33 Getting started
Unlocking
Unlocking with KEYLESS-GO*
With KEYLESS-GO you can open and start
your vehicle without using the buttons on
the SmartKey.
Grasp the door handle.
All turn signal lamps flash once. The ve-
hicle unlocks. The locking knobs in the
doors move up. The anti-theft alarm
system is disarmed.
Get in the vehicle.
For more information, see “SmartKey with
KEYLESS-GO*” (
page 96).
iTo unlock the vehicle, the SmartKey
with KEYLESS-GO must be outside the
vehicle, no further than approx. 3 feet
(1 meter) away from the door.
Warning!
G
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO* 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.
iIf the vehicle has been parked for more
than 72 hours, you must pull the out-
side door handle in order to activate
the KEYLESS-GO function.
42 Getting startedAdjustingThe buttons are located on the driver’s
door.
1 Driver’s side exterior rear view mirror
button
2Passenger-side exterior rear view mir-
ror button
3Adjustment button
Switch on ignition (
page 34).
Press button1 for the left mirror or
button2 for the right mirror.
Push adjustment button3 up, down,
left, or right according to the desired
setting.
For more information, see “Folding exteri-
or rear view mirrors in and out
automatically” (
page 188).
!For information on how to reposition
the exterior mirror housing when it was
forcibly pushed forward (hit from the
rear) or forcibly pushed rearward (hit
from the front), see “Folding exterior
rear view mirrors in and out manually”
(page 189).
iThe memory function (
page 128) lets
you store the setting for the exterior
rear view mirrors together with the set-
ting for the steering wheel and the seat
position.
At low ambient temperatures, the mir-
rors will be heated automatically.
94 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 door nor trunk is opened
the SmartKey is not inserted in the
starter switch
the central locking switch is not acti-
vatedGlobal locking
Press button‹.
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 five seconds
until 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‹.
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
95 Controls in detail
Locking and unlocking
Restoring to factory setting
Press and hold buttonsŒ and‹
simultaneously for about six seconds
until battery check lamp5 flashes
twice.Checking the batteries
Press button‹ orŒ.
Battery check lamp5 comes on
briefly to indicate that the SmartKey
batteries are in order.Unlocking and opening the trunk
You can unlock and open the trunk sepa-
rately.
A minimum height clearance of 6 ft.
(1.85 m) is required to open the trunk lid.
Press and hold button Š until trunk
unlocks and begins to open.
!If you can no longer lock or unlock the
vehicle with the SmartKey, then either
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 387).
Use the mechanical key to unlock
the driver’s door (
page 383) and
trunk (
page 384).
Use the mechanical key to lock the
driver’s door (
page 383).
Have the vehicle battery and the
battery connections checked
(page 403).
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz Cen-
ter.iIf battery check lamp5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
page 387).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
iIf the batteries are checked within
signal range of the vehicle, pressing
the‹ orŒ button will lock or
unlock the vehicle accordingly.
!The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.
Vehicles with trunk lid opening/closing
system*: To stop the opening proce-
dure, press buttonŠ. The trunk lid
stops moving.
100 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 six seconds
until 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 any outside door handle other
than the driver’s 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.
Global locking
Press lock button at outside door han-
dle (
page 58).
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 six seconds
until battery check lamp5 flashes
twice.
iYou can also lock the vehicle using the
lock button at trunk lid (
page 101)
or, vehicles with trunk lid
opening/closing system*,
KEYLESS-GO locking/closing switch
(
page 110).
!If you can not lock or unlock the vehicle
with the SmartKey with KEYLESS-GO,
then either the battery in the SmartKey
with KEYLESS-GO is discharged, the
SmartKey with KEYLESS-GO is mal-
functioning or the vehicle battery is
drained.
Check the battery in the SmartKey
with KEYLESS-GO and replace it if
necessary (
page 387).
Use the mechanical key to unlock
the driver’s door (
page 383) and
trunk (
page 384).
Use the mechanical key to lock the
driver’s door (
page 383).
102 Controls in detailLocking and unlockingUnlocking and opening the trunk
You can unlock and open the trunk sepa-
rately.
A minimum height clearance of 6 ft.
(1.85 m) is required to open the trunk lid.
Press and hold button Š until trunk
unlocks and begins to open.Loss of the SmartKey with KEYLESS-GO
If you lose your SmartKey with
KEYLESS-GO or mechanical key, you
should do the following:
Have the SmartKey with KEYLESS-GO
deactivated by an authorized
Mercedes-Benz Center.
Report the loss of the SmartKey with
KEYLESS-GO or the mechanical key im-
mediately to your car insurance com-
pany.
Have the mechanical lock replaced if
necessary.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
Opening the doors from the inside
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
1Locking knob
2Inside door handle
!The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.
Vehicles with trunk lid opening/closing
system*: To stop the opening proce-
dure, press buttonŠ. The trunk lid
stops moving.
104 Controls in detailLocking and unlocking
Opening the trunk from the inside
You can open the trunk from the inside if
the vehicle is stationary.
A minimum height clearance of 6 ft.
(1.85 m) is required to open the trunk lid.
The switch is located on the driver’s door.
1Indicator lamp
2Remote trunk lid switch
Pull remote trunk lid switch2 until
trunk begins to open.
The trunk lid opens. The indicator
lamp1 comes on and remains lit until
the trunk is closed.
!The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.
Vehicles with trunk lid opening/closing
system*: To stop the opening proce-
dure, press buttonŠ on the
SmartKey or SmartKey with
KEYLESS-GO*. iThe trunk can also be opened using
buttonŠ on the SmartKey or
SmartKey with KEYLESS-GO* or from
its inside in an emergency, see “Trunk
lid emergency release” (
page 111).
!The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.
Vehicles with trunk lid opening/closing
system*: To stop the opening proce-
dure, press or pull remote trunk lid
switch2. iThe trunk can also be opened using
buttonŠ on the SmartKey or
SmartKey with KEYLESS-GO* or from
its inside in an emergency, see “Trunk
lid emergency release” (
page 111).
129 Controls in detail
Memory function
The memory button and stored position
switch are located on the door.
1 Memory position buttons
2Memory button
Switch on ignition (
page 34).
or
Open the respective door and insert
the SmartKey in the starter switch.
Storing positions into memory
Adjust the seats, steering wheel and
exterior rear view mirrors to the de-
sired position (
page 37).
Press memory button2.
Release memory button2 and push
one of the position buttons1 within
three seconds.
All the settings are stored with the se-
lected position.
Recalling positions from memory
Press and hold one of the position
buttons1 until the seat, steering
wheel and exterior rear view mirrors
have fully moved to the stored posi-
tions.iReleasing the button immediately
stops movement to the stored posi-
tions.Warning!
G
Do not operate the power seats using the
memory button if the seat backrest is in an
excessively reclined position. Doing so
could cause damage to front or rear seats.
First move seat backrest to an upright posi-
tion.