Page 59 of 464

59 Getting started
Parking and locking
Exit the vehicle and close all doors.
Press the lock button‹ on the
SmartKey (
page 34).
With the hood, trunk and all doors
closed, all turn signal lamps flash three
times. The locking knobs on the doors
move down.
The anti-theft alarm system is armed
now (
page 85).
For more information, see “Locking and
unlocking” (
page 90).
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.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.
iWithout the antenna on the left rear
side of the vehicle installed, the
SmartKey signaling range is consider-
ably reduced. Hold the SmartKey in
close proximity towards the antenna
base when locking or unlocking the
vehicle.
Warning!
G
When leaving the vehicle, always remove the
SmartKey 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. Unsuper-
vised use of vehicle equipment may cause
an accident and/or serious personal injury.
Page 86 of 464

86 Safety and SecurityAnti-theft systemsArming the alarm system
Lock the vehicle with the SmartKey.
The turn signal lamps flash three times
to indicate that the alarm system is ac-
tivated.
After approximately 15 seconds the in-
dicator lamp in the central locking
switch starts flashing (
page 98).Disarming the alarm system
Unlock your vehicle with the SmartKey.
The turn signal lamps flash once to in-
dicate that the alarm system is deacti-
vated.
Canceling the alarm
To cancel the alarm:
Press theŒ or‹button on the
SmartKey.
or
Insert the SmartKey in the starter
switch.
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.
iIf the turn signal lamps do not flash
three times, one of the following ele-
ments may not be properly closed:
a door
the trunk lid
the fuel filler flap
the glove box
the storage compartment under the
armrest
Close the respective element and lock
the 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
30 seconds, a call to the Response
Center is initiated automatically by the
Tele Aid system (
page 257), provided
Tele Aid service was subscribed to and
properly activated, and that necessary
cellular service and GPS coverage are
available (
page 257).
Page 92 of 464

92 Controls in detailLocking and unlockingFactory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once.
The lock buttons on the doors move up.
The anti-theft alarm system is dis-
armed (
page 85).
The vehicle will lock again automatically
and reactivate the anti-theft alarm system
within approximately 40 seconds of un-
locking if:
neither door nor trunk is opened
the SmartKey is not inserted in the
starter switch
the central locking switch is not
activatedGlobal locking
Press button‹.
With the hood, trunk and all doors
closed, all turn signal lamps flash three
times. The locking knobs on the doors
move down.
The anti-theft alarm system is armed
now (
page 85).Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that press-
ing buttonŒ only unlocks the driver’s
door, the storage compartment under the
armrest, the glove box, and the fuel filler
flap.
Press and hold buttonsŒand‹
simultaneously for about six seconds.
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 lock button on the driver’s door
move up. The anti-theft alarm system is
disarmed (
page 85).
iIf the turn signal lamps do not flash
three times, one of the following ele-
ments may not be properly closed:
a door
the trunk lid
the fuel filler flap
the glove box
the storage compartment under the
armrest
Close the respective element and lock
the vehicle again.
Page 93 of 464

93 Controls in detail
Locking and unlocking
Global unlocking
Press buttonŒ twice.
All turn signal lamps flash once.
The lock buttons on the doors move up.
The anti-theft alarm system is dis-
armed (
page 85).
Global locking
Press button‹.
With the hood, trunk and all doors
closed, all turn signal lamps flash three
times. The locking knobs on the doors
move down.
The anti-theft alarm system is armed
now (
page 85).
Restoring to factory setting
Press and hold buttonsŒand‹
simultaneously for about six seconds.
Battery check lamp5 flashes twice.
The SmartKey is set to the factory set-
ting again.Unlocking the trunk lid
You can unlock and open the trunk lid sep-
arately.
Press and hold buttonŠ on the
SmartKey until the trunk lid unlocks.
For opening the trunk, see “Opening
the trunk” (
page 95).
Checking the batteries
Press button‹orŒ.
Battery check lamp5 comes on brief-
ly to indicate that the SmartKey batter-
ies are in order.
!If you can no longer lock or unlock the
vehicle with the SmartKey, then the
batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing, or the vehicle battery is drained.
Check the batteries in the
SmartKey and replace them if nec-
essary (
page 378).
Use the mechanical key to lock/un-
lock the driver’s door (
page 374).
Use the mechanical key to lock/un-
lock the trunk lid as required
(page 375).
Have the vehicle battery and the
battery connections checked
(page 396).
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz
Center.
iIf battery check lamp5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
page 378).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
Page 96 of 464
96 Controls in detailLocking and unlocking
Trunk lid emergency release
The emergency release button is located
on the inside of the trunk lid.
1Emergency release button
Briefly press emergency release
button1.
The trunk lid unlocks and opens
slightly.
Push up the trunk lid to fully open.Illumination of the emergency release but-
ton:
The button flashes for 30 minutes after
opening the trunk.
The button flashes for 60 minutes after
closing the trunk.
iDo not place the SmartKey in the open
trunk. You may lock yourself out.iIf the vehicle was previously centrally
locked, the trunk lid will lock automati-
cally when closed. The turn signal
lamps will flash three times to confirm
locking.
iThe emergency release button unlocks
the trunk while the vehicle is standing
still or in motion.iThe emergency release button does
not unlock the trunk if the vehicle bat-
tery is discharged or disconnected.
Page 106 of 464

106 Controls in detailLightingFor information on how to switch on the
headlamps and use the turn signals, see
“Switching on headlamps” (
page 52)
and “Turn signals” (
page 52).
Exterior lamp switch
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.Exterior lamp switch
MOff
Daytime running lamp mode
(
page 108)
UAutomatic headlamp mode
Daytime running lamp mode
(page 108)
CParking lamps (also tail lamps, li-
cense plate lamps, side marker
lamps, instrument panel lamps)
BLow beam headlamps (or high
beam headlamps when the combi-
nation switch is pushed forward)
and parking lamps
ˆStanding lamps, right (turn left one
stop)
‚Standing lamps, left (turn left two
stops)
CIndicator lamp for parking lamps
‡Indicator lamp for front fog lamps
†Indicator lamp for rear fog lamp
iIf you drive in countries where vehicles
drive on the other side of the road than
the country in which the vehicle is reg-
istered, you must have the headlamps
modified for symmetrical low beams.
Relevant information can be obtained
at your authorized Mercedes-Benz
Center.
Page 111 of 464

111 Controls in detail
Lighting
Cornering fog lamps* (SLK 350 with
Bi-Xenon* headlamps and without Sport Package*)
The cornering fog lamps improve illumina-
tion of the road into which you are turning.
Cornering fog lamps will operate with the
engine running and with
the exterior lamp switch in
positionB (
page 106)
or
the exterior lamp switch in
positionU (
page 106)
or
the daytime running lamp mode
activated (
page 108)Driving forward
Switching on cornering fog lamps
Depending on whether you are turning
left or right, switch on the left or right
turn signal (
page 52).
The respective front fog lamp comes on
and illuminates the road into which you
are turning.
Switching off cornering fog lamps
The combination switch for the turn signal
resets automatically after major steering
wheel movements. This will switch off the cornering fog lamps if they where activat-
ed by switching on the left or right turn
signal.
If the turn signal should stay on after mak-
ing the turn, the turn signal and cornering
fog lamp can be switched off by returning
the combination switch to its original
position.
Driving rearward
Switching on cornering fog lamps
Place the gearshift lever (gear selector
lever*) in positionR.
The inverse front fog lamp comes on
automatically depending on the
steering direction and steering angle.
Switching off cornering fog lamps
Place the gearshift lever (gear selector
lever*) out of positionR.
The respective front fog lamp goes out.
iCornering fog lamps will only come on
in low ambient lighting conditions.
The cornering fog lamps function is not
available at a vehicle speed above
25 mph (40 km/h).
iThe cornering fog lamps will come on
automatically depending on the
steering angle, even if you did not
switch on either turn signal.
If the cornering fog lamps came on
automatically, they will also go out au-
tomatically depending on the steering
angle.
Page 112 of 464
112 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.
The hazard warning flasher switches on au-
tomatically when an air bag deploys.
The hazard warning flasher switch is locat-
ed on the upper part of the center console.
1Hazard warning flasher switchSwitching on hazard warning flasher
Press hazard warning flasher
switch1.
All turn signal lamps are flashing.Switching off hazard warning flasher
Press hazard warning flasher switch1
again.
iWith the hazard warning flasher acti-
vated and the combination switch set
for either left or right turn, only the re-
spective turn signals will operate when
the SmartKey is in the starter switch
position1or2.
iIf the hazard warning flasher has been
activated automatically, press hazard
warning flasher switch1 once to
switch it off.