Page 268 of 506
266 Controls in detailUseful features1Left cup holder
2Right cup holder
Removing cup holder
Take out the cup holder.
Using two fingers in the horizontal slot
at the upper rear side of the cup holder,
lift cup holder upwards to remove.Storage compartment with cup holder
in the center armrest
The storage compartment in the center
armrest contains a removable dual cup
holder.
Opening storage compartment
1Cover
Slide cover1 in direction of arrow2.
Cup holder in the center armrest3Dual cup holder
4Telephone* compartment
Closing storage compartment
Slide cover1 back.iThe cup holder can be removed to in-
crease storage space and for cleaning.
Clean the cup holder only with clear,
lukewarm water.
Make sure to insert the cup holder in
the guides when reinstalling it
(page 267).
Page 269 of 506
267 Controls in detail
Useful features
Removing cup holder
1Cup holder
2Locking pins
Move both locking pins2 in direction
of arrow.
Take cup holder out upward.Reinstalling cup holder
3Locking pins
Insert cup holder.
Move both locking pins3 in direction
of arrow.Rear cup holder
Briefly press the front of the rear arm-
rest.
The cup holder extends automatically.
Page 270 of 506
268 Controls in detailUseful featuresAshtrays
Center console ashtray
Opening ashtray
Briefly press the marking on the bot-
tom of cover1.
The ashtray opens automatically.Removing ashtray insert
Secure vehicle from movement by set-
ting the parking brake. Move the gear
selector lever to positionN.
Now you have more room to take out
the insert.
Push sliding button2 to the right and
hold.
Grip and remove insert from ashtray
frame.Reinstalling ashtray insert
Install insert by pushing it back into
frame until it engages again.
Rear seat ashtray
Opening rear seat ashtray
Briefly press the top of the ashtray.
The ashtray opens.
Warning!
G
Remove front ashtray only with vehicle
standing still. Set the parking brake to se-
cure vehicle from movement. Move gear se-
lector lever to positionN. With gear selector
lever in positionN, turn off the engine.
Page 271 of 506

269 Controls in detail
Useful features
Cigarette lighter
The cigarette lighter is located in the cen-
ter console compartment in front of the
center armrest (
page 28).
1Cigarette lighter
Switch on the ignition (
page 33).
Push in cigarette lighter1.
The lighter will pop out automatically
when hot.
12-V socket*
The socket is located in the rear of the cen-
ter console storage compartment.
The socket can be used for accessories up
to a maximum of 180 W.
Warning!
G
Never touch the heating element or sides of
the lighter; they are extremely hot. Hold the
knob only.
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.iThe lighter socket can be used to ac-
commodate electrical accessories up
to a maximum 85 W.
iAn additional socket is located in the
trunk.
Page 272 of 506

270 Controls in detailUseful featuresHeated steering wheel*
The steering wheel heating warms up the
leather area of the steering wheel.
The stalk with the heated steering wheel
switch is on the lower left-hand side of the
steering wheel.
1Indicator lamp
2Switching off
3Switching onSwitching on
Switch on the ignition (
page 33).
Turn switch at the tip of stalk in the di-
rection of arrow3.
The steering wheel is heated. Indicator
lamp1 comes on.
Switching off
Turn switch at the tip of stalk in direc-
tion of arrow2.
The heated steering wheel is turned off.
Indicator lamp1 goes out.
Telephone*
Radio transmitters, such as a portable tele-
phone or a citizens band unit, should only
be used inside the vehicle if they are con-
nected to an antenna that is installed on
the outside of the vehicle.
The external antenna must be approved by
Mercedes-Benz. Please contact an autho-
rized Mercedes-Benz Center for informa-
tion on the installation of an approved
external antenna. Refer to the radio trans-
mitter operation instructions regarding use
of an external antenna.
iThe steering wheel heating does not
turn off automatically.
Warning!
G
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system, pos-
sibly resulting in an accident and/or serious
personal injury.
Page 273 of 506

271 Controls in detail
Useful features
You can take and place telephone calls us-
ing thes andt buttons on the
steering wheel. To carry out other tele-
phone functions, use the control system
(page 171).
See separate operating manual for instruc-
tions on how to use the telephone.
Tele Aid*
The Tele Aid system
(Tele
matic A
larm I
dentification on D
e-
mand)
The Tele Aid system consists of three
types of response:
automatic and manual emergency
roadside assistance and
information
Warning!
G
Please do not forget that your primary re-
sponsibility is to drive the vehicle. A driver’s
attention to the road must always be
his/her primary focus when driving. For
your safety and the safety of others, we rec-
ommend that you pull over to a safe location
and stop before placing or taking a tele-
phone call.
If you choose to use the telephone
1 while
driving, please use the hands-free device
and only use the telephone when road,
weather and traffic conditions permit. Some
jurisdictions prohibit the driver from using a
cellular telephone while driving a vehicle.
Only operate the COMAND (Cockpit Man-
agement and Data System) if road, weather
and traffic conditions permit.
1Observe all legal requirements.
Bear in mind that at a speed of just 30 mph
(approximately 50 km /h), your vehicle is
covering a distance of 44 feet (approximate-
ly 14 m) every second.Warning!
G
Some jurisdictions prohibit the driver from
using a cellular telephone while driving a ve-
hicle. Whether or not prohibited by law, for
safety reasons, the driver should not use the
cellular telephone while the vehicle is in mo-
tion.
Stop the vehicle in a safe location before an-
swering or placing a call.
!The initial activation of the Tele Aid sys-
tem may only be performed by com-
pleting the subscriber agreement and
placing an acquaintance call using
the¡button. Failure to complete
either of these steps will result in a sys-
tem that is not activated.
If you have any questions regarding ac-
tivation, please call the Response Cen-
ter at 1-800-756-9018 (in the USA) or
1-888-923-8367 (in Canada).
Page 274 of 506

272 Controls in detailUseful featuresThe Tele Aid system is operational provid-
ing that the vehicle’s battery is charged,
properly connected, not damaged and cel-
lular and GPS coverage is available.
The speaker volume of a Tele Aid call can
be adjusted when using the volume control
on the multifunction steering wheel. To
raise, press buttonæ and to lower,
press buttonç or use the volume knob
on your COMAND headunit.
To activate, press the SOS button, the
Roadside Assistance button• or
the Information button¡, depend-
ing on the type of response required.Shortly after the completion of your
Tele Aid acquaintance call, you will receive
a user ID and password. By visiting
www.mbusa.com and selecting “Tele Aid”
(USA only), you will have access to account
information, remote door unlock and
more.
System self-check
Initially, after switching on the ignition,
malfunctions are detected and indicated
(the indicator lamps in the SOS button, the
Roadside Assistance button• and the
Information button¡ stay on longer
than ten seconds or do not come on). The message
TELE AID malfunction – Drive
to workshop
appears in the multifunction
display.
iThe SOS button is located above the in-
terior rear view mirror.
The Roadside Assistance button•
and the Information button¡ are
located below the center armrest cov-
er.
iThe Tele Aid system utilizes the cellular
network for communication and the
GPS (G
lobal P
ositioning S
ystem) satel-
lites for vehicle location. If either of
these signals are unavailable, the
Tele Aid system may not function and if
this occurs, assistance must be sum-
moned by other means.
Warning!
G
If the indicator lamps in the SOS button, in
the Roadside Assistance button and/or in
the Information button remain illuminated
constantly in red and/or the message TELE AID malfunction – Drive to
workshop
is displayed in the multifunction
display after the system self-check, a mal-
function in the system has been detected.
If a malfunction is indicated as outlined
above, the system may not operate as ex-
pected. Have the system checked at the
nearest Mercedes-Benz Center as soon as
possible.
Page 275 of 506

273 Controls in detail
Useful features
Emergency calls
An emergency call is initiated automatical-
ly following an accident in which the emer-
gency tensioning devices (ETDs) or
air bags deploy.
An emergency call can also be initiated
manually by opening the cover next to the
interior rear view mirror labeled SOS, then
briefly pressing the button located under
the cover. See (
page 274) for instruc-
tions on initiating an emergency call man-
ually.
Once the emergency call is in progress, the
indicator lamp in the SOS button will begin
to flash. The message
Connecting call
appears in the multifunction display and
the audio system is muted. When the con-
nection is established, the message
Call connected
appears in the multifunc-
tion display. All information relevant to the
emergency, such as the location of the ve-
hicle (determined by the GPS satellite loca-
tion system), vehicle model, identification
number and color are generated.A voice connection between the Response
Center and the occupants of the vehicle
will be established automatically soon af-
ter the emergency call has been initiated.
The Response Center will attempt to deter-
mine more precisely the nature of the
emergency provided they can speak to an
occupant of the vehicle.The Tele Aid system is available if
it has been activated and is operation-
al. Activation requires a subscription
for monitoring services, connection
and cellular air time
the relevant cellular phone network
and GPS signals are available and pass
the information on to the Response
CenteriLocation of the vehicle on a map is only
possible if the vehicle is able to receive
signals from the GPS satellite network
and pass the information on to the
Response Center.