
228 Tele Aid
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Tele Aid (optional)
Important!
The initial activation of the Tele Aid system may only be 
performed by completing 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 electronic key in starter switch to 
position 2 and the message “TELE AID – NOT 
ACTIVATED” will be shown in the multifunction display 
for approx. 10 seconds.
If you have any questions regarding activation, please 
call the Response Center at 1-800-756-9018 (in the USA) 
or 1-888-923-8367 (in Canada).
(Te l ematic Alarm Identification on Demand)
The Tele Aid system consists of three types of response; 
automatic and manual emergency, roadside assistance 
and information.
The Tele Aid system is operational providing that the 
vehicle’s battery is charged, properly connected, not 
damaged and cellular 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, for raising press buttonæand for 
lowering press buttonç.
To activate, press the “SOS” button, the Roadside 
Assistance button or the Information button¡, 
depending on the type of response required.
Shortly after the completion of your Acquaintance 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, Info Services
* profile 
and more.
* Optional (available only with COMAND)System self-check
Initially, after turning the electronic key in starter 
switch to position 2, 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 – VISIT 
WORKSHOP” appears for approx. 10 seconds in the 
multifunction display.  

230 Tele Aid
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
The Tele Aid system is available if:
•it has been activated and is operational. Activation 
requires a subscription for monitoring services and 
cellular air time
•the relevant cellular phone network and GPS signals 
are available and pass the information on to the 
response center.
Note:
Location of the vehicle on a map is possible if the 
vehicle is able to receive signals from the GPS satellite 
network and pass the information on to the response 
center.
Wa r n i n g !
If the indicator lamp in the “SOS” button is 
illuminated 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 relevant cellular phone 
network is not available). The message 
“EMERGENCY CALL – CALL FAILED” appears in 
the multifunction display for approx. 10 seconds.Should this occur, assistance must be summoned 
by other means. 

232 Tele Aid
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Roadside Assistance button 
Located below the center armrest cover is the Roadside 
Assistance button. Pressing and holding the 
button (for longer than 2 seconds) will initiate a call to a 
Mercedes-Benz Roadside Assistance dispatcher. The 
button will flash while the call is in progress. The 
message “ROADSIDE ASSISTANCE – CONNECTING 
CALL” will appear in the multifunction display. When 
the connection is established, the message “ROADSIDE 
ASSISTANCE – 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 Roadside Assistance 
dispatcher and the occupants of the vehicle will be 
established. When a voice connection is established the 
audio system mutes and the message “TELE AID – 
ROADSIDE ASSISTANCE CALL ACTIVE” appears in the 
multifunction display. The nature of the need for 
assistance can then be described. The Mercedes-Benz 
Roadside assistance dispatcher will either dispatch a 
qualified Mercedes-Benz technician or arrange to tow 
your vehicle to the nearest Mercedes-Benz Center. 
For services such as labor and/or towing charges may 
apply. Refer to the Roadside Assistance manual for more 
information.
These programs are 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,
•Remote Vehicle Diagnostics: This function permits 
the Mercedes-Benz Roadside Assistance dispatcher 
to download malfunction codes and actual vehicle 
data.
Wa r n i n 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 location. 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. 

233 Tele Aid
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Notes:
The indicator lamp in the Roadside Assistance
button remains illuminated in red for approx. 
10 seconds during the system self-check after turning 
electronic key in starter switch to position 2 (together 
with the “SOS” button and the Information 
button¡).
See system self-check on page 228 when the indicator 
lamp does not light up in red or stays on longer than 
approximately 10 seconds.
If the indicator lamp in the Roadside Assistance
button is illuminated continuously and there was 
no voice connection to the Response Center established, 
then the Tele Aid system could not initiate an Roadside 
Assistance call (e.g. the relevant cellular phone network 
is not available). The message “ROADSIDE 
ASSISTANCE – CALL FAILED” appears in the 
multifunction display.
Roadside Assistance calls can be terminated using the 
ìbutton on the multifunction steering wheel.Information button ¡
Located below the center armrest cover is the 
Information button¡. Pressing and holding the 
button (for longer than 2 seconds) will initiate a call to 
the Customer Assistance Center. The button will flash 
while the call is in progress. The message “INFO – 
CONNECTING CALL” will appear in the multifunction 
display. When the connection is established, the 
message “INFO – 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. When a voice connection is 
established the audio system mutes and the message 
“TELE AID – INFO CALL ACTIVE” appears in the 
multifunction display. Information regarding the 
operation of your vehicle, the nearest Mercedes-Benz 
Center or Mercedes-Benz USA products and services is 
ava i l ab le  to  yo u .
For more details concerning Tele Aid, please visit 
www.mbusa.com and use your ID and password, sent to 
you separately, to learn more (USA only). 

237 Tele Aid
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Stolen vehicle tracking services
In the event your vehicle was stolen, report the incident 
to the police who will issue a numbered incident report. 
Pass this number on to the Mercedes-Benz Response 
Center.
The Response Center will then attempt to covertly 
contact the vehicle’s Tele Aid system. Once the vehicle 
is located, the Response Center will contact the local 
Law Enforcement and you. The vehicle’s location will 
only be provided to Law Enforcement.
Info Services (optional-except Canada)
(only vehicles with COMAND)
Info Services categories include news, sports, stocks, 
weather and calendar reminders. Choices can be 
selected via www.mbusa.com or by calling 1-800-FOR-
MERcedes.
To request Info Services press the SVC button on the 
COMAND system, then select “SEND NEW REQUEST 
FOR INFO SERVICE”. “NEW INFO SERVICE REQUEST 
TRANSMITTED” will appear in the COMAND display 
and call status messages will appear in the 
multifunction display.Once information is available, the message “NEW INFO 
RECEIVED - READ LATER WHEN STOPPED?” will 
appear. Select “Yes”. With the vehicle stopped in a safe 
location press SVC, then select “View Info Service of 
mm.dd.yyyy hh.mm”. Messages will be retained for 
30 minutes once the ignition is switched off.
Important!
Tele Aid utilizes the cellular network for 
communication and the GPS (Global Positioning 
System) satellites for vehicle location. If either of these 
signals are unavailable, the Tele Aid system may not 
function and if this occurs, assistance must be 
summoned by other means.
Wa r n i n g !
If the indicator lamp in the “SOS” button does not 
illuminate during or remains illuminated after the 
system self-check or if the message “TELE AID – 
VISIT WORKSHOP” appears in the multifunction 
display, have the system checked at the nearest 
Mercedes-Benz Center as soon as possible.