53 Getting started
Driving
Push combination switch in the direc-
tion of arrow1.
The high beam headlamps are switched
on.
The high beam headlamp
indicatorA in the tachometer
comes on.
For more information, see “Lighting”
(
page 125).
Turn signals
The combination switch is located on the
left of the steering column.Combination switch1Turn signals, right
2Turn signals, left
Press the combination switch up1 or
down2.
The corresponding turn signal indicator
lampL orK flashes in the in-
strument cluster (
page 24).
The combination switch resets automati-
cally after major steering wheel move-
ments.
iTo signal minor directional changes,
e.g. passing or changing lanes, move
combination switch to point of resis-
tance only and release. The turn signal
flashes three times.
59 Getting started
Parking and locking
Turning off with the SmartKey
Turn the SmartKey in the starter switch
(page 34) to position0 and remove
it.
The immobilizer is activated.Turning off the engine with
KEYLESS-GO*
Place the gear selector lever in
positionP.
Press the KEYLESS-GO start/stop but-
ton (
page 35) to shut off the engine.
With the driver’s door closed, the start-
er switch is now in position1. With the
driver’s door opened, the starter switch
is set to position0, same as SmartKey
removed from starter switch
(
page 34).
Releasing seat belts
Press the seat belt release button
(page 47).
Allow the retractor to completely re-
wind the seat belt by guiding the latch
plate.
iThe SmartKey can only be removed
from the starter switch with the gear
selector lever in positionP.iWith the SmartKey removed and the
driver’s door open, a warning sounds if
the vehicle’s exterior lamps are not
switched off.
iIf you hear a warning signal, you have
either
forgotten to turn off the lights be-
fore opening the driver’s door
or
tried to turn off the engine while the
gear selector lever is not inP.
Turn off the lights or place the gear
selector lever inP.
!Make sure the seat belt retracts fully so
that the seat belt and/or latch plate
cannot get caught or pinched in the
door or in the seat mechanism. This
can damage the seat belt and impair
the effectiveness of the seat belt,
and/or cause damage to the door
and/or door trim panel. Such damage
is not covered by the Mercedes-Benz
Limited Warranty.
Damaged seat belts must be replaced.
Contact an authorized Mercedes-Benz
Center.
60 Getting startedParking and lockingLocking
Locking with the SmartKey
After exiting the vehicle, press the lock
button‹ on the SmartKey
(page 32).
With the trunk and all doors closed, all
turn signal lamps flash three times. The
locking knobs in the doors move down.
The anti-theft alarm system is armed.
For more information, see “Locking and
unlocking” (
page 90).Locking with KEYLESS-GO*
1Lock button
After exiting the vehicle, take the
SmartKey with KEYLESS-GO with you
and press lock button1 on an outside
door handle or on the trunk lid
(page 99).
With the trunk and all doors closed, all
turn signal lamps flash three times. The
locking knobs in the doors move down.
The anti-theft alarm system is armed.
For more information, see “Locking and
unlocking” (
page 94).
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the door
openings when closing the doors. Be espe-
cially careful when small children are
around.
Before closing doors, make sure there is no
possibility of someone getting caught in a
door during closing.Warning!
G
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident
and/or serious personal injury.
iOpening a door causes the windows on
that side of the car to open slightly.
They will return to the up position when
the door is closed.
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 with the SmartKey or
KEYLESS-GO*.
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 with the SmartKey
or the KEYLESS-GO*.
The turn signal lamps flash once to in-
dicate that the alarm system is dis-
armed.
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 241) provided
Tele Aid service was subscribed 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
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.
92 Controls in detailLocking and unlockingFactory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is dis-
armed.
The vehicle will lock again automatically
and reactivate the anti-theft alarm system
within approximately 40 seconds of un-
locking if:
neither a door nor the trunk is opened
the SmartKey is not inserted in the
starter switch
the central locking switch is not acti-
vatedGlobal locking
Press button‹.
With the trunk and all doors closed, all
turn signal lamps flash three times. The
locking knobs in the doors move down.
The anti-theft alarm system is armed.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that
pressingŒ only unlocks the driver’s
door and the fuel filler flap.
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds un-
til battery check lamp5 flashes twice.
The SmartKey will then function as fol-
lows:Unlocking driver’s door and fuel filler
flap
Press buttonŒ once.
All turn signal lamps flash once. The
locking knob in the driver’s door moves
up. The anti-theft alarm system is dis-
armed.
Global unlocking
Press buttonŒ twice.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is dis-
armed.
Global locking
Press button‹.
With the trunk and all doors closed, all
turn signal lamps flash three times. The
locking knobs in the doors move down.
The anti-theft alarm system is armed.
97 Controls in detail
Locking and unlocking
If the SmartKey with KEYLESS-GO is re-
moved from the vehicle while the igni-
tion is switched on (e.g. if passenger
exits the vehicle with the SmartKey
with KEYLESS-GO), the message KEY
NOT RECOGNIZEDwill appear in the multifunction display
while driving off.
Find the SmartKey or change its
present location immediately
(e.g. place it on the front passenger
seat or insert it in shirt pocket).
Remember that the engine can be
started by anyone with a SmartKey
with KEYLESS-GO that is left inside the
vehicle. If you leave the SmartKey with
KEYLESS-GO behind when exiting and
locking the vehicle, the message KEY
STILL IN VEHICLEwill appear in the multifunction display.Factory setting
Global unlocking
Grasp an outside door handle.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is dis-
armed.
The vehicle will lock again automatically
and reactivate the anti-theft alarm system
within approximately 40 seconds of un-
locking if:
neither a door nor the trunk is opened
the central locking switch is not acti-
vatedGlobal locking
Press lock button on an outside door
handle (
page 60) or trunk lid
(
page 99).
With the trunk and all doors closed, all
turn signal lamps flash three times. The
locking knobs in the doors move down.
The anti-theft alarm system is armed.
iIf the vehicle has been parked for more
than 72 hours, you must pull an outside
door handle in order to activate the
KEYLESS-GO function.
iThe vehicle could inadvertently be un-
locked if the SmartKey with
KEYLESS-GO is within 3 ft. (1 m) of the
vehicle and:
an outside door handle is splashed
with water, or
you attempt to clean an outside
door handle.
98 Controls in detailLocking and unlockingSelective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so when you, grasp the driv-
er’s outside door handle only the driver’s
door and the fuel filler flap unlocks.
Press and hold buttonsŒ and‹
simultaneously for about 6 seconds un-
til battery check lamp5 flashes twice.
The SmartKey with KEYLESS-GO will
then function as follows:
Unlocking driver’s door and fuel filler
flap
Grasp the driver’s outside door handle.
All turn signal lamps flash once. The
locking knob in the driver’s door moves
up. The anti-theft alarm system is dis-
armed.Global unlocking
Grasp the outside door handle on the
passenger side.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is dis-
armed.
Global locking
Press lock button on an outside door
handle (
page 60).
With the trunk and all doors closed, all
turn signal lamps flash three times. The
locking knobs in the doors move down.
The anti-theft alarm system is armed.Restoring to factory setting
Press and hold buttonsŒ and‹
simultaneously for about 6 seconds un-
til battery check lamp5 flashes twice.
iYou can also lock the vehicle using the
lock button on the trunk lid (
page 99)
or, vehicles with trunk opening/closing
system*, KEYLESS-GO locking/closing
switch (
page 107).
!If you can no longer lock or unlock the
vehicle with the SmartKey with
KEYLESS-GO, then the battery of the
SmartKey with KEYLESS-GO is dis-
charged, the SmartKey with
KEYLESS-GO is malfunctioning or the
vehicle battery is drained.
Check the battery of the SmartKey
with KEYLESS-GO and replace them
if necessary (
page 377).
Use the mechanical key to unlock
the driver’s door (
page 372) and
the trunk (
page 373).
Use the mechanical key to lock the
driver’s door (
page 372).
99 Controls in detail
Locking and unlocking
Checking the battery
Press button‹ orŒ.
Battery check lamp5 comes on brief-
ly to indicate that the SmartKey with
KEYLESS-GO battery is in order.Global locking using the lock button on
the trunk lid
1Lock button
Press lock button1 on the trunk lid.
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
Have the vehicle battery and the
battery connections checked
(page 391).
If the SmartKey with KEYLESS-GO is
malfunctioning, contact an authorized
Mercedes-Benz Center.
!If battery check lamp5 does not
come on briefly during check, the
SmartKey with KEYLESS-GO battery is
discharged.
Replace the battery (
page 377).
You can obtain the required battery at
any authorized Mercedes-Benz Center.
iIf the battery is checked within signal
range of the vehicle, pressing the
button‹ orŒ will lock or unlock
the vehicle accordingly.iTo prevent a possible inadvertent lock-
out, the trunk will open automatically if
a SmartKey with KEYLESS-GO is recog-
nized inside the vehicle or in the trunk.
iYou can also lock the vehicle using the
lock button on an outside door handle
(page 60) or, vehicles with trunk
opening/closing system*,
KEYLESS-GO locking/closing switch
(page 107).