Page 131 of 474

130 Controls in detailControl systemThe control system is activated as soon as 
the SmartKey in the starter switch is 
turned to position1. The control system 
enables you to
call up information about your vehicle
change vehicle settings
For example, you can use the control 
system to find out when your vehicle is 
next due for service, to set the language 
for messages in the instrument cluster 
display, and much more.
The control system relays information to 
the multifunction display.
Multifunction display
1Trip odometer
2Main odometer
3Current program mode (automatic 
transmission*)
4Current gear selector lever 
position/gear range (automatic trans-
mission*)
5Digital clock
6Status indicator (outside tempera-
ture/digital speedometer)
iThe displays for the audio systems 
(radio, CD player) will appear in English, 
regardless of the language selected.
Warning!
G
A driver’s attention to the road and traffic 
conditions must always be his/her primary 
focus when driving.
For your safety and the safety of others, 
selecting features through the multifunction 
steering wheel should only be done by the 
driver when traffic and road conditions 
permit it to be done safely.
Bear in mind that at a speed of just 30 mph 
(approximately 50 km/h), your vehicle is 
covering a distance of 44 feet 
(approximately 14 m) every second. 
     
        
        Page 236 of 474

235 Controls in detail
Audio system
Redial
If the number you have dialed is busy, you 
can again place calls to the last ten 
telephone numbers dialed using the redial 
function.
Manual redial
Press s button.
The telephone number last dialed 
will appear in the display.
Select desired telephone number 
with button ‚ or ƒ.
The letter 
L and the number of the 
memory position appears in the 
left-hand corner of the display. The 
numbers are stored in the order of 
the calls received.
When you have selected a number, 
press s button.
The call will be made.Accepting an incoming call
If the telephone is active in the background 
(reception symbol is visible in the display), 
the audio source is muted when an incom-
ing call is received. A ringing tone can be 
heard and the caller’s telephone number, 
or the name under which the telephone 
number has been saved in the telephone 
book, appears in the display. If the caller’s 
number is not relayed, 
CALL
 will appear in 
the display.
Press s button.
The call is accepted.
iIf you have activated the automatic re-
dial function on your mobile telephone, 
the number of the person being called 
is automatically redialed after a short 
waiting period if there is a busy signal. 
Refer to the separate operating instruc-
tions for the mobile telephone. 
     
        
        Page 375 of 474
374 Practical hintsWhat to do if …Display symbol
Display message
Possible cause/consequence
Possible solution
Ñ
Cruise contr.
Drive to workshop
Cruise control is malfunctioning.
Visit an authorized Mercedes-Benz 
Center.
G
Display malfunction
Visit workshop
The instrument cluster display is 
malfunctioning.
Continue driving with added caution.
Visit an authorized Mercedes-Benz 
Center as soon as possible.
The displays for several systems have 
malfunctioned. Some systems them-
selves may also have malfunctioned.
Have the electronic systems checked 
by an authorized Mercedes-Benz 
Center.
±
Display malfunction
Visit workshop
Certain electronic systems are unable to 
relay information to the control system. 
The following systems may have failed:
Coolant temperature display
Tachometer
Cruise control display
Have the electronic systems checked 
by an authorized Mercedes-Benz 
Center.
J
Doors open
You are attempting to drive with one or 
more doors open.
Close the doors. 
     
        
        Page 452 of 474

451 Technical terms
GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying 
geographic location information to and 
from vehicles equipped with special 
receivers. Employs CD digital maps for 
navigation.
GVW
(G
ross V
ehicle W
eight) (
page 332)
GVWR
(G
ross V
ehicle W
eight R
ating) 
(
page 332)
Instrument cluster
The displays and indicator/warning 
lamps in the driver’s field of vision, 
including the tachometer, speedo-
meter, engine temperature display 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 
vehicle and should not be used for 
normal acceleration needs.
Kilopascal (kPa)
(
page 332)
Locking knob
Knob on the door which indicates 
whether the door is locked or un-
locked. Pushing the locking knob down 
on an individual door from inside will 
lock that door.Maintenance System (U.S. vehicles)
Maintenance service indicator in the 
multifunction display that informs the 
driver when the next vehicle mainte-
nance service is due. The Maintenance 
System in your vehicle tracks distance 
driven and the time elapsed since your 
last maintenance service, and calls for 
the next maintenance service accord-
ingly.
Maximum tire inflation pressure
(
page 332)
Maximum load rating
(page 332)
Maximum loaded vehicle weight
(page 332)
Memory function*
Used to store three individual seat, 
steering wheel and mirror positions.