Page 201 of 474
200 Controls in detail
Audio system
Calling up wavebands for radios 
with SAT
Press FM, AM or WB soft key repeatedly 
until desired waveband has been 
selected.
The FM, AM and WB wavebands are 
called up one after another.
The waveband currently selected 
appears in the upper left-hand corner 
of the display.Selecting a station
The following options are available for 
selecting a station:
Direct frequency input (page 200)
Manual tuning (page 201)
Automatic seek tuning (page 201)
Scan search (page 201)
Station memory (page 201)
Automatic station memory (Autostore) 
(
page 202)
The station search proceeds in the 
following frequency increments:
0.2 MHz in FM range
10 kHz in AM rangeDirect frequency input
Select desired waveband.
Press * button.
Enter desired frequency with 
buttons1to R.
iYou can only enter frequencies within the 
respective waveband.
If a button is not pressed within 4 seconds, the 
radio will return to the last station tuned. 
     
        
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201 Controls in detail
Audio system
Manual tuning
Select desired waveband.
PressGorHbutton for 
approximately 3 seconds.
Press button repeatedly until the 
desired frequency has been reached.
Step-by-step station tuning takes place 
in ascending or descending order. Each 
time the button is pressed, the radio 
tunes further by 0.2 MHz. During 
manual tuning, the radio is muted.
Automatic seek tuning
Select desired waveband.
PressGorHbutton briefly.
The radio will tune to the next highest 
or next lowest receivable frequency.Scan search
Starting scan search
Select desired waveband.
Press SC soft key.
SC will appear in the display. The 
radio briefly (approximately 
8 seconds) tunes in all receivable 
stations on the waveband selected.
Ending scan search
Press SC soft key orGorH.
The station last played will be 
selected and 
SC disappears from 
the display.Station memory
You can store ten AM and ten FM stations 
in the memory.
Storing stations
Tune in desired station.
Press and hold desired station 
button1 to R until a brief 
signal tone is heard.
The frequency is stored on the 
selected station button.
Calling up stations
Press desired station button1 
to R briefly.
iIf no station is received after two 
consecutive scans of the complete frequency 
range, then the scan stops at the frequency from 
which it began. 
     
        
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202 Controls in detail
Audio system
Autostore – automatic station memory
The Autostore memory function provides 
an additional memory level. The station 
memory for manually stored stations is not 
overwritten.
Calling up Autostore memory level and 
storing stations
Press AS soft key briefly.
The radio switches to the Autostore 
memory level. 
AS and SEARCH 
appear in the display and the radio 
finds the ten stations with the 
strongest signals. These stations 
are stored on the station 
buttons1 to R in order of 
signal strength.
Calling up stations
Press desired station button1 
to R.
Leaving the Autostore memory level
Press FM or AMsoft key briefly.
Interrupting radio mode
The radio mode is interrupted by an 
incoming call on the telephone* 
(
page 224).
Mute on
PressFbutton.
The radio mode is interrupted and 
MUTED appears in the display.
Mute off
PressFbutton.
The radio mode is again active.Weather band
Press WB soft key.
The weather band station last received 
is tuned in.
Selecting a weather band station 
directly
Select desired weather band station 
with buttons 1 to 7.
If a station cannot be tuned in, a search 
is automatically started. 
     
        
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203 Controls in detail
Audio system
Search
PressGorHbutton to tune in 
the next receivable weather band 
station.Scan searchStarting scan search
Press SC soft key.
SC will appear in the display. The 
radio briefly (approximately 
8 seconds) tunes in all receivable 
weather band stations.
Ending scan search
Press SC soft key orGorH.
The weather band station last 
played will be selected and 
SC 
disappears from the display.
Introduction to satellite radio*
SIRIUS satellite radio provides 100 chan-
nels of digital-quality radio. That includes 
music, sports, news, and entertainment, 
free of commercials. SIRIUS satellite radio 
uses a fleet of high-power satellites to 
broadcast 24 hours per day, coast to 
coast, in the contiguous U.S. and Canada.
This diverse, satellite-delivered program-
ming is available for a monthly subscrip-
tion fee.
For more information and service 
availability, call the SIRIUS Service 
Center (1-888-539-7474), or contact 
www.sirius.com (USA) or 
www.siriuscanada.ca (Canada).
iIf no weather band station is received 
after three consecutive scans of the complete 
frequency range, then the scan stops at the 
channel with which it began and 
NO WB FOUND 
appears in the display.
If this happens, switch back to standard radio 
mode. 
     
        
        Page 205 of 474

204 Controls in detail
Audio system
Program categories
The channels are categorized. Categories 
allow you to tune to stations broadcasting 
a certain type of program (category mode) 
(
page 206).Calling up the SAT main menu
Press SAT soft key.
SAT is displayed in the upper left-hand 
corner of the display.
Prior to activation of the satellite radio 
service (
page 204).
After activation of satellite radio 
service (
page 205).
Prior to activation of the satellite radio 
service
The telephone number of the SIRIUS 
Service Center (1-888-539-7474) is 
displayed.
iAdditional satellite radio equipment and a 
subscription to a satellite radio service provider 
are required for the satellite radio operation 
described here.
Contact an authorized Mercedes-Benz Center 
for details and availability for your vehicle.
Note that categories and channels shown in 
illustrations are dependent on programming 
content delivered by the service provider. 
Programming content is subject to change. 
Therefore, channels and categories shown in 
illustrations and descriptions contained in 
this manual may differ from the channels and 
categories delivered by the service provider.iSatellite radio service may be unavailable 
or interrupted from time to time for a variety of 
reasons, such as environmental or topographic 
conditions and other things beyond the service 
provider’s or our control. Service might also not 
be available in certain places (e.g., in tunnels, 
parking garages, or within or next to buildings) or 
near other technologies. 
     
        
        Page 206 of 474

205 Controls in detail
Audio system
Press ESN soft key.
The twelve-digit electronic serial 
number (ESN) of the SAT tuner* 
installed in your vehicle is displayed. 
This information is required to call the 
SIRIUS Service Center for an activation 
request.
After activation of the satellite radio 
service
The satellite radio main menu appears.
The radio station selected last is audible, 
provided it can be received.The first channel 001 is called up and the 
PTY system changes to All categories.
If no station can be received, 
ACQUIRING 
appears in the display.
If the Satellite radio service is not 
activated, 
ACQUIRING will also appear in the 
radio display and 
NO SAT will appear in the 
multifunction display.Selecting a station
The following options are available:
Selecting a station using the selected 
category (
page 206).
Tuning via station presets 
(
page 205).
Tuning via scan search (page 207).
Tuning via manual channel input 
(
page 206).
Tuning via the program category list 
(
page 206).
Tuning via station presets
Ten satellite radio station presets are 
available.
You can access the presets via number 
keys.
iCredit card information may also be 
required for your application.
The activation process takes approximately 
5 to 10 minutes after calling the SIRIUS Service 
Center.
iThe system will tune to a default station if no 
station had been selected previously. 
     
        
        Page 207 of 474
206 Controls in detail
Audio system
Accessing via number keys
Enter number of preset you wish to 
select, e.g. 1.
The radio plays the station stored 
under this number and the PTY function 
changes to the category corresponding 
to the station.
Tuning via manual channel input
Example: tuning in channel 16
Press *.
Input line appears in the main radio 
menu.
Use number keys to enter desired 
channel within 8 seconds, 
e.g.16.
The system tunes to channel 16.
The station you have selected begins to 
play.
Tuning via the program category list
The category list contains all currently 
receivable categories of programs. It is 
arranged alphabetically.
Selecting a category
Press PTY soft key.
The current PTY category of the 
station is displayed.
Press <<< or >>> soft key.
This switches between the 
individual categories.
When changing the category, the 
channel selected last in the new 
category becomes audible.
iYou can only enter available channel 
numbers. 
     
        
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207 Controls in detail
Audio system
The system will automatically switch to 
a station of the selected category if the 
currently selected station is not of the 
selected category. Otherwise, the 
currently selected station remains 
tuned.
Tuning a station within the selected 
category
The channels identified for the 
currently selected category are 
arranged numerically. Only one entry is 
visible at a time.
PressGorHbutton briefly.
The next station within the category 
is started.
or
Press and hold 
GorHbutton for approxi-
mately 3 seconds until desired 
station has been reached.Tuning via scan search
Scan search is characterized as follows:
Scan search plays a channel for 
approximately 8 seconds and then 
skips to the next channel within the 
current category.
Scan search can be terminated 
manually.
Press SC soft key.
The search starts. 
SC appears in the 
display.
Press SC soft key again.
The search stops.Obtaining additional text information
Additional text information (artist, title) 
related to the current channel can be 
displayed.
Press INF soft key.
The title being played is displayed.
Press INF soft key again.
The name of the artist performing the 
title being played is displayed.
iIf a button is not pressed within 4 seconds, 
the radio will return to the standard display.