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163 Controls in detail
Control system
NAV* menu
The
NAV
menu contains the functions
needed to operate your navigation system.
Press buttonè orÿ repeatedly
until you see the message
NAV
in the
multifunction display.
If COMAND is switched off, the mes-
sage
NAV off
appears in the multifunc-
tion display.
With COMAND switched on but route
guidance not activated, the direction of
travel and, if available, the name of the
street currently traveled on appear in
the multifunction display.
With COMAND switched on and route
guidance activated, the direction of
travel and maneuver instructions ap-
pear in the multifunction display.
Please refer to the COMAND manual for in-
structions on how to activate the route
guidance system.
Distronic* menu
Use the
Distronic
menu to display the
current settings for your Distronic system.
What information is shown in the multi-
function display depends on whether the
Distronic system is active or inactive.
Please refer to the “Driving systems” sec-
tion of this manual (page 243) for in-
structions on how to activate Distronic.
Press buttonè orÿ repeatedly
until you see one of the following two
pictures in the multifunction display.Distronic deactivated
When Distronic is deactivated, you will see
the standard display in the multifunction
display.
1Vehicle ahead, if detected
2Actual distance to vehicle ahead
3Preset distance threshold to vehicle
ahead
4Your vehicle
5Symbol for activated distance warning
function
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165 Controls in detail
Control system
Vehicle status messages have been
recorded
If conditions have occurred causing status
messages to be recorded, the number of
messages appears in the multifunction dis-
play:
Press buttonk orj.
The stored messages will now be dis-
played in the order in which they have
occurred. For malfunction and warning
messages, see “Vehicle status messag-
es in the multifunction display”
(page 383).Should the vehicle’s system record any
conditions while driving, the number of
messages will reappear in the multifunc-
tion display when the SmartKey in the
starter switch is turned to position0 or
removed from the starter switch.
Settings menu
In the
Settings
menu there are two func-
tions:
The function
To reset: Press reset
button for 3 seconds
, with which you
can reset all the settings to the original
factory settings.
A collection of submenus with which
you can make individual settings for
your vehicle.
Press buttonè orÿ repeatedly
until the
Settings
menu is seen in the
multifunction display.
iThe vehicle status message memory
will be cleared when you turn the
SmartKey in the starter switch to
position1 or2. You will then only see
high-priority messages in the multi-
function display (
page 383).
Page 167 of 521

166 Controls in detailControl systemResetting all settings
You can reset all the functions of all sub-
menus to the factory settings.
Press the reset button in the instru-
ment cluster (
page 151) for approxi-
mately 3 seconds.
In the multifunction display you will see
the request to press the reset button
again to confirm.
Press the reset button again.
The functions of all the submenus will
reset to factory settings.Submenus in the Settings menu
Press buttonj.
In the multifunction display you see the
collection of the submenus.
Press buttonç.
The selection marker moves to the next
submenu.
The submenus are arranged by hierarchy.
Scroll down with buttonç, scroll up
with buttonæ.
With the selection marker on the desired
submenu, use the buttonj to access
the individual functions within that sub-
menu. Once within the submenu, you can
use the buttonj to move to the next
function or the buttonk t o m o v e t o t h e
previous function within that submenu.
The settings themselves are made with
buttonæ orç.
iThe settings you have changed will not
be reset unless you confirm the action
by pressing the reset button a second
time. After approximately 5 seconds,
the
Settings
menu reappears in the
multifunction display.
For safety reasons, the
Lamp circuit
headlamp
function in the
Lighting
sub-
menu is not reset while driving.
Page 171 of 521

170 Controls in detailControl systemTime / Date submenu
Access the
Time/Date
submenu via the
Settings
menu. Use the
Time/Date
sub-
menu to change the time and date display
settings. The following functions are avail-
able:Synchronizing the time
This function can only be seen on vehicles
with COMAND and navigation module*.
Move the selection marker with
buttonæ orç to the
Time/Date
submenu.
Press buttonj ork repeatedly
until the message
Time sync. with
head unit
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to select
the desired setting.Set time (hours)
This function can only be seen when time
synchronization is switched off.
Move the selection marker with
buttonæ orç to the
Time/Date
submenu.
Press buttonj ork repeatedly
until the message
Clock, hours
ap-
pears in the multifunction display.
The selection marker is on the hour set-
ting.
Press buttonæ orç to set the
hours.
Confirm by pressing reset button
(page 151).
Function
Page
Synchronizing the time
170
Set time (hours)
170
Set time (minutes)
171
Set date (month)
171
Set date (day)
171
Set date (year)
172
iInformation on setting the time, refer to
separate COMAND instructions.
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171 Controls in detail
Control system
Set time (minutes)
This function can only be seen when time
synchronization is switched off.
Move the selection marker with
buttonæ orç to the
Time/Date
submenu.
Press buttonj ork repeatedly
until the message
Clock, minutes
ap-
pears in the multifunction display.
The selection marker is on the minute
setting.
Press buttonæ orç to set the
minutes.
Confirm by pressing reset button
(page 151).Set date (month)
Move the selection marker with
buttonæ orç to the
Time/Date
submenu.
Press buttonj ork repeatedly
until the message
Set date month
ap-
pears in the multifunction display.
The selection marker is on the month
setting.
Press buttonæ orç to set the
month.Set date (day)
Move the selection marker with
buttonæ orç to the
Time/Date
submenu.
Press buttonj ork repeatedly
until the message
Set date day
ap-
pears in the multifunction display.
The selection marker is on the day
setting.
Press buttonæ orç to set the
day.
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173 Controls in detail
Control system
Press buttonæ orç to select
manual operation (
manual
) or daytime
running lamp mode (
constant
) activat-
ed.
With daytime running lamp mode activated
and the exterior lamp switch at
positionM orU, the low beam
headlamps are switched on when the en-
gine is running.
In low ambient light conditions the follow-
ing lamps will switch on additionally:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
For more information on the daytime run-
ning lamp mode, see “Lighting”
(
page 143).Setting locator lighting
With the locator lighting feature activated
and the exterior lamp switch in
positionU, the following lamps will
switch on during darkness when the vehi-
cle is unlocked using button Œ on the
SmartKey or SmartKey with
KEYLESS-GO*:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
Front fog lamps
The locator lighting switches off when the
driver’s door is opened.
If you do not open a door after unlocking
the vehicle with the SmartKey, the lamps
will switch off automatically after approxi-
mately 40 seconds.
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
iFor safety reasons, resetting the Lighting
submenu to factory settings
while driving (
page 166) will not de-
activate the daytime running lamp
mode.
The following message appears in the
multifunction display:
Lighting - Can-
not be completely reset to factory
settings while driving.
Page 181 of 521

180 Controls in detailControl systemTrip computer menu
Use the trip computer menu to call up sta-
tistical data on your vehicle. The following
information is available:Fuel consumption statistics after start
Press buttonÿ orè repeatedly
until you see the first function of the
trip computer menu.
Press buttonj ork repeatedly
until the message
After start
appears
in the multifunction display.
1Distance driven since start
2Time elapsed since start
3Average speed since start
4Average fuel consumption since startFuel consumption since last reset
Press buttonÿ orè repeatedly
until you see the first function of the
trip computer menu.
Press buttonj ork repeatedly
until the message
After reset
appears
in the multifunction display.
1Distance driven since last reset
2Time elapsed since last reset
3Average speed since last reset
4Average fuel consumption since last re-
set
Function
Page
Fuel consumption statistics after
start
180
Fuel consumption statistics
since last reset
180
Call up range (distance to empty)
181
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181 Controls in detail
Control system
Resetting fuel consumption statistics
Press buttonÿ orè repeatedly
until you see the first function of the
trip computer menu.
Press buttonj ork repeatedly
until you see the reading that you want
to reset in the multifunction display.
Press and hold the reset button in the
instrument cluster (
page 151) until
the value is reset to 0.Calling up range (distance to empty)
Press buttonÿ orè repeatedly
until you see the first function of the
trip computer menu.
Press buttonj ork repeatedly
until the message
Range:
appears in
the multifunction display.
In the multifunction display you will see
the calculated range based on the cur-
rent fuel tank level.
TEL menu*
iAll statistics stored since the last en-
gine start will be reset approximately
4 hours after the SmartKey in the start-
er switch is turned to position0 or re-
moved from the starter switch.
Resetting will not occur if you turn the
SmartKey back to position1 or2 with-
in this time period.
Warning!
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 condi-
tions 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 (approximate-
ly 14 m) every second.
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)