Page 92 of 399

92 Controls in detailLocking and unlockingUnlocking the trunk lid
The handle is located in the rear license
plate recess.
Pull on the handle and lift up the trunk
lid.
The vehicle unlocks the trunk lid only.
If the vehicle was previously separately
locked or locked with the SmartKey, the
trunk lid will remain locked.The trunk can also be opened from the in-
side in an emergency, see "Trunk lid emer-
gency release" (
page 97).Locking the vehicle
1Lock button at trunk
Press the lock button at door
(page 53) or trunk.
Closing the side windows and slid-
ing/pop-up roof*
Press and hold lock button at door
(page 53) or trunk until the side win-
dows and the sliding/pop-up roof are
closed.
!The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.
iIf the vehicle was previously centrally
locked with the SmartKey, the trunk lid
will lock automatically after closing it.
The turn signals will flash three times to
confirm locking.
If you have left the SmartKey with KEY-
LESS-GO in the trunk, the trunk lid will
not close.
Page 112 of 399

112 Controls in detailLighting
LightingFor notes on how to switch on the head-
lamps and use the turn signals, see the
"Getting started" section (
page 46).
Exterior lamp switch
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.MOff
UAutomatic headlamp mode
CParking lamps (also side marker
lamps, tail lamps, license plate
lamps, instrument panel lamps)
Canada only:
When engine is running, the low
beam is also switched on.
BParking lamps plus low beam 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,
then
a warning sounds
$ appears in the multifunction
display
the message
Turn off lamps!
ap-
pears in the multifunction display
iWith the daytime running lamp mode
activated and the engine running, the
low beam headlamps cannot be
switched off manually.
Page 113 of 399

113 Controls in detail
Lighting
Manual headlamp mode
The low beam headlamps and parking
lamps can be switched on and off with the
exterior lamp switch (
page 112).
Automatic headlamp mode
The parking lamps, low beam headlamps
and license plate lamps switch on and off
automatically depending on the brightness
of the ambient light.
Turn the exterior lamp switch to U.
Warning!
G
In automatic headlamp mode, the head-
lamps will not be automatically switched on
under foggy conditions. To minimize risk to
you and to others, activate headlamps by
turning exterior lamp switch to
B
.
The driver is responsible for the operation of
the vehicle’s lights at all times. The automat-
ic headlamp feature is only an aid to the driv-
er. Switch on the vehicle lights by hand
when driving or when traffic conditions re-
quire you to do so.
iWith the daytime running lamp mode
activated, the low beam headlamps will
not be switched off automatically.
iFront fog lamps and rear fog lamp can
not be switched on manually with exte-
rior lamp switch in positionU. To
activate the fog lamps, turn exterior
lamp switch to positionB.iIf you drive in countries where vehicles
drive on the other side of the road than
the country where the vehicle is regis-
tered, you must have the headlamps
modified for symmetrical low beams.
Relevant information can be obtained
at your authorized Mercedes-Benz Cen-
ter.
Page 139 of 399

139 Controls in detail
Control system
Setting daytime running lamp mode
(USA only)
Move the selection marker with
theæ orç button to the
Light-
ing
submenu.
Press buttonj ork repeatedly
until you see this message in the dis-
play:
Lamp circuit headlamp
.
The selection marker is on the current
setting.
Pressæ orç to select manual
or daytime running lamp (constant)
mode. This function is not available in
countries where daytime running
lamps are mandatory.With daytime running lamp mode se-
lected and the exterior lamp switch at
position0, the following lamps will
come on automatically when the en-
gine is turned on:
Parking lamps and low beam head-
lamps
License plate lamps (in low ambient
light conditions) Setting locator lighting
During darkness, the following lamps will
come on when the locator lighting feature
is activated and the vehicle is unlocked by
remote control:
Parking lamps
Tail lamps
License plate lamps
Front fog lamps
The exterior lamp switch must be set to po-
sition U (
page 112).
The locator lighting switches off when the
driver’s door is opened. It switches off au-
tomatically after a period of approximately
40 seconds.
Move the selection marker with
theæ orç button to the
Light-
ing
submenu.
Press buttonj ork repeatedly
until you see this message in the dis-
play:
Function Surround lighting
.
iIf you turn the exterior lamp switch to
another position, the corresponding
lamp(s) will switch on.
For safety reasons, resetting the Lighting
submenu to factory settings
(
page 131) will not reset the daytime
running lamp mode.
In the display you will then see the mes-
sage:
Lighting
Page 140 of 399

140 Controls in detailControl system
The selection marker is on the current
setting.
Pressæ orç to select the de-
sired setting.
Turn the exterior lamp switch to posi-
tion U.
The locator lighting will be switched on
or off.
Ambient light level
Using this function, you can adjust the
brightness of the ambient lighting.
Move the selection marker with the
æ orç button to the
Lighting
submenu.
Press button j ork, repeatedly
until you see the message
Ambient
light Level
in the display
.
The selection marker is on the current
setting.
Press æ orç to select the
brightness of the lighting.
1 represents
the darkest setting and
5 represents
the brightest setting.
The ambient light is switched off below
setting
1 or above setting
5. The selec-
tion marker points to
off
.Setting night security illumination (Exte-
rior lamps delayed switch-off)
Use the
Headlamps delayed shut-off
function to set whether and for how long
you would like the exterior lamps to illumi-
nate during darkness after all doors are
closed. When the delayed switch-off fea-
ture is activated, the following lamps will
remain lit after you remove the key from
the starter switch:
Parking lamps
Tail lamps
License plate lamps
Front fog lamps
The exterior lamp switch must be set to po-
sition U (
page 112).
iYou can reactivate this function within
ten minutes by opening a door.
If you do not open a door after remov-
ing the key, the lamps will automatical-
ly switch off after 60 seconds.
Page 316 of 399

316 Practical hintsWhat to do if …Display
Possible cause
Suggested solution
.
3rd stop lamp
The high mounted brake lamp is mal-
functioning.
Visit an authorized Mercedes-Benz Center
as soon as possible.
High beam, left
The left high beam lamp is malfunc-
tioning.
Replace the bulb as soon as possible.
High beam, right
The right high beam lamp is malfunc-
tioning.
Replace the bulb as soon as possible.
License plate lamp,
left
The left license plate lamp is mal-
functioning.
Replace the bulb as soon as possible.
License plate lamp,
right
The right license plate lamp is mal-
functioning.
Replace the bulb as soon as possible.
Front foglight, left
The left front fog lamp is malfunc-
tioning.
Replace the bulb as soon as possible.
Front foglight, right
The right front fog lamp is malfunc-
tioning.
Replace the bulb as soon as possible.
Rear foglight
The rear fog lamp is malfunctioning.
A backup bulb is being used.
Replace the bulb as soon as possible.
Back-up lamp, left
The left backup lamp is malfunction-
ing.
Replace the bulb as soon as possible.
Page 333 of 399

333 Practical hints
Replacing bulbs
Rear lamps Notes on bulb replacement
Use only 12-volt bulbs of the same type
and with the specified watt rating.
Switch lights off before changing a bulb
to prevent short circuits.
Always use a clean lint-free cloth when
handling bulbs.
Y o u r h a n d s s h o u l d b e d r y a n d f r e e o f o i l
and grease.
If the newly installed bulb does not light
up, visit an authorized Mercedes-Benz
Center.
Have the LEDs and bulbs for the follow-
ing lamps replaced by an authorized
Mercedes-Benz Center:
Additional turn signal lamps in the
exterior rear view mirrors
High mounted brake lamp
Bi-Xenon lamps
Front fog lamps
Lamp
Type
7
High mounted brake
lamp
LED
8
Tail, parking and
standing lamp
HiP
9
License plate lamps
C 5 W
Warning!
G
Keep bulbs out of reach of children.
Bulbs and bulb sockets can be very hot. Al-
low the lamp to cool down before changing
a bulb.
Halogen lamps contain pressurized gas. A
bulb can explode if you:
touch or move it when hot
drop the bulb
scratch the bulb
Wear eye and hand protection.
Because of high voltage in Bi-Xenon lamps,
it is dangerous to replace the bulb or repair
the lamp and its components. We recom-
mend that you have such work done by a
qualified technician.
Page 336 of 399
336 Practical hintsReplacing bulbsReplacing bulbs for rear lamps
Tail lamp assemblies
The tail lamps are equipped with HiP bulbs.License plate lamp
1Screw
Switch off the lights.
Loosen both screws1 and remove
lamp.
Replace the tubular lamp and reinstall
lamp.
Retighten the screws.
!To prevent scratches, we recommend
that you have the sidemarker bulb re-
placed by an authorized Mer-
cedes-Benz Center.Warning!
G
The bulbs in the tail lamps cannot be re-
placed individually. The tail lamp bulbs are
under pressure and could explode during an
attempt to replace them.
If the tail lamps are malfunctioning, have
them exchanged at an authorized Mer-
cedes-Benz Center.