Page 108 of 474
107 Controls in detail
Locking and unlocking
Pull the mechanical key out of the
SmartKey (
page 389).
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key clockwise to
position2 and remove the mechani-
cal key in that position to lock the
trunk.
The trunk remains locked even when the
vehicle is centrally unlocked.
Insert the mechanical key in the trunk
lid lock.
Turn the mechanical key counterclock-
wise to neutral position1 and remove
the mechanical key in that position to
unlock the trunk.
You can now open the trunk
(page 103).
Automatic central locking
The doors and the trunk 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
inside. Open door only when conditions
are safe to do so.
You can deactivate the automatic locking
mode using the control system, see “Set
automatic locking” (
page 152).
Locking and unlocking from the inside
You can lock or unlock the doors and the
trunk from inside using the central locking
or unlocking switch. This can be useful, for
example, if you want to lock the vehicle
before starting to drive.
You cannot lock or unlock the fuel filler flap
with the central locking or unlocking
switch.
iYou can only cancel the separate trunk
locking mode by means of the
mechanical key.
iThe doors unlock automatically after an
accident if the force of the impact
exceeds a preset threshold.
To prevent the vehicle door locks from
locking, deactivate the automatic
central locking when the vehicle
is pushed or towed
is on a test stand
Warning!
G
When leaving the vehicle, always remove the
SmartKey from the starter switch, take it
with you, and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. Unsuper-
vised use of vehicle equipment may cause
an accident and/or serious personal injury.
Page 127 of 474
126 Controls in detailLightingDeactivating
Press the= symbol on rocker
switch3.
The interior lighting remains switched
off, even when you
unlock the vehicle
open a door
remove the SmartKey from the
starter switch
Manual control
Switching all front interior lights on and
off
Press theW symbol on rocker
switch3.
The front interior lights come on.
Press rocker switch3 to center
position to activate the automatic
control.Switching rear interior lights on and off
Press buttonV.
The lights in the rear passenger
compartment come on.
Press buttonV again.
The lights in the rear passenger
compartment go out.
Switching front reading lamp on and off
Press right or left buttonX.
The right reading lamp comes on.
Press right or left buttonX again.
The right reading lamp goes out.
Door entry lamps
The appropriate door entry lamp switches
on if a door is opened in darkness and if
the interior lighting is switched to auto-
matic function.
The entry lamp switches off automatically
when the door is closed.Trunk lamp
The trunk lamp switches on if the trunk is
opened.
If you leave the trunk open for an extended
period of time, the trunk lamp will switch
off automatically after approximately
10 minutes.
iIf you turn the SmartKey in the starter
switch to position0 and switch off the
exterior headlamps, the door entry
lamps will remain lit for approximately
5minutes.
Page 251 of 474
250 Controls in detailLoadingRoof rack*
Mount the roof rack only between the
fastening points (see arrows).
Secure the roof rack according to
manufacturer’s instructions for
installation.
Ski sack* (Canada only)
1Handle
2Cover
3Armrest
Unfolding and loading
Fold armrest3 down (arrow).
Pull handle1 and swing cover2
down.
Warning!
G
Only use roof racks approved by
Mercedes-Benz for your vehicle model to
avoid damage to the vehicle. Follow manu-
facturer’s installation instructions.
!Load the roof rack in such a way that
the vehicle cannot be damaged while
driving.
Make sure
you can fully raise the tilt/sliding
sunroof*.
you can fully open the trunk.
Page 252 of 474
251 Controls in detail
Loading
4Hook and loop fastener
Unfasten hook and loop fastener4.
Pull ski sack into passenger compart-
ment and unfold.5Button
Open trunk lid.
Press button5.
The flap opens downward.
From trunk, slide skis into ski sack.Warning!
G
The ski sack is designed for up to four pairs
of skis. Do not load the ski sack with other
objects.
Always fasten the ski sack securely. In an
accident, an unfastened ski sack can cause
injury to vehicle occupants.
Page 253 of 474
252 Controls in detailLoading6Strap
Tighten strap6 by pulling at the loose
end (arrow) until the skis in the ski sack
are tightly secured.7Hook
8Eye
Connect hook7 to eye8.
Tighten strap by pulling at the loose
end (arrow).Unloading and folding
Loosen the straps.
Disconnect hook7 from eye8.
Unload skis.
Close flap in trunk.
Fold and flatten ski sack lengthwise.
Place folded ski sack inside recess of
backrest.
Fasten hook and loop fastener.
Close ski sack compartment cover.
Page 254 of 474
253 Controls in detail
Loading
Removing the ski sack
You can remove the ski sack for cleaning
or drying.
1Button
2Ski sack frame
3Flap
Open trunk lid.
Press button1.
The flap3 opens downward.
Press button1 firmly until ski sack
frame2 is released.
Pull ski sack frame2 with ski sack
out.Installing the ski sack
Install the ski sack in the reverse order.
Push ski sack frame2 with ski sack
inward until the ski sack frame snaps
into place.
Close flap3.
Close trunk lid.
Split rear bench seat*
To expand the cargo area, you can fold
down the left and right rear seat backrests.
The two sections can be folded down
separately.
Warning!
G
Never drive vehicle with trunk open while
the ski sack is removed. Deadly carbon
monoxide (CO) gases may enter vehicle in-
terior, resulting in unconsciousness and
death.iTo prevent unauthorized persons from
accessing the trunk, always close the
flap.
Warning!
G
When expanding the luggage area, always
fold the seat cushions fully forward.
Unless you are transporting cargo, the
backrests must remain properly locked in
the upright position.
In an accident, during hard braking or
sudden maneuvers, loose items will be
thrown around inside the vehicle, and cause
injury to vehicle occupants unless the items
are securely fastened in the vehicle.
Always use the cargo tie down rings*
(page 256).
Page 255 of 474
254 Controls in detailLoadingFolding the backrest forward
The release handle1 is located in the
trunk.
Pull release handle1.
Fully retract and fold rearward head
restraints (
page 111).
Pull release handle2.
Fold seat cushion3 forward.
Fold backrest4 forward.Returning the backrest to original
position
Fold backrest2 rearward until it
engages.
Fold seat cushion1 rearward until it
locks into position.
!Always release the seat cushion and
fold it forward before folding the seat
backrests forward. Otherwise, the
backrest covering may be damaged.
Page 256 of 474
255 Controls in detail
Loading
If the backrest is not locked into position,
a red indicator3 will be visible.
Check for secure locking by pushing
and pulling on the backrest.
Loading instructions
The total load weight including vehicle
occupants and luggage/cargo should not
exceed the load limit or vehicle capacity
weight indicated on the corresponding
placard located on the driver’s door
B-pillar.
The handling characteristics of a fully load-
ed vehicle depend greatly on the load dis-
tribution. It is therefore recommended to
load the vehicle according to the illustra-
tions shown, with the heaviest items being
placed towards the front of the vehicle.
Warning!
G
If a red indicator is visible with the backrest
up, then the backrest is not properly locked
into position.
Always lock backrest in its upright position
when rear seat bench is occupied, cargo is
being carried in the trunk, or the extended
cargo compartment is not in use. Check for
secure locking by pushing and pulling on the
backrest.
In an accident, during hard braking or sud-
den maneuvers, loose items will be thrown
around inside the vehicle, and cause injury
to vehicle occupants unless the items are
securely fastened in the vehicle.
To help avoid personal injury during a
collision or sudden maneuver, exercise care
when transporting cargo.iTo prevent unauthorized persons from
access to the trunk, always lock
backrest in its upright position.
