Page 127 of 474

126 Controls in detailLightingDeactivating 
Press the= symbol on rocker 
switch3.
The interior lighting remains switched 
off, even when you
unlock the vehicle
open a door 
remove the SmartKey from the 
starter switch
Manual control
Switching all front interior lights on and 
off
Press theW symbol on rocker 
switch3.
The front interior lights come on.
Press rocker switch3 to center 
position to activate the automatic 
control.Switching rear interior lights on and off
Press buttonV.
The lights in the rear passenger 
compartment come on.
Press buttonV again.
The lights in the rear passenger 
compartment go out.
Switching front reading lamp on and off
Press right or left buttonX.
The right reading lamp comes on.
Press right or left buttonX again.
The right reading lamp goes out.
Door entry lamps
The appropriate door entry lamp switches 
on if a door is opened in darkness and if 
the interior lighting is switched to auto-
matic function.
The entry lamp switches off automatically 
when the door is closed.Trunk lamp
The trunk lamp switches on if the trunk is 
opened.
If you leave the trunk open for an extended 
period of time, the trunk lamp will switch 
off automatically after approximately 
10 minutes.
iIf you turn the SmartKey in the starter 
switch to position0 and switch off the 
exterior headlamps, the door entry 
lamps will remain lit for approximately 
5minutes. 
     
        
        Page 128 of 474
127 Controls in detail
Instrument cluster
Instrument cluster
For a full view illustration of the instrument 
cluster, see “At a glance” (
page 24).
1Reset button
The instrument cluster is activated when 
you
open a door
switch on ignition (
page 33)
press reset button1
switch on the exterior lighting
You can change the instrument cluster 
settings in the Instrument cluster submenu 
of the control system (
page 143).
Instrument cluster illumination
Use reset button1 to adjust the 
illumination brightness for the instrument 
cluster.To brighten illumination
Turn reset button1 clockwise.
The instrument cluster illumination will 
brighten.
To dim illumination
Turn reset button1 counterclock-
wise.
The instrument cluster illumination will 
dim.
iThe instrument cluster illumination is 
dimmed or brightened automatically to 
suit ambient light conditions.
The instrument cluster illumination will 
also be adjusted automatically when 
you switch on the vehicle’s exterior 
lamps. 
     
        
        Page 135 of 474

134 Controls in detailControl systemMenus, submenus and functions
Menu1
Menu2
Menu3
Menu4
Menu5
Menu6
Menu7
Standard 
display
AUDIO
NAV*
Vehicle status 
message memory
Settings
Trip computer
Telephone*
(page 135)
(page 136)
(page 138)
(page 138)
(page 140)
(page 155)
(page 157)
Commands/submenusRun Flat 
Indicator* 
(Canada only)
Select radio 
station
Show route guid-
ance instructions, 
current direction 
traveled
Call up vehicle malfunc-
tion, warning and sys-
tem status messages 
stored in memory
1
1The vehicle status message memory menu is only displayed if there is a message stored.
Reset to 
factory 
settings
Fuel consumption 
statistics after 
start
Load phone 
book
Digital speed-
ometer or out-
side temperature
Select satellite 
radio station* 
(USA only)
Instrument 
cluster sub-
menu
Fuel consumption 
statistics since 
the last reset
Search for 
name in 
phone book
Call up main-
tenance service 
display
Operate 
CD player* 
Time/Date 
submenu
Call up range
Lighting 
submenuVehicle 
submenuConvenience 
submenu 
     
        
        Page 142 of 474
141 Controls in detail
Control system
Submenus in the Settings menu
Press buttonj.
The collection of the submenus 
appears in the multifunction display.
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 button j to move to the next 
function or the button k to move to the 
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 following 
function are not reset while driving:
the 
Hdlamp mode
 function in the 
Lighting
 submenu 
     
        
        Page 143 of 474
142 Controls in detailControl systemThe table below shows what settings can 
be changed within the various menus. Detailed instructions on making individual 
settings can be found on the following 
pages.Instrument cluster
Time/Date
Lighting
Vehicle
Convenience
Select speedometer 
display mode
Time synchronization with head 
unit*
Set daytime running lamp 
mode (USA only)
Set automatic lock-
ing
Activate easy-entry/exit 
feature
Select language
Set time (hours)
Set locator lighting
Set parking position for 
exterior rear view mirror
Select display (speed 
display or outside 
temperature) for status 
indicator
Set time (minutes)
Set night security 
illumination 
Select automatic time change 
(Daylight Saving Time (DST) 
summer/Standard time winter)
Set interior lighting de-
layed shut-off
Set date (month)Set date (day)Set date (year) 
     
        
        Page 146 of 474

145 Controls in detail
Control system
Time/Date submenu
Access the 
Time/Date
 submenu via the 
Settings
 menu. Use the 
Time/Date
 
submenu to change the instrument cluster 
display settings.
The following functions are available:Time synchronization with head unit*
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 synchro. 
w/Head Unit
 appears in the multifunc-
tion display.
The selection marker is on the current 
setting.
Press buttonæ orç to select 
the desired setting.Set the time (hours)
This function can be seen in vehicles with 
audio system, or in vehicles with 
COMAND* if the time synchronization with 
head unit* feature was set to 
Off
.
Move the selection marker with 
buttonæ orç to the 
Time/Date
 
submenu.
Press buttonj ork repeatedly 
until the message 
Time Hours
 appears 
in the multifunction display.
Function
Page
Time synchronization with 
head unit*
145
Set time (hours)
145
Set time (minutes)
146
Select automatic time change 
(Daylight Saving Time (DST) 
summer/Standard time winter)
147
Set date (month)
147
Set date (day)
148
Set date (year)
148
iVehicles with COMAND*:
For information on setting the time, 
refer to the separate COMAND 
operating instructions.
 
     
        
        Page 148 of 474

147 Controls in detail
Control system
Select automatic time change (Daylight 
Saving Time (DST) summer/Standard 
time winter)
This function can be seen in vehicles with 
audio system, or in vehicles with 
COMAND* if the time synchronization with 
head unit* feature was set to 
Off
.
Move the selection marker with 
buttonæ orç to the 
Time/Date
 
submenu.
Press buttonj ork repeatedly 
until the message 
Change-over 
Summer / Winter time
 appears in the 
multifunction display.
The selection marker is on the current 
setting.
Press buttonæ orç to select if 
the changeover between summer and 
winter time should be automatic or 
manual. 
Set the date (month)
This function can be seen in vehicles with 
audio system, or in vehicles with 
COMAND* if the time synchronization with 
head unit* feature was set to 
Off
.
Move the selection marker with 
buttonæ orç to the 
Time/Date
 
submenu.
Press buttonj ork repeatedly 
until the message 
Date Set MM
 appears 
in the multifunction display.
The selection marker is on the month 
setting.
Press buttonæ orç to set the 
month.
iVehicles with COMAND*:
For information on setting the date, 
refer to the separate COMAND 
operating instructions. 
     
        
        Page 150 of 474
149 Controls in detail
Control system
The selection marker is on the year 
setting.
Press buttonæ orç to set the 
year.Lighting submenu
Access the 
Lighting
 submenu via the 
Settings
 menu. Use the 
Lighting 
submenu to change the lamp and lighting 
settings on your vehicle.
The following functions are available:Set daytime running lamp mode 
(USA only)
Move the selection marker with 
buttonæ orç to the 
Lighting
 
submenu.
Press buttonj ork repeatedly 
until the message 
Hdlamp mode
 appears 
in the multifunction display.
Function
Page
Set daytime running lamp mode 
(USA only)
149
Set locator lighting
150
Set night security illumination
151
Set interior lighting delayed 
shut-off
152
iThis function is not available in 
countries where the daytime running 
lamp mode is mandatory and therefore 
in a constant mode.