Page 89 of 384

89 Controls in detail
Locking and unlocking
Opening the trunk lid from the outside
The trunk lid lock is located in the rear li-
cense plate recess.
A minimum height clearance of 6.1 ft
(1.90 m) is required to open the trunk lid.
Press trunk lid lock1.
The trunk lid swings open. Always make
sure that there is sufficient overhead clear-
ance.The trunk can also be opened from the in-
side of the trunk in an emergency, see
“Trunk lid emergency release”
(
page 89).
Trunk lid emergency release
The emergency release button is located in
the trunk lid.
Illumination of the emergency release but-
ton:
The button will blink for 30 minutes af-
ter opening the trunk.
The button will blink for 60 minutes af-
ter closing the trunk.
Briefly press the emergency release
button.
The trunk unlocks and the trunk lid
opens.
iThe vehicle must be unlocked.
!The emergency release button does
not open the trunk lid if the vehicle bat-
tery is discharged or disconnected.iIf the emergency release button is
pressed and the vehicle was centrally
locked, the exterior lamps will flash and
the alarm will sound as the trunk lid
opens.
To cancel the alarm, insert the key in
the starter switch or press button
Œ
or
‹
on the key.
Page 90 of 384
90 Controls in detailLocking and unlockingClosing the trunk lid
1Handle
Lower trunk lid by pulling firmly on
handle1.
Push the trunk lid closed from the out-
side with hands placed flat on trunk lid.
The power closing assist automatically
ensures that the lid is pulled complete-
ly closed (
page 94).
Separately locking the trunk
1Locked
2Unlocked
Close the trunk lid.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
lid 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 interi-
or.
iTo prevent an inadvertent lockout, do
not place the key in the trunk.
Vehicles with KEYLESS-GO*: To pre-
vent a possible inadvertent lockout, the
trunk lid will open automatically if a
KEYLESS-GO card is recognized in the
area of the rear shelf or inside the
trunk.
Page 91 of 384

91 Controls in detail
Locking and unlocking
Pull the mechanical key out of the
SmartKey (
page 297).
Insert the mechanical key into the
trunk lid lock.
Turn the key completely to the right to
position 1.
The trunk remains locked even when the
vehicle is centrally unlocked.
Separately unlocking the trunk
Turn the key completely to the left to
position 2.
You can now open the trunk.
Trunk lid opening / closing system*
You can open or close the trunk lid from
the inside if the vehicle is stationary.
A minimum height clearance of 6.1 ft
(1.90 m) is required to open the trunk lid.
Opening from the inside
1Indicator lamp
2Remote trunk lid switch
Pull remote trunk lid switch2.
The trunk opens. The indicator lamp1
comes on. It remains lit until you close
the trunk again.If the trunk lid does not open, it is still
locked separately (
page 91).
The trunk can also be opened from the in-
side in an emergency, see “Trunk lid emer-
gency release” (
page 89).
You can stop the opening procedure as fol-
lows:
Press the remote trunk lid switch2.
The trunk lid stops moving.
iYou can only cancel the separate trunk
locking mode by means of the mechan-
ical key.
!The trunk lid swings open automatical-
ly. Always make sure that there is suffi-
cient overhead clearance.iThe vehicle must be unlocked.
Page 92 of 384

92 Controls in detailLocking and unlockingClosing from the inside
Press the remote control switch2 until
the indicator lamp in the switch goes
out and the trunk lid is closed.
To interrupt the closing procedure:
Release remote trunk lid switch2.
If the trunk 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 trunk re-opens slightly.Closing from the outside
1Trunk lid closing switch
Press the trunk lid closing switch1
briefly.
The trunk lid closes automatically.
If the trunk 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 trunk re-opens slightly.
Warning!
G
Maintain sight of trunk area while operating
the door mounted switch. Monitor the clos-
ing procedure carefully to ensure that no
one is in danger of being injured.
To interrupt the closing procedure, release
the door mounted remote trunk lid switch.
Warning!
G
Monitor the closing procedure carefully to
ensure that no one is in danger of being in-
jured. To prevent possible personal injury,
always keep hands and fingers away from
the trunk opening when closing the trunk.
Be especially careful when small children
are around. To stop the closing procedure,
press the remote trunk lid switch (on driv-
er's door control panel), the trunk lid closing
switch1 or the
Š
button on the Smart-
Key.
!Do not place the key in the open trunk.
You may lock yourself out.
Vehicles with KEYLESS-GO*: To pre-
vent a possible inadvertent lockout, the
trunk lid will open automatically if a
KEYLESS-GO card is recognized in the
area of the rear shelf or inside the
trunk.
Page 93 of 384

93 Controls in detail
Locking and unlocking
Closing and locking the trunk lid with
KEYLESS-GO*
On vehicles with trunk lid opening/closing
system and KEYLESS-GO, you can close
the trunk lid and lock the vehicle simulta-
neously.
1Trunk lid closing switch
2KEYLESS-GO switch
Make sure that you have the SmartKey
and the KEYLESS-GO card with you.
Press switch2 in the trunk lid.
The trunk lid closes automatically and
the vehicle is locked. The turn signals
flash three times to confirm locking.Limiting opening height of trunk lid
The trunk lid opening height can be limited
when transporting goods on a roof rack (e.g. presence of an MB sport luggage con-
tainer). When activated, the trunk lid opens
to approximately the height of the roof
edge.
With the trunk lid closed, press the re-
mote trunk lid switch and hold for at
least five seconds (
page 91).
Depending on its previous status, the
opening height restriction is then
switched on or off.
iTo prevent a possible inadvertent lock-
out, the trunk lid will open automatical-
ly if a KEYLESS-GO card is recognized
in the area of the rear shelf or inside
the trunk. Warning!
G
Monitor the closing procedure carefully to
ensure that no one is in danger of being in-
jured. To prevent possible personal injury,
always keep hands and fingers away from
the trunk opening when closing the trunk.
Be especially careful when small children
are around. To stop the closing procedure,
press the trunk lid closing switch1 in the
trunk lid, the
Š
button on the SmartKey
or the remote trunk lid switch (on driver's
door control panel).
iIf the trunk lid comes into contact with
an object while closing (e.g. luggage
that has been piled too high), the clos-
ing procedure is stopped and the trunk
re-opens slightly.
The closing procedure can be stopped
at anytime by once again pressing the
trunk lid closing switch in the trunk lid
or the remote control switch in the driv-
er’s door or the
Š
button on the
SmartKey.
Page 94 of 384

94 Controls in detailLocking and unlockingPower closing assist for doors and trunk lid
Power closing assist for doors
Press the doors gently past the initial
engage position into the lock.
The doors close automatically.
Power closing assist for trunk lid
Press the trunk lid gently into its lock.
The trunk closes automatically.
It is not necessary to slam the door or
trunk lid closed. A pneumatic power-as-
sisted mechanism draws doors and trunk
lid closed quietly and automatically once
the door or trunk lid has been latched.
When the pneumatic power-assist and
mechanism has stopped, doors and / or
trunk can be re-opened.
Automatic central locking
The doors and the trunk automatically lock
when the ignition is switched on and the
wheels are turning at speeds of approxi-
mately 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.You can deactivate the automatic locking
using the control system (
page 139).
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the door
or trunk opening when closing a door or the
trunk lid. Be especially careful when small
children are around.
The pneumatic power closing assist mecha-
nism cannot be stopped once it has been
engaged.
To prevent personal injury, never activate
the closing assist mechanism by tampering
with the door or trunk lid latch.
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 speeds of approx-
imately 9 mph (15 km/h) or more. You
could therefore lock yourself out when
the vehicle
is pushed
is on a test stand
Page 95 of 384

95 Controls in detail
Locking and unlocking
Locking and unlocking from the inside
You can lock or unlock the doors and the
trunk from inside using the central locking
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 switch.The switches are located in the center con-
sole.
Central locking / unlocking switches1Central locking switch
2Central unlocking switch
Locking
Press central locking switch 1.
If both doors are closed, the vehicle
locks.
Unlocking
Press central unlocking switch 2.
The vehicle unlocks.
Warning!
G
When leaving the vehicle, always remove the
key from the starter switch, take the
KEYLESS-GO* card with you and lock the ve-
hicle. Do not leave children unattended in
the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment may cause an accident and/or serious
personal 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 with the SmartKey or the
KEYLESS-GO* card it will not unlock
using the central locking switch.
If the vehicle was previously locked
with the central locking switch:
While in the global remote control
mode, the complete vehicle is un-
locked when a door is opened from
the inside.
While in the selective remote con-
trol mode, only the door opened
from inside is unlocked.
Page 96 of 384

96 Controls in detailSeats
SeatsInformation on seat adjustment can be
found in the “Getting started” section
(page 34).
Lumbar support
You can adjust the contour of the seat’s
lumbar support to best support your back.
The thumbwheels for the driver’s and front
passenger’s seat are on the inner side of
the seat.
1Thumbwheel
Make sure the ignition is switched on.
All the lamps in the instrument cluster
should light up.
Set the lumbar support between 0
and 5.
Easy-entry / exit feature
With the easy-entry / exit feature activat-
ed, the steering wheel tilts upwards and
the driver’s seat moves to the rear.
This allows easier entry into and exit from
the vehicle when the driver’s door is
opened. However, the engine must be
turned off.
When the SmartKey is inserted in the start-
er switch or you have pressed the
KEYLESS-GO* start / stop button once and
the driver’s door is closed, the steering
wheel and the driver’s seat return to their
last set positions.You can activate the following functions:
Steering column:
Only the steering column is adjusted.
Steering column and seat:
Both the steering column and the seat
are adjusted.
The easy-entry / exit feature can be
switched on or off in the in the settings
menu of the control system (
page 140).
Warning!
G
You must make sure that no one can be-
come trapped or injured by the moving
steering wheel and driver’s seat when the
easy-entry / exit feature is activated, the
driver’s door is being opened, and the en-
gine is turned off or the SmartKey removed
from the starter switch. Do not leave chil-
dren unattended in the vehicle, or with ac-
cess to an unlocked vehicle. Unsupervised
use of vehicle equipment may cause an ac-
cident and/or serious personal injury.