Page 125 of 539

124 Controls in detailLocking and unlocking
Closing the tailgate and locking the
vehicle from the outside (vehicles with
KEYLESS-GO*)
In vehicles with tailgate opening/closing
system and KEYLESS-GO*, you can close
the tailgate and lock the vehicle simulta-
neously 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.The vehicle is locked and the tailgate
closes automatically. The turn signals
flash three times to confirm locking.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
If the tailgate comes into contact with an
object while closing (e.g. luggage that has
been piled too high), the closing procedure
is stopped and the tailgate reopens
slightly.
Even with the SmartKey with KEYLESS-GO*
removed from the vehicle, the tailgate
closing switch can be operated. Therefore,
do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Unsupervised use of vehicle equipment may
cause an accident and/or serious personal
injury.Warning!
G
Only drive with the tailgate closed as,
among other dangers such as blocked
visibility, exhaust fumes may enter the vehi-
cle interior.iIf the vehicle was previously centrally
locked, the tailgate will lock automati-
cally after closing it. The turn signals
will flash three times to confirm lock-
ing.
iYou can also close the tailgate by hand.iTo prevent a possible inadvertent lock-
out, the tailgate will open automatically
if a SmartKey with KEYLESS-GO* is
recognized inside the vehicle.
Page 126 of 539

125 Controls in detail
Locking and unlocking
Automatic central locking
The doors and the tailgate automatically
lock when the ignition is switched on and
the wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h) or more.
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
Warning!
G
Monitor the closing procedure carefully to
make sure no one is in danger of being in-
jured. To prevent possible personal injury,
always keep hands and fingers away from
the cargo compartment opening when clos-
ing the tailgate. Be especially careful when
small children are around. To stop the clos-
ing procedure, do one of the following:
press KEYLESS-GO locking/closing
switch
1
press the tailgate closing switch
press the Šbutton on the SmartKey
with KEYLESS-GO*
press or pull the remote tailgate switch
(on the driver’s door)
Even with the SmartKey with KEYLESS-GO*
removed from the vehicle, the tailgate
closing switch can be operated. Therefore,
do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Unsupervised use of vehicle equipment may
cause an accident and/or serious personal
injury.Warning!
G
Only drive with the tailgate closed as,
among other dangers such as blocked
visibility, exhaust fumes may enter the vehi-
cle interior.
iThe doors unlock automatically after an
accident if the force of the impact ex-
ceeds a preset threshold.
The vehicle automatically locks when
the ignition is switched on and the
wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h) or
more. You could therefore lock yourself
out when the vehicle
is pushed or towed
is on a test stand
during a wheel change
Page 127 of 539

126 Controls in detailLocking and unlockingFor information on towing the vehicle, see
“Towing the vehicle” (
page 472).
You can deactivate the automatic locking
mode using the control system
(
page 172).
Locking and unlocking from the inside
You can lock or unlock the doors and the
tailgate from inside using the central lock-
ing or unlocking switch. This can be useful,
for example, if you want to lock the vehicle
before starting to drive.
The fuel filler flap cannot be locked or un-
locked with the central locking or unlock-
ing switch, respectively.The switches are located on each front
door control panel.
1Central unlocking switch
2Central locking switch
Locking
Press central locking switch2.
If all doors and the tailgate are closed,
the vehicle locks.
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.
iWith the passenger-side door opened,
you cannot lock the vehicle with the
central locking switch.
Page 128 of 539
127 Controls in detail
Locking and unlocking
Unlocking
Press central unlocking switch1.
The vehicle unlocks.
iYou can open a locked door from the
inside. Open door only when conditions
are safe to do so.
If the vehicle was previously centrally
locked with the SmartKey or the
SmartKey with KEYLESS-GO*, it will
not unlock using the central unlocking
switch2.
If the vehicle was previously locked
with the central locking switch1:
While in the selective remote con-
trol mode, only the front door
opened from the inside is unlocked.
While in the global remote control
mode, the vehicle is unlocked com-
pletely when a front door is opened
from the inside.
Page 272 of 539
271 Controls in detail
Useful features
1Unlocked
2Locked
Locking the glove box
Insert mechanical key (
page 435)
into the glove box lock and turn it to
position2.
Unlocking the glove box
Turn mechanical key in the glove box
lock to position1.Storage compartment in the center
console
Vehicles without ashtray*
Briefly press the front of the cover.
The cover opens automatically.Storage compartment (depending on
vehicle configuration)
Briefly press the front of the cover.
The cover opens automatically.
Page 289 of 539

288 Controls in detailUseful features
Remote door unlock
In case you have locked your vehicle unin-
tentionally (e.g. SmartKey inside vehicle),
and the reserve SmartKey is not handy:
Contact the Mercedes-Benz Response
Center at 1-800-756-9018 (in the USA)
or 1-888-923-8367 (in Canada).
You will be asked to provide your pass-
word which you provided when you
completed the subscriber agreement.
Then return to your vehicle and pull the
tailgate recessed handle for minimum
of 20 seconds until the SOS button is
flashing.
The message
Connecting call
ap-
pears in the multifunction display.
As an alternative, you may unlock the vehi-
cle via Internet using the ID and password
sent to you shortly after the completion of
your acquaintance call.
The Response Center will then unlock your
vehicle with the remote door unlocking
feature.
!If the indicator lamp continues to flash
or the system does not reset, contact
the Response Center at
1-800-756-9018 (in the USA) or
1-888-923-8367 (in Canada), or
Mercedes-Benz Customer Assistance
at 1-800-FOR-MERCedes
(1-800-367-6372) in the USA or
Customer Service at 1-800-387-0100
in Canada.
iThe remote door unlock feature is
available if the relevant cellular phone
network is available.
The SOS button will flash and the
message
Connecting call
will appear
in the multifunction display to indicate
receipt of the door unlock command.
Once the vehicle is unlocked, a
Response Center specialist may
attempt to establish voice contact with
the vehicle occupants.
If the tailgate recessed handle was
pulled for more than 20 seconds
before door unlock authorization was
received by the Response Center, you
must wait 15 minutes before pulling
the tailgate recessed handle again.
Page 324 of 539

323 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 SmartKey or the SmartKey with
KEYLESS-GO* automatically
locks/unlocks the fuel filler flap.
Turn the engine off
by turning the SmartKey to
position0. Remove the SmartKey
from the starter switch.
by pressing the KEYLESS-GO*
start/stop button (
page 35).
Open the driver’s door (with the
driver’s door open, starter switch is
now in position0, same as
SmartKey removed from starter
switch).
Open the fuel filler flap by pushing at
the point indicated by the arrow.
The fuel filler flap springs open.
Turn the fuel cap to the left and hold on
to it until possible pressure is released.
Take off the cap.
To prevent fuel vapors from escaping
into open air, fully insert filler nozzle
unit.
Only fill your tank until the filler nozzle
unit cuts out - do not top up or over-
fill.
Warning!
G
Gasoline is highly flammable and poisonous.
It burns violently and can cause serious
injury. Whenever you are around gasoline,
avoid inhaling fumes and skin contact, extin-
guish all smoking materials. Never allow
sparks, flame or smoking materials near
gasoline!
Warning!
G
Overfilling of the fuel tank may create pres-
sure in the system which could cause a gas
discharge. This could cause the gas to spray
back out when removing the fuel pump noz-
zle, which could cause personal injury.
Page 382 of 539
381 Practical hints
What to do if …
Where will I find ...?
Unlocking/locking in an emergency
Opening/closing in an emergency
Replacing SmartKey batteries
Replacing bulbs
Replacing wiper blades
Flat tire
Battery
Jump starting
Towing the vehicle
Fuses