282 Controls in detailUseful featuresInitiating 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 below the center armrest cover.
Press and hold the •button (for
longer than two 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 and the audio
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 Roadside
Assistance dispatcher and the occupants
of the vehicle will be established.
Describe the nature of the need for as-
sistance.
Warning!
G
If you feel at any way in jeopardy when in the
vehicle (e.g. smoke or fire in the vehicle,
vehicle 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
receive an automatic SOS signal and cannot
make voice contact with the vehicle
occupants.
283 Controls in detail
Useful features
The Mercedes-Benz Roadside Assistance
dispatcher will either dispatch a qualified
Mercedes-Benz technician or arrange to
tow your vehicle to the nearest authorized
Mercedes-Benz Center. For services such
as labor and/or towing, charges may
apply. Refer to the Roadside Assistance
manual for more information.
The following is only available in the USA:
Sign and Drive services: Services such
as jump start, a few gallons of fuel or
the replacement of a flat tire with the
vehicle spare tire are obtainable.Information button¡
The Information button¡ is located
below the center armrest cover.
Press and hold the ¡button (for
longer than two seconds).
A call to the Customer Assistance
Center 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
audio 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
location (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
established. Information regarding the
operation of your vehicle, the nearest
iThe indicator lamp on the Roadside
Assistance button• remains illumi-
nated in red for approximately ten
seconds during the system self-check
after switching on the ignition (together
with the SOS button and the Informa-
tion button¡).
See system self-check (
page 280)
when the indicator lamp does not come
on in red or stays on longer than
approximately ten seconds.
If the indicator lamp on the Roadside
Assistance button• is flashing
continuously and there was no voice
connection 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
terminated using the tbutton on
the multifunction steering wheel or the
respective button for ending a
telephone call on the audio system or
the COMAND* head unit.
284 Controls in detailUseful featuresMercedes-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
separately) to learn more (USA only).
iThe indicator lamp on the Information
button¡ remains illuminated in red
for approximately ten seconds during
the system self-check after switching
on the ignition (together with the SOS
button and the Roadside Assistance
button•).
See System self-check (
page 280)
when the indicator lamp does not come
on in red or stays on longer than
approximately ten seconds.
If the indicator lamp on the Information
button¡ is flashing continuously
and there was no voice connection to
the Response Center established, then
the Tele Aid system could not initiate
an Information call (e.g. the relevant
cellular phone network is not
available). The message
Call failed
appears in the multifunction display.
Information calls can be terminated
using the tbutton on the
multifunction steering wheel or the
respective button for ending a
telephone call on the audio system or
the COMAND* head unit.
!If the indicator lamps do not start flash-
ing after pressing one of the buttons or
remain illuminated (in red) at any time,
the Tele Aid system has detected a
malfunction or the service is not
currently active, and may not initiate a
call. Visit an Mercedes-Benz Center
and have the system checked or con-
tact the Response Center at
1-800-756-9018 (in the USA) or
1-888-923-8367 (in Canada) as soon
as possible.
285 Controls in detail
Useful features
Call priority
If other service calls such as a Roadside
Assistance call or Information call are ac-
tive, an Emergency call is still possible. In
this case, the Emergency call will take pri-
ority and override all other active calls.
iThe indicator lamp in the respective
button flashes until the call is con-
cluded. Calls can only be terminated by
a Response Center or Customer
Assistance Center representative
except Roadside Assistance and
Information calls, which can also be
terminated by pressing buttonton
the multifunction steering wheel or the
respective button for ending a
telephone call on the audio system or
the COMAND* head unit.
!If the indicator lamp continues to flash
or the system does not reset, contact
the Response Center at
1-800-756-9018 (in the USA), or
1-888-923-8367 (in Canada), or
Mercedes-Benz Customer Assistance
at 1-800-FOR-MERCedes
(1-800-367-6372) in the USA, or
Customer Service at 1-800-387-0100
in Canada.
iWhen a Tele Aid call has been initiated,
the audio system or 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
system (if engaged) will continue to
run. The display in the instrument
cluster is available for use, and spoken
commands are only available by press-
ing the RPT button on the COMAND*
head unit. A pop-up window will appear
in the COMAND* display to indicate
that a Tele Aid call is in progress.
467 Index
A
ABS 25, 87, 461
Malfunction indicator lamp 360
Messages in display 372
Accelerator position, automatic
transmission 174
Accessory weight 342
Accident 56
Active head restraints 73
Resetting 408
Air bags 63
Children 74
Front passenger
front air bag off indicator lamp 81
Front side impact air bags 68
Front, Driver 67
Front, Passenger 67
Occupant Classification System
(OCS) 77
Rear side impact air bags* 68
Safety guidelines 66
Window curtain 68Air conditioning refrigerant 454
Air conditioning system see
Climate control system
Air conditioning, Cooling 194, 206
Air distribution 190, 201
Air pressure see Tires, Inflation pressure
Air recirculation mode 192, 203
Air vents 195, 208
Air volume 190, 201
Alarm system see Anti-theft systems
Alignment bolt
(vehicle tool kit) 398, 423, 461
Anticorrosion/antifreeze 457, 458
Antiglare, Rear view mirror 180, 181
Antilock Brake System see ABS
Anti-theft systems 93
Anti-theft alarm system 93
Immobilizer 93
Tow-away alarm* 95
Aquaplaning see Hydroplaning
Armrest 271, 272
Storage box 269
Ashtrays 274, 275Aspect ratio 342
ATF 313
AUDIO menu 149
CD player CD, MP3-CD 150
Radio station 149
Radio station (satellite*) 149
Audio system 209
Button and soft key operation 212
CD changer* 227
CD operation 225
Emergency calls "911" 244
Operating and display elements 210
Operating audio system 209
Operating safety 209
Radio operation 216
Sound system* 213
Switching on/off 212
Telephone* operation 209, 231
Auto-dimming, Rear view mirror 181
Automatic central locking,
Control system 120, 163
Automatic climate control see
Climate control system
Automatic headlamp mode see Headlamps
Automatic lighting control,
Interior lighting 138
470 IndexCockpit Management and Data System
see COMAND*
Cold tire inflation pressure 342
Collapsible wheel chock 398, 401
COMAND* 461
COMAND* see separate
COMAND operating instructions
Combination switch 52, 135
Control system 143, 461
Functions 145
Multifunction display 144
Multifunction steering wheel 144
Resetting to factory default 152
Control system menus 146, 463
AUDIO 149
NAV* 150
Settings 152
Settings, Submenus 153
Standard display 148
Submenus 145
TEL* 167
Trip computer 165
Vehicle status message memory 151Control system submenus 145, 147, 154
Convenience 164
Instrument cluster 155
Lighting 160
Time/Date 157
Vehicle 163
Controller Area Network see CAN system
Coolant 314, 457
Adding 314
Anticorrosion/antifreeze
mixing ratio and quantity 457
Capacities 453
Checking coolant level 314
Messages in display 384–386
Temperature 304
Temperature indicator 141
Warning lamp 364
Corner-illuminating front fog lamps* 135
Replacing bulbs 412Cruise control 254, 462
Canceling 256
Cruise control lever 254
Current speed 255
Fine adjustment 257
Higher speed 257
Last stored speed
("Resume" function) 257
Slower speed 257
Cup holder 273
Curb weight 342
Customer Assistance Center see CAC