266 Controls in detailDriving systemsEach warning indicator is divided into five
yellow and two red segments for either
side of the vehicle. The Parktronic system
is operational when the yellow readiness
indicators3 are illuminated.
The position of the gear selector lever de-
termines which warning indicators will be
activated.
As your vehicle approaches an object, one
or more segments will come on, depending
on the distance. When the seventh seg-
ment illuminates, you have reached the
minimum distance.
Front area: An intermittent acoustic
warning will sound as the first red dis-
tance segment illuminates and a con-
stant acoustic warning lasting a
maximum of 2 seconds will sound for
the second red distance segment. The
signal is canceled when the gear selec-
tor lever is placed in positionP or the
parking brake is activated.
Rear area: An intermittent acoustic
warning will sound as the first red dis-
tance segment illuminates and a con-
stant acoustic warning lasting a
maximum of 2 seconds will sound for
the second red distance segment. The
signal is canceled when the gear selec-
tor lever is placed in position D,P or
the parking brake is activated.Switching the Parktronic system
on/off
The Parktronic system can be switched off
manually.
The Parktronic switch is located in the low-
er part of the center console (
page 28).
1Parktronic switch
2Indicator lamp
Gear selector
lever position
Warning indicator
D
Front area activated
R or N
Front and rear area
activated
P
Neither activated
267 Controls in detail
Driving systems
Switching off the Parktronic system
Press Parktronic switch 1.
Indicator lamp 2 comes on.
Switching on the Parktronic system
Press Parktronic switch 1 again.
Indicator lamp 2 goes out.
Parktronic system malfunction
If only the red distance segments illumi-
nates and an acoustic warning sounds,
there is a malfunction in the Parktronic
system. The Parktronic system will auto-
matically switch off after 20 seconds and
the indicator lamp in the Parktronic switch
comes on.
Have the Parktronic system checked
by an authorized Mercedes-Benz Cen-
ter as soon as possible.If only the red distance segments illumi-
nates and no acoustic warning sounds, the
Parktronic system sensors are dirty or
there is an interference from other radio or
ultrasonic signals. The Parktronic system
will automatically switch off after 20 sec-
onds and the indicator lamp in the Park-
tronic switch comes on.
Switch off the ignition (
page 36).
Clean the Parktronic system sensors
(page 368).
Switch on the ignition (
page 36).
or
Check the Parktronic system operation
at another location to rule out interfer-
ence from outside radio or ultrasonic
signals.
iThe Parktronic system is automatically
switched on when the ignition is
switched on (
page 36).
283 Controls in detail
Useful features
Power outlet
The power outlet is located in the rear pas-
senger compartment.
Switch on the ignition (
page 36).
Flip up cover and insert electrical plug
(cigarette lighter type).
Heated steering wheel*
The steering wheel heating warms up the
leather area of the steering wheel.
The stalk is on the lower left-hand side of
the steering wheel.
1Indicator lamp
2Switching off
3Switching onSwitching on
Switch on the ignition (
page 36).
Turn switch at the tip of stalk in direc-
tion of arrow3.
The steering wheel is heated. Indicator
lamp1 comes on.
iThe power outlet can be used to
accommodate 12V DC electrical ac-
cessories (e.g. air pump, auxiliary
lamps) up to a maximum of 180 W.
An additional power outlet is located on
the left side in the trunk.
iThe steering wheel heating is tempo-
rarily suspended while indicator
lamp1 remains on when
the temperature of the vehicle inte-
rior is above 86°F (30°C)
the temperature of the steering
wheel is above 95°F (35°C)
When these conditions do not apply
anymore, steering wheel heating con-
tinues.
284 Controls in detailUseful featuresSwitching off
Turn switch at the tip of stalk in direc-
tion of arrow2.
The heated steering wheel is switched
off. Indicator lamp1 goes out.
For information on steering wheel, see
“Multifunction steering wheel”
(
page 154).
Floormats
1Retainer pin
2Eyelet
Removing
Pull floormat off of retainer pins1.
Remove the floormat.
Installing
Lay down the floormat.
Press the floormat eyelets2 onto re-
tainer pins1.
iIndicator lamp1 flashes or goes out
in case of power surge or undervolt-
age
in case of a steering wheel heating
malfunction
iThe steering wheel heating switches off
automatically when you remove the
SmartKey from the starter switch or, on
vehicles with KEYLESS-GO*, when you
switch off the ignition (
page 62) and
open the driver’s door.
iTo install or remove the floormat more
easily, move the driver’s seat or front
passenger seat as far to the rear as
possible (
page 41).
Warning!
G
Whenever you are using floormats, make
sure there is enough clearance and that the
floormats are securely fastened.
Floormats should always be securely fas-
tened using eyelets 2 and retainer pins1.
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.
286 Controls in detailUseful featuresTele Aid
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.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
The 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.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
!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
button¡. Failure to complete either
of these steps will result in a system
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).
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.
287 Controls in detail
Useful features
than 10 seconds or do not come on).
The message
Tele Aid malfunction
Drive to workshop
appears in the multi-
function display.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 288) 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.
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.
288 Controls in detailUseful featuresThe 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
CenterInitiating 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 Re-
sponse Center.
Close cover after the emergency call is
concluded.
iLocation 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.
290 Controls in detailUseful features
Information button¡
The Information button¡ is located be-
low the center armrest cover.
Press and hold button (for longer than
2 seconds).
A call to the Customer Assistance Cen-
ter will be initiated. The button will
flash while the call is in progress. The
message
Connecting call
will appear
in the multifunction display and the au-
dio system is muted.
When the connection is established, the
message
Call connected
appears in the
multifunction display. The Tele Aid system
will transmit data generating the vehicle
identification number, model, color and lo-
cation (subject to availability of cellular
and GPS signals).A voice connection between the Customer
Assistance Center representative and the
occupants of the vehicle will be estab-
lished. Information regarding the operation
of your vehicle, the nearest authorized
Mercedes-Benz Center or Mercedes-Benz
USA products and services is available to
you.
For more details concerning the Tele Aid
system, please visit www.mbusa.com and
use your ID and password (sent to you sep-
arately) to learn more (USA only).
iThe indicator lamp on the Roadside As-
sistance button• remains illumi-
nated in red for approximately
10 seconds during the system
self-check after switching on the igni-
tion (together with the SOS button and
the Information button¡).
See system self-check (
page 286)
when the indicator lamp does not come
on in red or stays on longer than ap-
proximately 10 seconds.
If the indicator lamp on the Roadside
Assistance button• is flashing con-
tinuously and there was no voice con-
nection to the Response Center
established, then the Tele Aid system
could not initiate a Roadside Assis-
tance call (e.g. the relevant cellular
phone network is not available). The
message
Call failed
appears in the
multifunction display.
Roadside Assistance calls can be ter-
minated using button t on the mul-
tifunction steering wheel or the
respective button for ending a tele-
phone call on the COMAND headunit.
iThe indicator lamp on the Information
button¡ remains illuminated in red
for approximately 10 seconds during
the system self-check after switching
on the ignition (together with the SOS
button and the Roadside Assistance
button•).