153 Tele Aid
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index When the connection is established, the message 
“ROADSIDE ASSISTANCE – CALL CONNECTED” 
appears in the MCS 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).
While the call is connected, you can change to 
navigation menu by pressing NAVI button on the MCS.
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 
MCS 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 f lat 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.
Notes:
The indicator lamp in the Roadside Assistance 
button• remains illuminated in red for 
approximately 10 seconds during the system self-check 
after turning key in steering lock to position 2 (together 
with the “SOS” button and the Information 
button¡).
See system self-check on page 148 when the indicator 
lamp does not light up in red or stay on longer than 
approximately 10 seconds.