Page 75 of 314

75 Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The vehicle will lock again automatically
within approximately 40 seconds of un-
locking if neither door nor trunk is opened,
the key is not inserted in the steering lock,
or the central locking switch is not
activated.
Global locking
Press button‹.
All turn signal lamps flash three times.
The locking knobs in the doors move
down.Selective setting
If you frequently travel alone, you may wish
to reprogram the remote control so that
pressingŒ only unlocks the driver’s
door, the storage compartment in the arm-
rest and the fuel filler flap.
Press and hold buttons Œ and
‹simultaneously for about five sec-
onds until battery check lamp4 flash-
es twice.
The remote control will then function
as follows:
Unlocking driver’s door, storage com-
partment in armrest and fuel filler flap
Press buttonŒ once.
Global unlocking
Press buttonŒ twice.
Global locking
Press button‹.
Restoring to factory setting
Press and hold buttonsŒand‹
simultaneously for about six seconds
until battery check lamp4 flashes
twice.
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
Close the respective element and lock
the vehicle again.
Warning!
G
When leaving the vehicle, always remove the
key from the steering lock and lock the vehi-
cle. Do not leave children unattended in the
vehicle, or with access to an unlocked vehi-
cle. It is possible for children to open a
locked door from the inside, which could re-
sult in an accident and/or serious injury.
Page 76 of 314

76 Controls in detailLocking and unlocking
Checking the batteries
Press button‹orŒ longer than
one second.
The battery check lamp4comes on
briefly to indicate that the key batteries
are in order.Loss of remote control with folding key
If you lose a remote control or the folding
key, you should do the following:
Have the remote control deactivated
by an authorized Mercedes-Benz
Center.
Report the loss of the remote control or
the folding key immediately to your car
insurance company.
If necessary have the mechanical lock
replaced.
Your authorized Mercedes-Benz Center
will be glad to supply you with a replace-
ment.
!If you can no longer lock or unlock the
vehicle with the remote control, then
either the batteries in the remote con-
trol are discharged, the remote control
is malfunctioning, or the vehicle battery
is drained.
Check the batteries in the remote
control and replace them if neces-
sary (
page 216)
Synchronize the remote control
(page 219)
Check the vehicle battery
(page 251)
Use the folding key to unlock the
doors (
page 216) and the trunk
(
page 216) as required. Lock the
vehicle using the folding key
(page 217).
If the remote control is malfunctioning,
contact an authorized Mercedes-Benz
Center.
!If battery check lamp4 does not light
up briefly during the check, then the re-
mote control batteries are discharged.
Replace the batteries (
page 218).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
iIf the batteries are checked within sig-
nal range of the vehicle, pressing
the‹orŒ button will lock or
unlock the vehicle accordingly.
Page 78 of 314
78 Controls in detailLocking and unlockingClosing the trunk
The recess is located on the inner side of
the trunk lid.
1Recess
Lower trunk lid by pulling firmly on
recess1.
Close trunk lid with hands placed flat
on it.
Trunk lid emergency release
The handle for the trunk lid emergency re-
lease is located on the inside of the trunk
lid.
1Handle
Pull handle1 in direction of arrow to
open the trunk lid.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
opening when closing the trunk. Be espe-
cially careful when small children are
around.Warning!
G
Only drive with the trunk closed as, among
other dangers such as visibility blockage,
exhaust fumes may enter the vehicle
interior.iTo prevent an inadvertent lockout, do
not place the key in the trunk.
!The emergency release handle unlocks
and opens the trunk while the vehicle is
standing or driving.
Page 79 of 314
79 Controls in detail
Locking and unlocking
Automatic central locking
The doors and the trunk automatically lock
when the ignition is switched on and the
left front wheel turns 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.Information on towing the vehicle can be
found in the “Practical hints” section
(
page 199).
The switch is located on the upper center
console.
Central locking switch1Locking
2Unlocking
iOpening the trunk from the inside will
trigger the anti-theft alarm system. To
cancel the alarm, do one of the follow-
ing:
Press buttonŒor‹on the
key.
Insert the key in the steering lock
and turn it to position 2.
iThe doors unlock automatically after an
accident if the force of the impact ex-
ceeds a preset threshold.
To prevent the vehicle door locks from
locking, deactivate the automatic cen-
tral locking when the vehicle
is pushed or towed
is on a test stand
Page 80 of 314

80 Controls in detailLocking and unlockingActivating
Check that the ignition is switched on.
All the lamps in the instrument cluster
light up.
Press and hold upper part1 of the
central locking switch for approximate-
ly five seconds.
The automatic central locking is acti-
vated.
Deactivating
Check that the ignition is switched on.
All the lamps in the instrument cluster
light up.
Press and hold lower part2 of the
central locking switch for approximate-
ly five seconds.
The automatic central locking is deacti-
vated.
Locking and unlocking from the inside
You can lock or unlock the vehicle from in-
side using the central locking switch. This
can be useful, for example, if you want to
unlock the passenger door from the inside
or want to lock the vehicle before starting
to drive.Locking
Press upper part1 of central locking
switch (
page 79).
If all the doors are closed, the vehicle
locks.
Unlocking
Press lower part2 of central locking
switch (
page 79).
The vehicle unlocks.
Warning!
G
When leaving the vehicle, always remove the
key from the steering lock and lock the vehi-
cle. Do not leave children unattended in the
vehicle, or with access to an unlocked vehi-
cle. Unsupervised use of vehicle equipment
may cause an accident and/or serious per-
sonal injury.
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 using the remote control, it will
not unlock using the central locking
switch.
Page 83 of 314
83 Controls in detail
Lighting
Lighting
For notes on how to switch on the head-
lamps and use the turn signals, see the
“Getting started” section (
page 43).
Exterior lamp switch
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.
MOff
CParking lamps (also side marker
lamps, tail lamps, license plate
lamps, instrument panel lamps)
Canada only: When engine is run-
ning, the low beam is also switched
on.
BLow beam plus parking lamps or
high beam headlamps (combination
switch pushed forward).ˆStanding lamps, right (turn left one
stop)
‚Standing lamps, left (turn left two
stops)
iIf you remove the key and open the
driver’s door while the parking lamps or
low beam headlamps are switched on,
a warning sounds.iWith the daytime running lamp mode
activated and the engine running, the
low beam headlamps cannot be
switched off manually.
Page 87 of 314
87 Controls in detail
Lighting
Interior lighting
The controls are located in the overhead
control panel.
1Switch for automatic control
2Switch for interior lightingActivating Automatic control
Turn switch1 to the right.
Interior lighting is switched on in dark-
ness, even when you:
unlock the vehicle
open a door
open the trunk lid
The interior lighting switches itself off
again after a short pause.Deactivating Automatic control
Turn switch1 to the left.
The interior lighting remains switched
off in darkness, even when you:
unlock the vehicle
open a door
open the trunk lid
iIf the door remains open, the interior
lamps switch off automatically after ap-
proximately five minutes, when the key
is removed or in the starter switch
position0.
An interior lamp switched on manually
does not go out automatically.
Page 89 of 314

89 Controls in detail
Instrument cluster
Instrument cluster
A full view illustration of the instrument
cluster can be found in the “At a glance”
section of this manual (
page 20).
The instrument cluster is activated when
you
open the driver’s door
turn the key in steering lock to
position2 (
page 29)
press left knob3 (
page 20)
Instrument cluster illumination
Instrument lamps
To brighten illumination
Turn knob3 (
page 20) clockwise.
The instrument lamps will brighten.
To dim illumination
Turn knob3 counterclockwise.
The instrument lamps will dim.
Display illumination
Press knob3.
With key removed or in steering lock
position0 or1 (
page 29), the display
is illuminated for a short time.
Coolant temperature gauge
Under normal driving conditions, the cool-
ant temperature may rise to 248°F
(120°C). The coolant temperature may
climb to the red marking:
at high outside temperatures
during stop-and-go traffic
when driving on hilly terrain
The engine should not be operated with
the coolant temperature in the red zone.
Doing so may cause serious engine dam-
age which is not covered by the
Mercedes-Benz Limited Warranty.