Page 245 of 442
245 Controls in detail
Useful features
To open air vent slide the lever up.
To close air vent slide the lever down.Storage compartment in the rear cen-
ter console
Briefly press the top of the compart-
ment.
It extends automatically.Ruffled storage bags
Ruffled storage bags are located on the 
back of the front seats.
iThe compartment can get very warm 
due to its confined space. When storing 
heat sensitive objects (e.g. groceries) 
in the compartment, close the air vent 
while heating the passenger compart-
ment 
Warning!
G
The ruffled storage bag is intended for stor-
ing light-weight items only.
Heavy objects, objects with sharp edges or 
fragile objects may not be transported in the 
ruffled storage bag.
The ruffled storage bag cannot protect 
transported goods in the event of an acci-
dent. 
         
        
        
     
        
        Page 246 of 442
246 Controls in detailUseful featuresStorage compartment in the rear arm-
rest
Press the handle upward and fold the 
armrest up.Rear cup holder
Briefly press the front of the center 
armrest.
The cup holder extends automatically.
Ashtrays
Center console ashtray
Opening ashtray
Briefly press the marking on the bot-
tom of cover1.
The ashtray opens automatically.
Warning!
G
When not in use, keep the cup holder closed 
while traveling. Place only containers that fit 
into the cup holder to prevent spills. Use lids 
on open containers and do not fill containers 
to a height where the contents, especially 
hot liquids, could spill during vehicle maneu-
vers.
iA small rubber mat is located in the 
glove box. If you wish to store 
coins / tokens, remove the ashtray in-
sert and insert the rubber mat in its 
place. Empty ashtray insert and store 
         
        
        
     
        
        Page 247 of 442

247 Controls in detail
Useful features
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 ashtrayOpening rear seat ashtray
Briefly press the top of the ashtray.
The ashtray opens.
Cigarette lighter
The cigarette lighter is located in the cen-
ter console compartment in front of the 
armrest (
page 26).
1Cigarette lighter
Turn ignition on.
Push in cigarette lighter1.
The lighter will pop out automatically 
when hot. it in a convenient location in the vehi-
cle.
Warning!
G
Only use rubber mat in conjunction with 
storing coins / tokens. Always remove rub-
ber mat and / or all other contents and rein-
sert ashtray insert before placing hot 
cigarettes or other hot smoking materials in 
this compartment.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 248 of 442
248 Controls in detailUseful features
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.
Heated 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 on
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 from the starter switch, take the 
SmartKey with KEYLESS-GO* with you, and 
lock your vehicle. Do not leave children un-
attended in the vehicle, or with access to an 
unlocked vehicle. Unsupervised use of vehi-
cle 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. 
         
        
        
     
        
        Page 249 of 442

249 Controls in detail
Useful features
Switching on
Switch on ignition.
All lamps in the instrument cluster 
come on.
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.
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 per-
mit.
1Observe all legal requirements.
 
         
        
        
     
        
        Page 250 of 442

250 Controls in detailUseful featuresYou 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 129).
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
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.
To activate, press the SOS button, the 
Roadside Assistance button• or 
the Information button¡, depend-
ing on the type of response required.
Bear in mind that at a speed of just 30 mph 
(approximately 50 km / h), your vehicle is 
covering a distance of approximately 
44 feet (approximately 13.5 m) every sec-
ond.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 
SOS button. Failure to complete either 
of these steps will result in a system 
that is not activated. If the system is 
not activated, the indicator lamp in the 
SOS button stays on after turning the 
SmartKey in starter switch to 
position2, or pressing the 
KEYLESS-GO* start/stop button twice 
to position2. The message 
Tele Aid – 
not activated
 will be shown in the 
multifunction display for approximately 
10 seconds.
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 251 of 442

251 Controls in detail
Useful features
Shortly after the completion of your ac-
quaintance call, you will receive a user ID 
and password via first call mail. 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 turning the ignition on, mal-
functions 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 – VISIT WORKSHOP!
 ap-
pears for approximately 10 seconds 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.
!The Tele Aid system utilizes the cellular 
network for communication and the 
GPS (Global Positioning System) 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 - VISIT 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 253 of 442

253 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 Re-
sponse Center.
Close cover after the emergency call is 
concluded.
Warning!
G
If the indicator lamp in the SOS button is il-
luminated 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 
EMERGENCY CALL – 
CALL FAILED appears in the multifunction 
display for approximately 10 seconds.
Should this occur, assistance must be sum-
moned by other means.
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.