or serious personal
injury.
Page 84 of 314
Opening and closing
>> Controls.
83
i
USA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the follow
ing two conditions:
(1) This device may not cause harmful inter
ference, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
i
Canada only:
This device complies with RSS210 of Industry
Canada. Operation is subject to the following
two conditions:
(1) This device may not cause interference,
and
(2) this device must accept any interference
received, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
!
The remote control has an operating range
of approximately 50 ft (15 meters).
This can fluctuate greatly as a consequence of
local conditions (reflective or absorbing
objects) and interference emitted by other
radiotransmission systems. Similarly, the
operating range fluctuates in line with the
direction from which the remote control is
activated.
To prevent theft, however, it is advisable to
only unlock the vehicle when you are in close
proximity to it.
Locking and unlocking from the
outside> Selective unlocking: Press button
©
on
the key once. All turn signal lamps flash
once.
The antitheft warning system* is disarmed.
The driver’s door and the fuel filler flap are
unlocked.
•Global unlocking: Press button
©
on the
key twice. All turn signal lamps flash once
again. The passenger door and the tailgate
are unlocked in addition to the driver’s
door and the fuel filler flap.
> Global locking: Press button
ª
on the key.
With the doors, the tailgate(s), and the fuel
filler flap closed the turn signal lamps flash
three times.
The antitheft warning system* is armed.
The indicator lamp on the central locking
switch (
page 85) flashes.
The interior and exterior
1 lamps come on
and then go out again after 12 seconds.
1 Vehicles with rainlight sensor* only.
Page 85 of 314
Opening and closing
84
>> Controls.
Automatic lockingAutorelock function
The vehicle will lock again automatically within
approximately 60 seconds of unlocking with
the key if neither the driver’s nor passenger
door is opened.!
To prevent an inadvertent lockout, never
leave your key lying in the vehicle.
Drive lock function
The vehicle locks automatically when the igni
tion is switched on and the wheels are turning
at vehicle speeds of approximately 8 mph
(14 km/h) or more. The drive lock function is
enabled at the factory.>Switching on: Switch off the ignition.
>Press the central locking switch
(
page 85) and button
ª
on the key
simultaneously.
An acoustic signal sounds.
The drive lock function is switched on.
>Switching off:
Switch off the ignition.
>Press the central unlocking switch
(
page 85) and button
©
on the key
simultaneously.
An acoustic signal sounds.
The drive lock function is switched off.
Locking and unlocking from the
insideYou can lock and unlock the vehicle from
inside using the central locking or unlocking
switch. This can be useful, for example, if you
want to unlock the passenger door from inside
or lock the vehicle before starting to drive.G
Warning!
When leaving the vehicle, always remove
the key 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.
A child’s unsupervised access to a vehi
cle could result in an accident and/or
serious personal injury.
Page 87 of 314
Opening and closing
86
>> Controls.
Opening the upper tailgate on the
coupé1
Handle recess>Press button
©
on the key twice.
>Press and hold button
»
on the key for ap
proximately two seconds.
or
>Pull the release handle in handle recess
1
of the lower tailgate.
The upper tailgate is unlocked.
>Swivel the upper tailgate upwards to open.
Observe information on loading the vehicle
(
page 155).
For information on vehicle weights, see
(page 301).
Opening the lower tailgate on the
coupé
G
Warning!
Make sure the tailgate is closed when the
engine is running and while driving.
Among other dangers, deadly carbon
monoxide (CO) gases may enter vehicle
interior resulting in unconsciousness
and death.
G
Warning!
High outside temperature, stopandgo
traffic, driving on long uphill grades, or
driving at high engine speed may in
crease the temperature in the engine
compartment. Therefore the area around
the air slots in the rear apron may be hot.
Let the engine cool off before touching
this area to prevent burns.
Page 89 of 314
Opening and closing
88
>> Controls. >Swivel the lower tailgate upwards to close.
Allow the two release levers to engage
audibly.
>Swivel the upper tailgate downwards to
close.
Opening and closing the retract
able soft top
1
You can fully open the retractable soft top
with the key.
Key with remote control1
ª
Lock button
2
»
Opening the retractable soft top
3
 Panic button
4
©
Unlock button> Opening: Press button
»
on the key for
approximately two seconds.
The retractable soft top opens.
i
Pressing symbols
©, ª
or
»
on the
key with remote control while opening the re
tractable soft top will interrupt the opening
procedure.
>Closing: Press symbol± on the retract
able soft top switch (
page 114).
i
The remote control has an operating range
of approximately 50 ft (15 meters). Take care
that you do not open your vehicle’s retract
able soft top inadvertently.
G
Warning!
When leaving the vehicle, always remove
the key 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.
A child’s unsupervised access to a vehi
cle could result in an accident and/or
serious personal injury.
1 cabrio only.
P80.35231331
G
Warning!
When closing the retractable soft top,
make sure that there is no danger of
anyone being harmed by the closing
procedure.
