Page 134 of 442

134 Controls in detailControl systemStandard display menu
You can select the functions in the stan-
dard display menu with buttonk 
orj.
The following functions are available:Display digital speedometer
Press buttonj twice.
The current vehicle speed is shown in 
the multifunction display.
AUDIO menu
The functions in the 
Audio
 menu operate 
the audio equipment which you currently 
have turned on.
If no audio equipment is currently turned 
on, the message 
AUDIO OFF 
is shown in the 
display.
The following functions are available:Select radio station
Turn on the radio. Refer to separate op-
erating instructions.
Press buttonè orÿ repeatedly 
until you see the currently tuned sta-
tion in the display.
1Waveband setting
2Station frequency
Press buttonk orj repeatedly 
until the desired station is found.
iThe headings used in the menus table 
are designed to facilitate navigation 
within the system and are not neces-
sarily identical to those shown in the 
control system displays.
The first function displayed in each 
menu will automatically show you 
which part of the system you are in.
Function
Page
Call up digital speedometer 
134
Call up FSS PLUS
297
Check tire pressure*
291
Check engine oil level
283
Function
Page
Select radio station
134
Select satellite radio station*
135
Operate CD player
135 
     
        
        Page 251 of 442

251 Controls in detail
Useful features
Shortly after the completion of your ac-
quaintance 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 and 
more.System self-check
Initially, after turning the ignition on, 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 ten seconds or do not come on). The 
message 
TELE AID – VISIT WORKSHOP!
 ap-
pears for approximately 10 seconds in the 
multifunction display.
iThe SOS button is located above the in-
terior rear view mirror.
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.
Warning!
G
If the indicator lamps in the SOS button, in 
the Roadside Assistance button and / or in 
the Information button remain illuminated 
constantly in red and / or the message 
TELE 
AID - VISIT WORKSHOP!
 is displayed in 
the multifunction display after the system 
self-check, a malfunction in the system has 
been detected.
If a malfunction is indicated as outlined 
above, the system may not operate as ex-
pected. Have the system checked at the 
nearest Mercedes-Benz Center as soon as 
possible. 
     
        
        Page 413 of 442

413 Technical terms
Gear range
Number of gears which are available to 
the automatic transmission for shifting. 
The automatic gear shifting process 
can be adapted to specific operating 
conditions using the selector lever.
GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying 
geographic location information to and 
from vehicles equipped with special re-
ceivers. Employs DVD digital maps for 
navigation.
Instrument cluster
The displays and indicator/warning 
lamps in the driver’s field of vision, in-
cluding the tachometer, speedometer 
and fuel gauge.Kickdown
Depressing the accelerator past the 
point of resistance shifts the transmis-
sion down to the lowest possible gear. 
This very quickly accelerates the vehi-
cle and should not be used for normal 
acceleration needs.
Lock button
Button on the door which indicates 
whether the door is locked or un-
locked. Pushing the lock button down 
on an individual door from inside will 
lock that door.
Memory function*
Used to store three individual seat, 
steering wheel and exterior mirror posi-
tions for each SmartKey.Menu
The control system displays are ar-
ranged in menus. Each menu contains 
a number of commands for particular 
systems. In the Audio menu, for exam-
ple, you will find the commands 
SELECT 
RADIO STATION
 or
 OPERATE CD PLAYER
. 
Using commands, you can directly 
change the settings for your vehicle.
MON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline 
as determined by a standardized meth-
od. It is an indication of a gasoline's 
ability to resist undesired detonation 
(knocking). The average of both the 
MON (Motor Octane Number) and 
->RON (Research Octane Number) is 
posted at the pump, also known as 
ANTI-KNOCK INDEX.