Page 104 of 458

102 Controls in detailLocking and unlockingOpening the trunk from the inside
You can open the trunk from the inside if 
the vehicle is stationary. 
A minimum height clearance of 6.3 ft 
(1.90 m) is required to open the trunk lid.
The switch is located on the driver’s door. 
1Indicator lamp
2Remote trunk lid switch
Pull remote trunk lid switch2 until 
trunk begins to open.
The trunk lid opens. The indicator 
lamp1 comes on and remains lit until 
the trunk is closed.Limiting opening height of trunk lid*
Vehicles with trunk lid opening/closing 
system*: 
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. 
Activate the limiting opening height of 
trunk lid using the control system 
(page 163).
!The trunk lid swings open upwards au-
tomatically. Always make sure that 
there is sufficient overhead clearance.
Vehicles with trunk lid opening/closing 
system*: To stop the opening proce-
dure, press or pull remote trunk lid 
switch2. iThe trunk can also be opened using 
buttonŠ on the SmartKey or 
SmartKey with KEYLESS-GO* or from 
its inside in an emergency, see “Trunk 
lid emergency release” (
page 109). 
     
        
        Page 105 of 458

103 Controls in detail
Locking and unlocking
Closing the trunk
Closing the trunk from the inside auto-
matically*
In vehicles with trunk lid opening/closing 
system* you can close the trunk from the 
inside using the remote trunk lid switch.
Press remote trunk lid switch 
(page 102) until the indicator lamp in 
the switch goes out and trunk lid is 
closed. 
To interrupt the closing procedure:
Release remote trunk lid switch.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 reopens slightly.iYou can also close the trunk by hand 
(page 104).
Warning!
G
Maintain sight of trunk area while operating 
door mounted switch. Monitor the closing 
procedure carefully to make sure no one is 
in danger of being injured. 
To interrupt the closing procedure, release 
the door mounted remote trunk lid switch.
Even with the SmartKey or the SmartKey 
with KEYLESS-GO* removed from the start-
er switch or the SmartKey with 
KEYLESS-GO* removed from the vehicle, 
the remote trunk lid switch can be operated. 
Therefore, 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. 
Warning!
G
Only drive with the trunk closed as, among 
other dangers such as visibility blockage, 
exhaust fumes may enter the vehicle interi-
or. 
     
        
        Page 106 of 458

104 Controls in detailLocking and unlockingClosing the trunk from the outside 
manually
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 en-
sures that the lid is pulled closed com-
pletely (
page 110).
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.
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, or 
with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment may 
cause an accident and/or serious personal 
injury.Warning!
G
Only drive with the trunk closed as, among 
other dangers such as visibility blockage, 
exhaust fumes may enter the vehicle interi-
or.
iDo not place the SmartKey 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 
SmartKey with KEYLESS-GO is recog-
nized inside the vehicle or in the trunk.iIf the vehicle was previously centrally 
locked, the trunk will lock automatical-
ly after closing it. The turn signals flash 
three times to confirm locking. 
     
        
        Page 107 of 458

105 Controls in detail
Locking and unlocking
Closing the trunk from the outside 
(vehicles without KEYLESS-GO*)
In vehicles with trunk lid opening/closing 
system* you can close the trunk separate-
ly from the outside using the trunk lid clos-
ing switch.
1Trunk lid closing switch
Press trunk lid closing switch1 brief-
ly.
The trunk lid closes.
If the trunk lid comes into contact with an 
object while closing (e.g. luggage that has 
been piled too high), the closing procedure 
is stopped and the trunk reopens slightly.iYou can also close the trunk by hand 
(page 104).
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 trunk opening when closing the trunk. 
Be especially careful when small children 
are around. To stop the closing procedure, 
do one of the following: 
press trunk lid closing switch1
press the Š button on the SmartKey
press the remote trunk lid switch (on the 
driver’s door)
Even with the SmartKey removed from the 
starter switch, the trunk lid closing switch 
can be operated. Therefore, 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 108 of 458

106 Controls in detailLocking and unlocking
Closing the trunk from the outside 
(vehicles with KEYLESS-GO*)
In vehicles with trunk lid opening/closing 
system* you can close the trunk separate-
ly from the outside using the trunk lid clos-
ing switch.
1Trunk lid closing switch
Make sure you have the SmartKey with 
KEYLESS-GO with you.
Press trunk lid closing switch1 brief-
ly.
The trunk lid closes. If the trunk lid comes into contact with an 
object while closing (e.g. luggage that has 
been piled too high), the closing procedure 
is stopped and the trunk reopens slightly.
Warning!
G
Only drive with the trunk closed as, among 
other dangers such as visibility blockage, 
exhaust fumes may enter the vehicle interi-
or.iDo not place the SmartKey in the open 
trunk. You may lock yourself out.iIf the vehicle was previously centrally 
locked, the trunk will lock automatical-
ly after closing it. The turn signals flash 
three times to confirm locking.
iYou can also close the trunk by hand 
(page 104).
iTo prevent a possible inadvertent lock-
out, the trunk lid will open automatical-
ly if a SmartKey with KEYLESS-GO is 
recognized inside the vehicle or in the 
trunk. 
     
        
        Page 109 of 458

107 Controls in detail
Locking and unlocking
Closing the trunk and locking the vehi-
cle from the outside (vehicles with 
KEYLESS-GO*)
In vehicles with trunk lid opening/closing 
system* and KEYLESS-GO, you can close 
the trunk lid 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.
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 trunk opening when closing the trunk. 
Be especially careful when small children 
are around. To stop the closing procedure, 
do one of the following:
press trunk lid closing switch1
press the Š button on the SmartKey 
with KEYLESS-GO
press the remote trunk lid switch (on the 
driver’s door)
Even with the SmartKey with KEYLESS-GO 
removed from the vehicle, the trunk lid clos-
ing switch can be operated. Therefore, do 
not leave children unattended in the vehicle, 
or with access to an unlocked vehicle. Unsu-
pervised use of vehicle equipment may 
cause an accident and/or serious personal 
injury. 
Warning!
G
Only drive with the trunk closed as, among 
other dangers such as visibility blockage, 
exhaust fumes may enter the vehicle interi-
or.iIf the vehicle was previously centrally 
locked, the trunk will lock automatical-
ly after closing it. The turn signals flash 
three times to confirm locking. 
     
        
        Page 110 of 458

108 Controls in detailLocking and unlocking
Press switch1 briefly.
The vehicle is locked and the trunk lid 
closes automatically. The turn signals 
flash three times to confirm locking. 
The locking knobs in the doors move 
down. The anti-theft alarm system is 
activated.
If the trunk lid comes into contact with an 
object while closing (e.g. luggage that has 
been piled too high), the closing procedure 
is stopped and the trunk reopens slightly.iYou can also close the trunk by hand 
(page 104).
iTo prevent a possible inadvertent lock-
out, the trunk lid will open automatical-
ly if a SmartKey with KEYLESS-GO is 
recognized inside the vehicle or in the 
trunk.
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 trunk opening when closing the trunk. 
Be especially careful when small children 
are around. To stop the closing procedure, 
do one of the following:
press KEYLESS-GO locking/closing 
switch1
press the Š button on the SmartKey 
with KEYLESS-GO
press the remote trunk lid switch (on the 
driver’s door)
Even with the SmartKey with KEYLESS-GO 
removed from the vehicle, the KEYLESS-GO 
locking/closing switch can be operated. 
Therefore, 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. 
Warning!
G
Only drive with the trunk closed as, among 
other dangers such as visibility blockage, 
exhaust fumes may enter the vehicle interi-
or. 
     
        
        Page 111 of 458

109 Controls in detail
Locking and unlocking
Trunk lid emergency release
The emergency release button is located 
on the inside of the trunk lid.
1Emergency release button
Briefly press emergency release 
button1.
The trunk unlocks and the trunk lid 
opens.Illumination of the emergency release but-
ton:
The button will flash for 30 minutes af-
ter opening the trunk.
The button will flash for 60 minutes af-
ter closing the trunk.iThe emergency release button unlocks 
and opens the trunk while the vehicle is 
standing still or in motion.iThe 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, do one of the fol-
lowing:
Insert the SmartKey in the starter 
switch.
Press button Œ or ‹ on the 
SmartKey.
In vehicles with KEYLESS-GO*:
Grasp the outside door handle.
The SmartKey with KEYLESS-GO 
must be within 3 ft. (1 m) of the ve-
hicle.
Press the KEYLESS-GO* start/stop 
button (
page 35).
The SmartKey with KEYLESS-GO 
must be inside the vehicle.