Page 128 of 481

127 Controls in detail
Control system
Menus, submenus and functions
Menu1
Menu2
Menu3
Menu4
Menu5
Menu6
Menu7
Standard display
AUDIO
NAV*
Vehicle status 
message 
memory
1
Settings
Trip computer
TEL*
(page 128)
(page 129)
(page 132)
(page 132)
(page 134)
(page 149)
(page 151)
Commands/submenusRun Flat Indicator*
Select radio 
station
Show route 
guidance in-
structions, 
current direc-
tion traveled
Call up vehicle 
malfunction, 
warning and 
system status 
messages 
stored in 
memory
Reset to factory 
settings
Fuel consump-
tion statistics 
after start
Load phone book
Check coolant 
temperature
Select satellite 
radio station*
(USA only)
Instrument clus-
ter submenu 
Fuel consump-
tion statistics 
since last reset
Search for name 
in phone book
Digital speedome-
ter/outside tem-
perature
Operate the CD 
player
Time/Date 
submenu
Call up range
Redialing
Call up mainte-
nance service 
indicator
Lighting 
submenu
Check engine oil 
level (SLK 55 AMG 
only)
Vehicle submenuConvenience 
submenu
1The vehicle status message memory menu is only displayed if there is a message stored. 
     
        
        Page 215 of 481

214 Controls in detailAudio systemIntroduction to satellite radio* (USA only)
SIRIUS satellite radio provides 100 chan-
nels of digital-quality radio, among others 
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.
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 
(page 218), or contact 
www.siriusradio.comProgram categories
The channels are categorized. Categories 
allow you to tune to stations broadcasting 
a certain type of program (category mode) 
(
page 216).
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 unavail-
able or interrupted from time to time 
for a variety of reasons, such as envi-
ronmental 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 275 of 481

274 Controls in detailUseful features
To activate, press the SOS button, the 
Roadside Assistance button• or 
the Information button¡, depend-
ing on the type of response required.System self-check
Initially, after switching on ignition, 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 10 seconds or do not come on). The 
message 
Malfunction. Drive to 
workshop appears for approximately 
10 seconds in the multifunction display.
iThe SOS button is located in the over-
head control panel.
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.
iWhen a Tele Aid call has been initiated, 
the audio system or COMAND* system 
audio is muted and the selected mode 
(radio, tape or CD) pauses. The optional 
cellular phone* (if installed) and insert-
ed in cradle switches off. If you must 
use this phone, we recommend that 
you use it only with the vehicle at a 
standstill in a safe location. Remove 
the phone from the cradle and place 
the call. The COMAND* navigation sys-
tem (if engaged) will continue to run. 
The display in the instrument cluster is 
available for use, and spoken com-
mands are only available by pressing 
the RPT button on the COMAND* unit. 
A pop-up window will appear in the 
COMAND* display to indicate that a 
Tele Aid call is in progress. After the 
Tele Aid call has ended, the optional 
cellular phone switches on again. A PIN 
entry might be necessary.