100 Safety and SecurityAnti-theft systemsArming the alarm system
The indicator lamp located in the central
locking switch in the center console.
1Indicator lamp
Lock the vehicle with the SmartKey or
KEYLESS-GO*.
The turn signal lamps flash three times
to indicate that the alarm system is
armed. The indicator lamp1 begins to
flash after approximately 30 seconds
after arming the alarm system.
Disarming the alarm system
Unlock the vehicle with the SmartKey
or KEYLESS-GO*.
The turn signal lamps flash once to
indicate that the alarm system is
disarmed.Canceling the alarm
With the SmartKey
Insert the SmartKey in the starter
switch.
or
Press button Œ or ‹ on the
SmartKey.
With KEYLESS-GO*
Pull an outside door handle.
The SmartKey with KEYLESS-GO* must
be within 3 ft (1 m) of the vehicle.
or
Press the KEYLESS-GO* start/stop
button (
page 39).
The SmartKey with KEYLESS-GO* must
be inside the vehicle.
i
If the alarm stays on for more than
30 seconds, a call to the Response Center is ini-
tiated automatically by the Tele Aid system
(
page 257) provided Tele Aid service was sub-
scribed to and properly activated, and that nec-
essary cellular service and GPS coverage are
available.
i
If the turn signal lamps do not flash three
times, one of the following elements may not be
properly closed:
a door
the trunk
Close the respective element and lock the vehi-
cle again.
i
The alarm system will rearm automatically
after approximately 40 seconds if neither a door
nor the trunk was opened.
107 Controls in detail
Locking and unlocking
Important notes on using KEYLESS-GO
You can also use the SmartKey with
KEYLESS-GO like a normal SmartKey
(page 102).
You can combine KEYLESS-GO func-
tions with normal SmartKey functions
(e.g. unlocking with KEYLESS-GO and
locking with button ‹).
Always carry the SmartKey with
KEYLESS-GO with you.
Never store the SmartKey with
KEYLESS-GO together with:
Electronic items such as a cellular
phone or another SmartKey with
KEYLESS-GO
Metallic objects such as coins or
metal foil
Doing so could impair the function of
the KEYLESS-GO system.
To lock or unlock the vehicle, the
SmartKey with KEYLESS-GO must be
located outside the vehicle within ap-
proximately 3 ft (1 m) of a door or the
trunk lid.
In order to start the engine with the
SmartKey with KEYLESS-GO:
The SmartKey with KEYLESS-GO
must be located in the vehicle.
The brake pedal must be firmly de-
pressed. Do not depress the accel-
erator.
If the SmartKey with KEYLESS-GO is
positioned farther away from the vehi-
cle, the system may no longer recog-
nize the SmartKey with KEYLESS-GO.
The vehicle cannot be locked or the
engine started via the KEYLESS-GO
system.
If the SmartKey with KEYLESS-GO is re-
moved from the vehicle (e.g. if passen-
ger exits the vehicle with the SmartKey
with KEYLESS-GO)
when pressing the KEYLESS-GO
start/stop button or trying to lock
the vehicle with the outside door
handle the message
Key not rec-
ognized
appears in the multifunc-
tion display
with the engine running, the mes-
sage
Key not recognized
appears
in the multifunction display while
driving off.
Find the SmartKey with KEYLESS-GO or
change its present location immediate-
ly (e.g. place it on the front passenger
seat or insert it in shirt pocket).
If you have started the engine with the
KEYLESS-GO start/stop button, you
can turn it off again with:
the KEYLESS-GO start/stop button
the SmartKey with KEYLESS-GO in-
serted in the starter switch, when
the automatic transmission is in
positionP
135 Controls in detail
Lighting
Interior lighting in the front
The controls are located in the overhead
control panel.1Left front reading lamp on/off
2Rear interior lighting on/off
3Automatic control on/off
4Front interior lighting on/off
5Right front reading lamp on/off
6Interior lighting
7Ambient lighting
8Front reading lamps
Deactivating automatic control
Press switch3.
The interior lighting remains switched
off in darkness, even when you:
unlock the vehicle
remove the SmartKey from the
starter switch
open a door
open the trunk
Activating automatic control
Press switch3.
The interior lighting switches on in
darkness, when you:
unlock the vehicle
remove the SmartKey from the
starter switch
open a door
open the trunk
The interior lighting switches off after a
preset time (
page 164).
!
An interior lamp switched on manually does
not go out automatically.
Leaving an interior lamp switch in the ON posi-
tion for extended periods of time with the engine
turned off could result in a discharged battery.
i
The interior lighting is factory-set to auto-
matic mode.
i
If a door remains open, the interior lamps
switch off automatically after approximately
5minutes.
234 Controls in detailDriving systemsThe button is located in the lower section
of the center console.
1Vehicle level control button
2Indicator lamp
Start the engine (
page 51).
Briefly press button1 to change from
normal level to raised level. When vehi-
cle is at raised level, pressing the but-
ton will return the vehicle to normal
level.
When raised level is set, indicator
lamp2 in the button comes on.
When normal level is set, indicator
lamp2 in the button goes out.
i
At a speed of approximately above 75 mph
(120 km/h) or if the speed amounts to between
50 mph (80 km/h) and 75 mph (120 km/h) for
approximately five minutes, the setting raised is
canceled. The indicator lamp2 in the button
goes out.
If you do not drive in this speed range, the raised
level remains stored even if the SmartKey is re-
moved from the starter switch.
255 Controls in detail
Useful features
The cradle is located in the center armrest.
Open the telephone compartment un-
der center armrest (
page 244).
Inserting mobile phone in mobile phone
cradle
Once the mobile phone has been inserted
in the mobile phone cradle, calls can only
be made via the Voice Control*.
If applicable, remove the cover for the
external antenna connection from the
back of the mobile phone and store it in
a s a f e p l a c e . B e s u r e t o c o m p l y w i t h t h e
mobile phone’s operating instructions,
as well.
Example illustration1Insert the mobile phone
2Connector contact
3Mobile phone cradle
Slide the lower end of the mobile phone
into connector contact 2 on
cradle3.
Push the top of the mobile phone in di-
rection of arrow 1, until the lug on the
mobile phone release button engages.
The mobile phone is connected to the
network via the external antenna. The mobile phone is linked to the
hands-free device and the multifunc-
tion steering wheel.
The battery is charged depending on its
charge status and the position of the
SmartKey in the starter switch. The
charge procedure will be indicated in
the mobile phone’s display.
You can place or receive phone calls. You
can control other functions of the mobile
phone via the control system
(
page 168), COMAND or Voice Control*
(see separate operating instructions).
!
Do not try to remove the mobile phone along
with the cradle. You could otherwise damage the
mobile phone cradle.
i
When you take the SmartKey or SmartKey
with KEYLESS-GO* out of the starter switch, the
mobile phone remains switched on for approx.
10 minutes. If you place or receive a call during
this time, the mobile phone switches off 10 min-
utes after the call has been completed.
275 Operation
Driving instructions
Parking
TiresTreadwear indicators (TWI) are required by
law. These indicators are located in six
places on the tread circumference and
become visible at a tread depth of approx-
imately
1/16 in (1.6 mm), at which point the
tire is considered worn and should be re-
placed.
The treadwear indicator appears as a solid
band across the tread.
Warning!
G
Do not park this vehicle in areas where com-
bustible 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.
To reduce the risk of personal injury, or
damage to the vehicle drivetrain, as a result
of vehicle movement, before turning off the
engine and leaving the vehicle always:
Keep right foot on brake pedal.
Firmly depress parking brake pedal.
Move the gear selector lever to
positionP.
Slowly release brake pedal.
Slowly release brake pedal.
When parked on an incline, turn front
wheel towards the road curb.
Turn the SmartKey in the starter switch
to position0 and remove the SmartKey
from the starter switch, or press
KEYLESS-GO* start/stop button (vehi-
cles with KEYLESS-GO*).
Take the SmartKey or the SmartKey with
KEYLESS-GO* with you and lock vehicle
when leaving.
Warning!
G
If you feel a sudden significant vibration or
ride disturbance, or you suspect that possi-
ble damage to your vehicle has occurred,
you should turn on the hazard warning flash-
ers, carefully slow down, and drive with cau-
tion to an area which is a safe distance from
the road.
Inspect the tires and the vehicle underbody
for possible damage. If the vehicle or tires
appear unsafe, have the vehicle towed to
the nearest Mercedes-Benz Center or tire
dealer for repairs.
283 Operation
At the gas station
At the gas station
Refueling
The fuel filler flap is located on the
right-hand side of the vehicle towards the
rear. Locking/unlocking the vehicle with
the remote control automatically
locks/unlocks the fuel filler flap.
1Fuel filler flap
2Fuel filler cap
3Holder
Turn the engine off
by turning the SmartKey to
position0.
by pressing the KEYLESS-GO*
start/stop button. Open the driv-
er’s door (with the driver’s door
open, starter switch is now in
position0, same as SmartKey
removed from starter switch).
Warning!
G
Gasoline is highly flammable and poisonous.
It burns violently and can cause serious per-
sonal injury.
Never allow sparks, flame or smoking mate-
rials near gasoline!
Turn off the engine before refueling.
Whenever you are around gasoline, avoid in-
haling fumes and skin or clothing contact,
extinguish all smoking materials.
Direct skin contact with fuels and the inha-
lation of fuel vapors can damage your
health.
!
Damage resulting from the use of non ap-
proved fuels or fuel additives or resulting from
mixing gasoline with diesel fuel is not covered by
the Mercedes-Benz Limited Warranty.
400 Practical hintsOpening/closing in an emergencyPower tilt/sliding sunroof
You can open or close the tilt/sliding sun-
roof manually should an electrical malfunc-
tion occur.
The tilt/sliding sunroof drive is located be-
hind lens1 of the interior overhead light.
1Cover
Remove the SmartKey from the starter
switch.
Press on cover1 in direction of the
arrow to release it.2Hole
3Crank
Take crank3 out of the glove box.
Insert crank3 through hole2.
Turn crank3 clockwise to:
slide roof panel/sunroof closed
raise roof panel/sunroof at the rear
Turn crank3 counterclockwise to:
slide roof panel/sunroof open
lower roof panel/sunroof at the
rear
i
Turn crank3 slowly and smoothly.
The tilt/sliding sunroof must be synchronized af-
ter being operated manually (
page 214).