Page 204 of 409

203 Controls in detail
Useful features
Power outlet
The power outlet is located on the left side
in the trunk.
1Power outlet
Switch on the ignition (
page 40).
Flip up cover and insert electrical plug
(cigar lighter type).
Telephone
The telephone is located in the center stor-
age compartment (
page 201).
!The lighter socket can accommodate
12V DC electrical accessories (up to a
maximum of 85 W) designed for use
with the standard “cigarette lighter”
plug type. Keep in mind, however, that
connecting accessories to the lighter
socket (for example extensive connect-
ing and disconnecting, or using plugs
that do not fit properly) can damage the
lighter socket. With the socket dam-
aged, the lighter may no longer be able
to be placed in the heating (pushed-in)
position, or the lighter may pop out too
early with the lighter not hot enough.
To help avoid damaging the cigarette
lighter socket, we recommend con-
necting 12V DC electrical accessories
designed for use with a standard “ciga-
rette lighter” plug type to the 12 V pow-
er outlets in your vehicle whenever
possible.
iThe power outlet can be used to ac-
commodate 12V DC electrical acces-
sories (e.g. air pump, auxiliary lamps)
up to a maximum of 180 W or as a bat-
tery charging point (
page 358).
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 personal
injury.
Page 205 of 409

204 Controls in detailUseful featuresRadio 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.You can take and place telephone calls us-
ing the í and ì buttons on the
steering wheel. To carry out other tele-
phone functions, use the control system
(
page 139).
See separate instruction manual for in-
structions on how to operate the tele-
phone.
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.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet
(approximately 14 m) every second.
1Observe all legal requirements.
iFor additional information on operating
the telephone using the audio system
head unit, see “Telephone operation”
(page 160).
iStandard Mercedes-Benz cellular
phone design shown, SLR phone de-
sign may vary.
Page 210 of 409

209 Controls in detail
Useful features
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 10 seconds or do not come on). The
message
Tele Aid – Drive to workshop
appears for approximately 10 seconds in
the multifunction display.Emergency calls
An emergency call is initiated
automatically following an accident in
which the emergency tensioning devices
(ETDs) or airbags have deployed.
An emergency call can also be initiated
manually by opening the cover next to the
inside rear view mirror labeled SOS, then
briefly pressing the button located under
the cover.
For more information, see “Initiating an
emergency call manually” (
page 211).
iWhen a Tele Aid call has been initiated,
the audio system is muted and the se-
lected mode (radio or CD) pauses. The
cellular phone (if installed) switches
off. If you must use this phone, we rec-
ommend that you use it only with the
vehicle at a standstill in a safe location.
Remove the phone from the cradle and
place the call. The multifunction display
in the instrument cluster is available for
use. After the Tele Aid call has ended,
the optional cellular phone switches on
again. A PIN entry might be necessary.
Warning!
G
If the indicator lamps in the SOS button, in
the Roadside Assistance button, and/or in
the Information button do not come on dur-
ing the system self-check, or if any of these
indicators remain illuminated continuously
in red and/or the message
Tele Aid -
Drive to workshop
is displayed in the
multifunction display after the system
self-check, a malfunction 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 211 of 409

210 Controls in detailUseful featuresOnce 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. When
the connection is established, the mes-
sage
Call connected
appears in the multi-
function display. All information relevant to
the emergency, such as the location of the
vehicle (determined by the GPS satellite lo-
cation system), vehicle model, identifica-
tion 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 acci-
dent 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.
Warning!
G
If the indicator lamp in the SOS button is
flashing continuously and there was no
voice connection to the Response Center
established, then the Tele Aid system could
not initiate an emergency call (e.g. the rele-
vant cellular phone network is not available).
The message
Call failed!
appears in the
multifunction display for approximately
10 seconds.
Should this occur, assistance must be sum-
moned by other means.
Page 212 of 409

211 Controls in detail
Useful features
Initiating an emergency call manually
1Cover
2SOS button
Briefly press on cover1.
The cover will open.
Press SOS button2 briefly.
The indicator lamp in SOS button2
will flash until the emergency call is
concluded.
Wait for a voice connection to the
Response Center.
Close cover1 after the emergency
call is concluded.Roadside Assistance button •
The Roadside Assistance button• is
located in the center armrest cover.
1Roadside Assistance button•
Open the center storage compartment
(page 201).
Press and hold the button1 (for long-
er than 2 seconds)
A call to a Mercedes-Benz Roadside
Assistance dispatcher will be initiated.
The button will flash while the call is in
progress. The message Connecting call
will appear in the
multifunction display.
Warning!
G
If you feel at any way in jeopardy when in the
vehicle (e.g. smoke or fire in the vehicle, ve-
hicle in a dangerous road location), please
do not wait for voice contact after you have
pressed the emergency button. Carefully
leave the vehicle and move to a safe loca-
tion. The Response Center will automatically
contact local emergency officials with the
vehicle’s approximate location if they re-
ceive an automatic SOS signal and cannot
make voice contact with the vehicle occu-
pants.
Page 217 of 409

216 Controls in detailUseful featuresGarage door opener
The integrated remote control is capable of
operating up to three separately controlled
devices. It provides a convenient way to re-
place up to three hand-held remote con-
trols used to operate devices such as
garage door openers, gate openers, or oth-
er devices compatible with HomeLink
® or
some other systems.
Before the integrated remote control can
be used, it must be programmed to the ga-
rage door opener, gate operator or other
device you wish to operate. See the follow-
ing instructions for programming informa-
tion.
Interior rear view mirror with integrated re-
mote control1Indicator lamp
2 3 4Signal transmitter button
Needed for programming (not part of vehi-
cle equipment):
5Hand-held remote control of ga-
rage door opener, gate operator
or other device
6Hand-held remote control but-
ton
Warning!
G
Before programming the integrated remote
control to a garage door opener or gate
operator, make sure people and objects are
out of the way of the device to prevent po-
tential harm or damage. When programming
a garage door opener, the door moves up or
down. When programming a gate operator,
the gate opens or closes.
Do not use the integrated remote control
with any garage door opener that lacks
safety stop and reverse features as required
by U.S. federal safety standards (this
includes any garage door opener model
manufactured before April 1, 1982).
A garage door that cannot detect an object
- signaling the door to stop and reverse -
does not meet current U.S. federal safety
standards.
Page 224 of 409
223 Controls in detail
Useful features
Floormats Installing
1Eyelet
2Retainer pins
Lay down the floormat.
Press eyelets 1 onto retainers pins2
in direction of arrow. Removing
Pull the floormats off retainers pins.
Remove the floormat.
Warning!
G
When you are using floormats, make sure
there is enough clearance and that the floor-
mats are securely fastened.
Floormats must always be securely fastened
using eyelets
1
and retainer pins
2
.
Before driving off, check that the floormats
are securely in place and adjust them if nec-
essary. A loose floormat could slip and
hinder proper functioning of the pedals.
Do not place two or more floormats on top
of each other.
Page 225 of 409
224 Controls in detailUseful featuresDust coverWarning!
G
Allow the engine to cool down completely
before slipping the dust cover on your vehi-
cle. Otherwise you could be seriously
burned when coming into contact with the
hot exhaust system.!To avoid damage to the vehicle and the
dust cover, observe the following:
Use the dust cover only when the
vehicle is garaged.
Cover the vehicle only when the en-
gine has cooled down completely.
The vehicle as well as the dust cov-
er must be dry before slipping the
dust cover on the vehicle.
Remove the padlock that serves as
an anti-theft device before slipping
the dust cover on or off
(page 226).
To avoid scratches, make sure the
zip fastener and the steel cable do
not come into contact with the vehi-
cle (
page 226).
Make sure the dust cover is clean
and dry before inserting it in the bag
provided with the dust cover.
iClean the dust cover according to the
care label on the inside of the dust cov-
er.