201 Controls in detail
Retractable hardtop
Closing the retractable hardtop with
the SmartKey (Convenience feature)
Aim the transmitter eye at the door
handle.
Press and hold button ‹ until the
retractable hardtop is completely
closed.
The retractable hardtop and the side
windows close. In the tachometer dis-
play you will see the message Retractable roof Closed
.Problems when operating the
retractable hardtop
Indicator lamp in the retractable hard-
top switch is flashing
Several conditions may cause the indicator
lamp in the hardtop switch to flash when
activated:
The luggage cover in the trunk is not
closed.
Close the luggage cover in the
trunk.
The trunk lid is open.
Close the trunk lid.
The battery voltage is too low.
Start engine and let run while acti-
vating switch.
The hardtop drive system has shut it-
self down. For safety reasons, no more
than five consecutive attempts may be
made to raise or lower the hardtop.
After about ten minutes you may
again attempt to open or close the
retractable hardtop.
If the indicator lamp in the retractable
hardtop switch flashes when starting off or
while driving and you hear a warning sound
for a maximum of 10 seconds, the retract-
able hardtop is not locked.
Properly lock the retractable hardtop
(page 199) before continuing to
drive.
If the indicator lamp continues to flash af-
ter you have carried out the above actions,
there is a malfunction.
Have the retractable hardtop system
checked at an authorized
Mercedes-Benz Center.
Warning!
G
If the retractable hardtop does not com-
pletely open or close a warning sounds and
the retractable hardtop switch flashes. In
the speedometer display you will see K,
in the tachometer display you will see the
message
being lowered
. After about
15 seconds the roof hydraulics lose pres-
sure.
Properly lock the retractable hardtop
(
page 199) before continuing to drive.
231 Controls in detail
Useful features
Insert the mechanical key into the
glove box lock and turn it to
position3.
The following storage compartments
will be locked. They can then not be
opened with the SmartKey or with the
SmartKey with KEYLESS-GO*:
Glove box
Armrest storage compartments
Rear storage compartmentsUnlocking the storage compartments
separately
Turn the mechanical key in the glove
box lock to position1.
You can now open the storage com-
partments.
Parcel net in passenger footwellParcel net in trunk
There are three nets available in the trunk
to secure loads:
a pocket net on each side of the right
and left trunk side walls
a trunk floor net
Pull the trunk floor net from the trunk
back wall towards the front over the
luggage.
Hang the hooks of the net on the eyes
on the trunk floor.
iThe separate locking status of these
storage compartments can only be
canceled by means of the mechanical
key.
The storage compartments in the doors
cannot be locked.
Warning!
G
Do not place heavy or fragile objects, or ob-
jects having sharp edges, in the parcel net.
In an accident, during hard braking or sud-
den maneuvers, they could be thrown
around inside the vehicle, and cause injury
to vehicle occupants.
244 Controls in detailUseful features
Remote door unlock
In case you have locked your vehicle unin-
tentionally (e.g. SmartKey inside vehicle),
and the reserve SmartKey is not handy:
Contact the Mercedes-Benz Response
Center at 1-800-756-9018 (in the USA)
or 1-888-923-8367 (in Canada).
You will be asked to provide your pass-
word which you provided when you
completed the subscriber agreement.
Then return to your vehicle and pull the
trunk recessed handle for a minimum
of 20 seconds until the SOS button is
flashing.
The message
Call connected
appears
in the multifunction display.
As an alternative, you may unlock the vehi-
cle via Internet using the ID and password
sent to you shortly after the completion of
your acquaintance call.
iThe indicator lamp in the respective
button flashes until the call is conclud-
ed. Calls can only be terminated by a
Response Center or Customer Assis-
tance Center representative except
Roadside Assistance and Information
calls, which can also be terminated by
pressing button ì on the multifunc-
tion steering wheel or the respective
button for ending a telephone call on
the COMAND headunit.
iWhen a Tele Aid call has been initiated,
the COMAND system audio is muted
and the selected mode (radio or CD)
pauses. The optional cellular phone (if
installed) switches off. If you must use
this phone, the vehicle must be parked.
Disconnect the coiled cord and place
the call. The COMAND navigation sys-
tem (if engaged) will continue to run.
The display in the instrument cluster is
available for use and spoken com-
mands are only available by pressing
the RPT button on the COMAND unit. A
pop-up window will appear in the
COMAND display to indicate that a Tele
Aid call is in progress.
245 Controls in detail
Useful features
The Response Center will then unlock your
vehicle with the remote door unlocking
feature.Stolen Vehicle Recovery services
In the event your vehicle was stolen:
Report the incident to the police
The police will issue a numbered
incident report.
Pass this number on to the
Mercedes-Benz Response Center along
with your password issued to you when
you subscribed to the service.
The Response Center will then attempt
to covertly contact the vehicle’s Tele
Aid system. Once the vehicle is locat-
ed, the Response Center will contact
the local law enforcement and you. The
vehicle’s location will only be provided
to law enforcement.
iThe remote door unlock feature is avail-
able if the relevant cellular phone net-
work is available.
The SOS button will flash and the mes-
sage
Call connected
will appear in the
multifunction display to indicate re-
ceipt of the door unlock command.
Once the vehicle is unlocked, a
Response Center specialist will at-
tempt to establish voice contact with
the vehicle occupants.
If the trunk recessed handle was pulled
for more than 20 seconds before door
unlock authorization was received by
the Response Center, you must wait
15 minutes before pulling the trunk re-
cessed handle again.
iIf the anti-theft alarm or the tow-away
alarm stays on for more than
30 seconds, a call to the Response
Center is initiated automatically by the
Tele Aid system provided Tele Aid ser-
vice was subscribed to and properly ac-
tivated, and that necessary cellular
service and GPS coverage are avail-
able. See anti-theft alarm system
(page 88) and tow away alarm
(page 90).
375 Practical hints
Locking/unlocking in an emergency
Unlocking the trunk
A minimum height clearance of
6.2 ft (1.89 m) is required to open the
trunk lid.
If you are unable to unlock the trunk with
the SmartKey, open the trunk with the me-
chanical key.
The handle is located above the rear li-
cense plate recess.Trunk lid lock1Unlocking
2Handle
Insert the mechanical key into the
trunk lid lock.
Turn the mechanical key counterclock-
wise to position 1 and hold it in this
position.
Pull the trunk lid handle 2 and lift lid.Unlocking interior storage compart-
ments
Locking storage areas in the passenger
compartment include:
the glove box
the storage compartment under the
armrest
the rear storage compartments
If these cannot be unlocked by means of
the SmartKey, the SmartKey with
KEYLESS-GO*, or the central locking but-
ton, use the mechanical key to open the
glove box.
iUnlocking your vehicle with the me-
chanical key will trigger the anti-theft
alarm system. To cancel the alarm, do
one of the following:
Press button Œ or ‹on the
SmartKey.
Insert the SmartKey in the starter
switch.
Press the KEYLESS-GO* start/stop
button (
page 37).
Grasp the outside door handle (ve-
hicles with KEYLESS-GO* only).
iThe storage compartment under the
armrest and the rear storage compart-
ments can only be unlocked at the
glove box lock using the mechanical
key.
376 Practical hintsLocking/unlocking in an emergency1Separately unlock storage compart-
ments
2Centrally lock/unlock storage com-
partments
3Separately lock storage compartments
Slide mechanical key out of SmartKey
housing (
page 374).
Insert the mechanical key into the
glove box lock and turn it to
position2.
All storage compartments are now un-
locked.
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey, lock it with the mechanical
key as follows:
Close the passenger door and the trunk
lid.
Press the central locking switch in the
center console (
page 110).
Check to see whether the locking knob
on the passenger door is still visible. If
necessary push it down manually.
Slide the mechanical key out of the
SmartKey.
Lock the driver’s door with the me-
chanical key.
Lowering the load assist manually
If the load assist feature does not fully low-
er the retractable hardtop into the trunk
compartment and you are unable to close
the trunk lid, follow the instructions below.
1Hex-socket wrench
2Locking screw
Remove the trunk floor from the trunk.
Lift up the lid located at the lower left
side of the trunk.
Have a second person lift and hold the
retracted hardtop.
377 Practical hints
Locking/unlocking in an emergency
Using the hex-socket wrench provided
in the vehicle tool kit, carefully turn the
locking screw 2 approximately one
quarter turn.
Hook luggage cover into holders
(page 197).
Let go of the hardtop.
It should gradually lower into the trunk.
When top is completely lowered, return
locking screw 2 to its original posi-
tion.
Close the lid.
Replace the trunk floor.
Visit an authorized Mercedes-Benz
Center as soon as possible.Replacing batteries in the SmartKey/
SmartKey with KEYLESS-GO*
If the batteries in the SmartKey or the
SmartKey with KEYLESS-GO* are dis-
charged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an autho-
rized Mercedes-Benz Center.
Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.SmartKey
1Mechanical key
2Battery compartment
Replacement batteries: Lithium, type
CR 2025 or equivalent.
!Do not overtighten the screw.
Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
iWhen replacing batteries, always re-
place both batteries. The required re-
placement batteries are available at
any Mercedes-Benz Center.
385 Practical hints
Replacing bulbs
Replacing bulbs for rear lamps
Before you start to replace a bulb for a rear
lamp, do the following first:
Turn the exterior lamp switch to posi-
tion M (
page 123).
Open the trunk (
page 107).
Tail lamp unit
1Backup lamp
2Turn signal lamp
3Driver’s side: Rear fog lamp
Passenger’s side: Substitute lamp
Fold the trim to the side and remove it.
Turn the bulb socket counterclockwise
and pull it out.
Gently push the bulb into the socket,
turn it counterclockwise and remove it.
Insert the new bulb and reinstall the
bulb socket.
The bulb socket should audibly click
into place.
Reinstall the trim.License plate lamp
1Screws
Loosen both screws 1.
Remove the license plate lamp.
Replace the bulb.
Reinstall the license plate lamp.
Retighten screws 1.