Page 137 of 417

136 Controls in detailControl system
Press button j or k repeatedly
until you see this message in the left
display:
Automatic Door lock
.
The selection marker is on the current
setting.
Press æ or ç to switch Automatic Door lock
On or
Off
.Tire inflation pressure display
Use this function to set the unit for the tire
inflation pressure display.
Move the selection marker with the
æ or ç button to the
Vehicle
submenu.
Press button j or k repeatedly
until you see this message in the left
display:
Tire press. display
.
The selection marker is on the current
setting.
Press æ or ç to select the de-
sired tire inflation pressure unit.
Trip computer menu
Use the trip computer menu to call up
statistical data on your vehicle.
The following information is available:Function
Page
Fuel consumption statistics after
start
137
Fuel consumption statistics since
last reset
137
Call up range (distance to empty)
138
iThe last function called up will reap-
pear the next time you enter the trip
computer menu.
Page 138 of 417

137 Controls in detail
Control system
Fuel consumption statistics after start
Press button ÿ or è repeatedly
until you see the first function of the
Trip computer menu.
Press button j or k repeatedly
until you see this message in the left
display:
After start.
1Distance driven since start
2Average speed since start
3Time elapsed since start
4Average fuel consumption since startFuel consumption since last reset
Press button ÿ or è repeatedly
until you see the first function of the
Trip computer menu.
Press button j or k repeatedly
until you see this message in the left
display:
From reset.
1Distance driven since last reset
2Average speed since last reset
3Time elapsed since last reset
4Average fuel consumption since last re-
set
iAll statistics stored since the last en-
gine start will be reset approximately
four hours after the SmartKey in the
starter switch is turned to position0 or
removed from the starter switch.
Resetting will not occur if you turn the
SmartKey back to position1 or2 with-
in this time period.
Page 139 of 417

138 Controls in detailControl systemResetting fuel consumption statistics
Press button ÿ or è repeatedly
until you see the first function of the
Trip computer menu.
Press button j or k repeatedly
until you see the reading that you want
to reset in the left display.
Press and hold the reset button in the
instrument cluster (
page 29) until
the value is reset to 0.Calling up range (distance to empty)
Press button ÿ or è repeatedly
until you see the first function of the
Trip computer menu.
Press button j or k repeatedly
until you see this message in the left
display:
Range
.
In the right display you will see the cal-
culated range based on the current fuel
tank level. Your driving style will affect
the accuracy of the calculated range.
TEL menuWarning!
G
A driver’s attention to the road must always
be his/her primary focus when driving. For
your safety and the safety of others, we rec-
ommend that you pull over to a safe location
and stop before placing or taking a tele-
phone call. If you choose to use the tele-
phone while driving, please use the
hands-free device and only use the tele-
phone when weather, road, and traffic con-
ditions permit.
Some jurisdictions prohibit the driver from
using a cellular telephone while driving a ve-
hicle.
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 140 of 417

139 Controls in detail
Control system
You can use the functions in the
TEL
menu
to operate your telephone, provided it is
connected to a hands-free system and
switched on.
Switch on the telephone and the radio.
Press button ÿ or è on the
steering wheel repeatedly until you see
the
TEL
menu in the left display.
Which messages will appear in the right
display field depends on whether your tele-
phone is switched on or off:
If the telephone is off, the message in
the multifunction display is:
TEL OFF
.
If the telephone is on:
The telephone will then search for a
network. During this time the right dis-
play is empty.
As soon as the telephone has found a
network,
READY
is indicated in the right
display.
1Signal strength
This standby message indicates that your
telephone is ready for use and you can op-
erate it using the control system.You may carry out the following functions:
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system, pos-
sibly resulting in an accident and/or
personal injury.
Function
Page
Rejecting a call
140
Answering a call
140
Ending a call
140
Dialling a number from the
phone book
141
Redialing
142
Page 141 of 417
140 Controls in detailControl systemRejecting a call
If you do not wish to receive the call, you
can choose to reject it.
Press button ì.
You have rejected the call. The caller
receives a busy signal. Answering a call
When your telephone is ready to receive
calls, you can answer a call at any time. In
the right display you will then see the mes-
sage:
Press button í.
You have answered the call. In the right
display you see the length of the call.Ending a call
Press button ì.
You have ended the call. In the right
display you will again see the standby
message.
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141 Controls in detail
Control system
Dialing a number from the phone book
If your telephone is ready to receive calls,
you may select and dial a number from the
phone book at any time.
Press button ÿ or è repeatedly
until you see the
TEL
menu in the left
display.
In the right display you will see the
standby message.
Press button j or k.
The control system reads the phone
book which is stored in the telephone.
This may take up to 30 seconds. In the
right display you will see the message Please wait!
.
When the message
Please wait!
dis-
appears, the phone book has been
loaded.
Press button j or k repeatedly
until the desired name appears in the
right display.
The stored names are displayed in
ascending or descending alphabetical
order.
Press button í.
The system dials the selected phone
number.
If the connection is successful, the
name of the party you called and the
duration of the call will appear in the
display.
If no connection is made, the control
system stores the dialed number in the
redial memory.
iIf you press and hold j or k for
longer than one second, the system
scrolls rapidly through the list of names
until you release the button again.
Cancel the quick search mode by
pressing ì.
Page 143 of 417
142 Controls in detailControl systemRedialing
The control system stores the most recent-
ly dialed phone numbers. This eliminates
the need to search through your entire
phone book.
Press button ÿ or è repeatedly
until you see the
TEL
menu in the left
display.
In the right display you will see the
standby message.
Press button í.
In the right display you see the first
number in the redial memory.
Press button j or k repeatedly
until the desired name appears in the
right display.
Press button í.
The control system dials the selected
phone number.
Page 144 of 417

143 Controls in detail
Audio system
Audio system
Audio and telephone, operation
These instructions are intended to help
you become familiar with your
Mercedes-Benz audio system. They con-
tain useful tips and a detailed description
of the user functions.
Operating safety
Location of the audio system
The audio system control panel is located
behind a cover in the upper part of the cen-
ter console.
1Cover
Briefly press on the lower part of
cover1.
The cover opens automatically.
Warning!
G
In order to avoid distraction which could
lead to an accident, the driver should enter
system settings with the vehicle at a stand-
still and operate the system only when road
and traffic conditions permit. Always pay full
attention to traffic conditions first before
operating system controls while driving.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your car is cover-
ing a distance of 44 feet (approximately
14 m) every second.
Warning!
G
Any alterations made to electronic compo-
nents can cause malfunctions.
The radio, amplifier, CD changer and
telephone are interconnected. When one of
the components is not operational or has
not been removed/replaced properly, the
function of other components may be im-
paired.
This condition might seriously impair the
operating safety of your vehicle.
We recommend that you have any service
work on electronic components carried out
by an authorized Mercedes-Benz Center.