109 Controls in detail
Locking and unlocking
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so when you pull the driver’s
outside door handle, only the driver’s door
and the fuel filler flap unlocks.
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds un-
til battery check lamp5 (
page 105)
flashes twice.
The SmartKey with KEYLESS-GO will
then function as follows:
Unlocking driver’s door and fuel filler
flap
Pull the driver’s outside door handle.
All turn signal lamps flash once.
An acoustic signal sounds once.
The locking knob in the driver’s
door moves up.
The anti-theft alarm system is dis-
armed.Global unlocking
Pull any outside door handle other than
the driver’s outside door handle.
All turn signal lamps flash once.
An acoustic signal sounds 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 62).
With the trunk and all doors closed:
All turn signal lamps flash three
times.
An acoustic signal sounds 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 5 seconds un-
til battery check lamp5 (
page 105)
flashes twice.
Global locking using the KEYLESS-GO*
lock button on the trunk lid*
Depending on production date, your vehi-
cle may be equipped with the KEYLESS-GO
lock button on trunk lid.
1Lock button on trunk lid
110 Controls in detailLocking and unlocking
Press lock button1 on the trunk lid.
With the trunk and all doors closed:
All turn signal lamps flash three
times.
An acoustic signal sounds three
times.
The locking knobs in the doors
move down.
The anti-theft alarm system is
armed.Checking batteries in the SmartKey or
SmartKey with KEYLESS-GO*
Press button‹ orŒ.
The battery check lamp (
page 102)
or (
page 105) comes on briefly to in-
dicate that the SmartKey or SmartKey
with KEYLESS-GO batteries are in or-
der.L o s s o f t h e S m a r t K e y o r S m a r t K e y w i t h
KEYLESS-GO*
If you lose your SmartKey, SmartKey with
KEYLESS-GO or mechanical key, you
should do the following:
Have the SmartKey or SmartKey with
KEYLESS-GO deactivated by an autho-
rized Mercedes-Benz Center.
Report the loss of the SmartKey,
SmartKey with KEYLESS-GO or the me-
chanical key 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.
i
To prevent a possible inadvertent lockout,
the trunk will open automatically if a SmartKey
with KEYLESS-GO is recognized inside the vehi-
cle or in the trunk.
i
You can also lock the vehicle using the lock
button on an outside door handle (
page 62) or,
vehicles with trunk opening/closing system*,
KEYLESS-GO locking/ closing switch
(
page 116).
!
If the battery check lamp does not come on
briefly during check, the SmartKey or SmartKey
with KEYLESS-GO batteries are discharged.
Replace the batteries (
page 402).
You can obtain the required batteries at any au-
thorized Mercedes-Benz Center.
i
If the batteries are checked within signal
range of the vehicle, pressing button‹ or
Œ will lock or unlock the vehicle accordingly.
113 Controls in detail
Locking and unlocking
Vehicles with trunk opening/closing
system*1Remote trunk opening/closing* switch
Pull switch1 until the trunk begins to
open.
The trunk opens. The indicator lamp in
the switch comes on and remains lit
until the trunk is closed.
Closing the trunk Closing trunk from the outside
manually
Depending on production date your vehicle
is equipped with two or three handles.
1Handles
Lower trunk lid by pulling firmly on
handles1.
Close trunk with hands placed flat on
trunk lid.
i
If the trunk does not open, it is still locked
separately (
page 117).
!
Vehicles with trunk opening/closing sys-
tem*: To stop the opening procedure, press or
pull the remote trunk opening/closing* switch.
Warning!
G
Only drive with the trunk closed as, among
other dangers such as blocked visibility, ex-
haust fumes may enter the vehicle interior.i
Do not place the SmartKey in the open
trunk. You may lock yourself out.
i
If the vehicle was previously centrally
locked, the trunk will lock automatically after
closing it. All turn signal lamps flash three times
to confirm locking.
Vehicles with KEYLESS-GO*: To prevent a possi-
ble inadvertent lockout, the trunk will open auto-
matically if a SmartKey with KEYLESS-GO is
recognized inside the vehicle or in the trunk.
The vehicle is only locked when the turn signals
flash three times. If you are carrying a second
SmartKey with KEYLESS-GO with you, you can
still lock the vehicle.
116 Controls in detailLocking and unlockingClosing trunk and locking vehicle from
outside (vehicles with KEYLESS-GO*)
In vehicles with trunk opening/closing sys-
tem* and KEYLESS-GO, you can close the
trunk and lock the vehicle simultaneously
from the outside using the KEYLESS-GO
locking/closing switch.
1KEYLESS-GO locking/closing switch
Make sure you have the SmartKey with
KEYLESS-GO with you.
Press switch1 briefly.
With all doors closed:
The locking knobs in the doors
move down.
The trunk starts to close automati-
cally.
All turn signal lamps flash three
times to confirm locking once the
trunk has closed completely.
An acoustic signal sounds three
times.
The anti-theft alarm system is
armed.
Trunk emergency release
With the emergency release button, the
trunk can be opened from inside the trunk.
1Emergency release button
Briefly press emergency release
button1.
The trunk unlocks and the trunk opens.
i
If the trunk lid comes into contact with an
object while closing (e.g. luggage that has been
piled too high) in the upper motion sequence, the
closing procedure is stopped and the trunk re-
opens slightly.
i
The emergency release button unlocks and
opens the trunk while the vehicle is standing still
or in motion.
128 Controls in detailLightingFor information on how to switch on the
headlamps and use the turn signals, see
“Switching on headlamps” (
page 55)
and see “Turn signals” (
page 55).
Exterior lamp switchExterior lamp switch
i
If you drive in countries where vehicles drive
on the other side of the road than the country
where the vehicle is registered, you must have
the headlamps modified for symmetrical low
beams. Relevant information can be obtained at
your authorized Mercedes-Benz Center.
i
Vehicles equipped with active Bi-Xenon*
headlamps: The active Bi-Xenon headlamps
monitor your steering angle and driving speed,
then automatically shift their beams to either
side to better follow the curvature of the road
ahead, increasing usable illumination over con-
ventional headlamps.
1‚
Standing lamps, left (turn left two
stops)
2ˆ
Standing lamps, right (turn left
one stop)
3M
Off
Daytime running lamp mode
(page 130)
4U
Automatic headlamp mode
Daytime running lamp mode
(page 130)
5C
Parking lamps (also side marker
lamps, tail lamps, license plate
lamps, instrument panel lamps)
6B
Low beam headlamps or high
beam headlamps when the com-
bination switch is pushed for-
ward. The tail lamps, license
plate lamps, side marker lamps,
parking lamps and instrument
panel lamps also come on.
7‡
Front fog lamps
8†
Rear fog lamp
i
If you hear a warning signal you have forgot-
ten to switch off the headlamps before opening
the driver’s door.
In addition the message
Switch off lights
appears in the multifunction display.
Switch off the headlamps.
133 Controls in detail
Lighting
Driving forward
Switching on corner-illuminating front
fog lamps
Switch on the left or right turn signal
(page 55), depending on whether
you are turning left or right.
The respective front fog lamp comes on
and illuminates the area in the direc-
tion into which you are turning.
or
Turn steering wheel in desired direc-
tion.
The front fog lamp on the side of your
steering direction comes on.Switching off corner-illuminating front
fog lamps
The combination switch for the turn signal
resets automatically after major steering
wheel movements. This will switch off the
corner-illuminating front fog lamps if they
where activated 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 corner-illu-
minating front fog lamps can be switched
off by returning the combination switch to
its original position.
i
If you are driving faster than 25 mph
(40 km/h) or have the front fog lamps switched
on, the corner-illuminating function is not avail-
able.
i
If you have switched on the turn signal for
one side but turn the steering wheel in the other
direction, the corner-illuminating lamp lights up
on the side of the turn signal.
The corner-illuminating front fog lamp remains lit
for a maximum of three minutes. Afterward, it
goes out even if the turn signal is still switched
on.
i
The corner-illuminating front fog lamps tem-
porarily come on on both sides of the vehicle if
you turn the steering wheel in one direction and
then in the other direction shortly thereafter.
i
The corner-illuminating front fog lamps will
come on automatically depending on the steer-
ing angle, even if you did not switch on either
turn signal. If the corner-illuminating front fog
lamps came on automatically, they will also go
out automatically depending on the steering
angle.
i
There may be a brief delay before the cor-
ner-illuminating front fog lamps switch off.
134 Controls in detailLightingDriving in reverse
Switching on corner-illuminating front
fog lamps
Place the gear selector lever in
positionR.
The front fog lamp opposite to your
steering direction comes on.
Switching off corner-illuminating front
fog lamps
Place the gear selector lever out of
positionR.
The respective front fog lamp goes out.
Hazard warning flasher
The hazard warning flasher can be
switched on at all times, even with the
SmartKey removed from the starter switch
or with the SmartKey with KEYLESS-GO*
removed from the vehicle.
The hazard warning flasher switches on
automatically when an air bag deploys.
The hazard warning flasher switch is locat-
ed on the center console.
1Hazard warning flasher switchSwitching on hazard warning flasher
Press the hazard warning flasher
switch1.
All turn signals are flashing.
Switching off hazard warning flasher
Press hazard warning flasher switch1
again.
i
With the hazard warning flasher activated
and the combination switch set for either left or
right turn, only the respective left or right turn
signals will operate when the ignition is switched
on.
i
If the hazard warning flasher has been acti-
vated automatically, press hazard warning flash-
er switch1 once to switch off.
226 Controls in detailDriving systemsSetting stored speed
(“Resume” function)
Briefly tip the cruise control lever in the
direction of arrow4 (
page 224).
Distronic is activated and set to the last
stored speed.
Remove your foot from the accelerator
pedal.Deactivating Distronic
There are several ways to deactivate the
Distronic system:
Briefly tip the cruise control lever in the
direction of arrow3 (
page 224).
or
Step on the brake pedal.
Distronic will be deactivated. The last
speed set will be stored in memory.Distronic deactivates automatically when:
you set the parking brake
you drive slower than 20 mph
(30 km/h)
the ESP
® is active (
page 94) or you
deactivate the ESP
®
you move the gear selector lever into
positionN
A signal will sound. The
DISTRONIC Off
message appears in the multifunction
display for approximately 5 seconds.
Warning!
G
The speed stored in memory should only be
set again if prevailing road conditions per-
mit. Possible acceleration or deceleration
differences arising from returning to the pre-
set speed could cause an accident and/or
serious injury to you and others.
i
The following message will appear in the
multifunction display for approximately
5seconds:
DISTRONIC Off
.
The last stored speed is deleted when you turn
off the engine.
Warning!
G
Distronic switches off and releases the
brakes when the vehicle decelerates below
the minimum speed of approximately
20 mph (30 km/h) by operation of the
system. At that time the driver must apply
the brakes in order to reduce vehicle speed
further or bring it to a stop.