Page 126 of 514

125 Controls in detail
Locking and unlocking
Closing the tailgate from the outside
automatically*
In vehicles with tailgate opening/closing
system* you can close the tailgate sepa-
rately from the outside using the tailgate
closing switch.
Vehicles without KEYLESS-GO*1Tailgate closing switch
Vehicles with KEYLESS-GO*1Tailgate closing switch
Press tailgate closing switch1 briefly.
The tailgate closes.
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 button Š on the SmartKey or
SmartKey with KEYLESS-GO
press or pull the tailgate opening switch
(on the driver’s door)
press the tailgate closing switch
press the KEYLESS-GO
locking/closing* switch
pull the tailgate handle
When leaving the vehicle, always remove the
SmartKey or the SmartKey with
KEYLESS-GO* from the starter switch, take
it with you, and lock the vehicle. Do not
leave children unattended in the vehicle.
Children could open the tailgate from the in-
side, which could result in an accident
and/or serious personal injury.
i
If the tailgate 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 tailgate re-
opens slightly.
Page 127 of 514

126 Controls in detailLocking and unlockingClosing tailgate and locking vehicle
from 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.
With all doors closed:
The locking knobs in the doors
move down.
The tailgate starts to close auto-
matically.
All turn signal lamps flash three
times to confirm locking once the
tailgate has closed completely.
An acoustic signal sounds three
times.
The anti-theft alarm system is
armed.
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.
The locking knobs in the doors move down.
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
You can deactivate the automatic locking
mode using the control system
(page 180).
i
If the tailgate 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 tailgate re-
opens slightly.
i
The doors are designed to unlock automati-
cally after an accident if the force of the impact
exceeds a preset threshold. The vehicle locks au-
tomatically when the ignition is switched on and
the wheels are turning at vehicle speeds of ap-
proximately 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
Page 137 of 514
136 Controls in detailSeatsInstalling
Insert seat cushion 2 (
page 135)
into seat guides 1 (
page 135) from
behind 3 at a slight angle.
Fold seat cushion 2 (
page 135)
back into original position 4 until it
engages.Folding back folding bench seat
1Tab
2Backrest
Pull seat cushion upward using tab 1
and fold it back into original position
until it engages.1Release knob
Press release knob 1 and fold head
restraints down.
!
To avoid damage, insert the head restraints
completely into their guides and engage the seat
belt buckles in their guides.
Page 142 of 514

141 Controls in detail
Lighting
Lighting
For information on how to switch on the
headlamps and use the turn signals, see
“Switching on headlamps” (
page 56)
and see “Turn signals” (
page 56).
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 automati-
cally shift their beams to either side to better fol-
low the curvature of the road ahead, increasing
usable illumination over conventional head-
lamps.
1‚
Standing lamps, left (turn left two
stops)
2ˆ
Standing lamps, right (turn left
one stop)
3M
Off
Daytime running lamp mode
(page 143)
4U
Automatic headlamp mode
Daytime running lamp mode
(page 143)
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
Page 143 of 514

142 Controls in detailLightingManual headlamp mode
The low beam headlamps and the parking
lamps can be switched on and off with the
exterior lamp switch.
Turn the exterior lamp switch to
positionB.
Automatic headlamp mode
The following lamps switch on and off
automatically depending on the brightness
of the ambient light:
Low beam headlamps
Tail and parking lamps
License plate lamps
Side marker lamps
Turn exterior lamp switch to
positionU.
With the SmartKey in starter switch
position1 or the KEYLESS-GO*
start/stop button pressed once, only
the parking lamps and the side marker
lamps will switch on and off automati-
cally.
When the engine is running, the low
beam headlamps, the tail and parking
lamps, the licence plate lamps and the
side marker lamps will switch on and
off automatically.
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.
Warning!
G
If the exterior lamp switch is set toU,
the headlamps may switch off unexpect-
edly when the system senses bright am-
bient light, for example light from
oncoming traffic.
the headlamps will not be automatically
switched on under foggy conditions.
To minimize risk to you and to others, acti-
vate headlamps by turning exterior lamp
switch toB when driving or when traffic
and / or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from positionU toB with the
vehicle at a standstill in a safe location.
Switching fromU toB will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions
may result in an accident.
The automatic headlamp feature is only an
aid to the driver. The driver is responsible for
the operation of the vehicle’s lights at all
times.i
USA only:
With the automatic headlamp mode activated
you can switch on the high beam headlamps in
low ambient lighting conditions.
Page 144 of 514

143 Controls in detail
Lighting
Daytime running lamp mode
Turn the exterior lamp switch to
positionM orU.
When the engine is running, the low
beam headlamps are automatically
switched on.
In low ambient light conditions, the fol-
lowing lamps will switch on additional-
ly:
Tail and parking lamps
License plate lamps
Side marker lampsCanada only
The daytime running lamp mode is manda-
tory and therefore in a constant mode.
When the engine is running, and you shift
from a driving position to positionN orP,
the low beam headlamps will switch off
with a 3 minute delay.When the engine is running, and you
turn the exterior lamp switch to
positionC, the parking lamps and
the side marker lamps switch on addi-
tionally.
turn the exterior lamp switch to
positionB, the manual headlamp
mode has priority over the daytime run-
ning lamp mode.
The corresponding exterior lamps
switch on (
page 141).
i
With the daytime running lamp mode activat-
ed and the engine running, you cannot switch off
the low beam headlamps manually.
i
With the exterior lamp switch in
positionM orU, you cannot switch on the
high beam headlamps.
The high beam flasher is available at all times.
For nighttime driving turn the exterior lamp
switch in positionB to permit activation of
the high beam headlamps.
Page 145 of 514

144 Controls in detailLightingUSA only
By default, the daytime running lamp mode
is deactivated. Activate the daytime run-
ning lamp mode using the control system,
see “Setting daytime running lamp mode
(USA only)” (
page 176).
When the engine is running, and you turn
the exterior lamp switch to
positionCorB, the manual head-
lamp mode has priority over the daytime
running lamp mode.
The corresponding exterior lamps switch
on (
page 141).Locator lighting and night security illu-
mination
Locator lighting and night security illumi-
nation are described in the “Control sys-
tem” section, see (
page 177) and
(
page 178).
Fog lamps
i
With the daytime running lamp mode activat-
ed and the exterior lamp switch in positionM,
you cannot switch on the high beam headlamps.
The high beam flasher is available at all times.
For nighttime driving turn the exterior lamp
switch in positionB orU to permit activa-
tion of the high beam headlamps.
Warning!
G
In low ambient lighting or foggy conditions,
only switch from position U to B with
the vehicle at a standstill in a safe location.
Switching from U to B will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions
may result in an accident.
i
Fog lamps will operate with the parking
lamps and / or the low beam headlamps on. Fog
lamps should only be used in conjunction with
low beam headlamps. Consult your State or
Province Motor Vehicle Regulations regarding
permissible lamp operation.
i
Fog lamps cannot be switched on with the
exterior lamp switch in positionU. To switch
on the fog lamps, turn the exterior lamp switch to
positionB first.
Page 146 of 514
145 Controls in detail
Lighting
Front fog lamps
Switch on the low beam
headlampsB (
page 141).
Pull out the exterior lamp switch to first
stop.
The front fog lamps switch on.
The green indicator lamp‡ in the
exterior lamp switch comes on
(page 141).
Push in the exterior lamp switch.
The front fog lamps switch off.
The green indicator lamp‡ in the
exterior lamp switch goes out.Rear fog lamp (driver’s side only)
Switch on the low beam
headlampsB (
page 141).
Pull out the exterior lamp switch to sec-
ond stop.
The front fog lamps and the rear fog
lamp switch on.
The yellow indicator lamp† in the
exterior lamp switch comes on
(page 141).
Push in the exterior lamp switch to first
stop.
The rear fog lamp switches off.
The yellow indicator lamp† in the
exterior lamp switch goes out.
The front fog lamps remain lit.
Combination switchCombination switch1High beam
2High beam flasher