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 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 133 of 474
132 Controls in detailControl systemIt is helpful to think of the menus, and the 
functions within each menu, as being 
arranged in a circular pattern.
If you press buttonè orÿ 
repeatedly, you will pass through each 
menu one after the other.
If you press buttonk orj 
repeatedly, you will pass through each 
function display, one after the other, in 
the current menu.In the 
Settings
 menu, instead of functions 
you will find a number of submenus for 
calling up and changing settings. For 
instructions on using these submenus, see 
“Submenus in the Settings menu” 
(
page 141).
The number of menus available in the sys-
tem depends on which optional equipment 
is installed in your vehicle.
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. 
     
        
        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 151 of 474

150 Controls in detailControl system
The selection marker is on the current 
setting.
Press buttonæ orç to select 
manual operation (
Manual
) or daytime 
running lamp mode (
Constant
) 
activated.
With daytime running lamp mode activated 
and the exterior lamp switch in 
positionM orU, the low beam 
headlamps are switched on when the 
engine is running.In low ambient light conditions the 
following lamps will switch on additionally:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
For more information on the daytime 
running lamp mode, see “Lighting” 
(
page 118).Set 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 with the SmartKey:
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 set-
tings to factory settings (
page 140) 
while driving will not deactivate the 
daytime running lamp mode.
The following message appears in the 
multifunction display:
Lighting - Cannot be completely 
reset to factory sets. while 
driving.
 
     
        
        Page 152 of 474

151 Controls in detail
Control system
Press buttonj ork repeatedly 
until the message 
Surround lighting
 
appears in the multifunction display.
The selection marker is on the current 
setting.
Press buttonæ orç to switch 
the locator lighting function 
On.
Turn the exterior lamp switch to 
positionU when exiting the vehicle 
(page 118).
The locator lighting feature is 
activated.Set night security illumination 
(Headlamps delayed shut-off)
Use this function to set whether or not the 
exterior lamps illuminate during darkness 
after exiting the vehicle and all doors 
closed.
With the delayed shut-off feature activated 
and the exterior lamp switch in 
positionU before the engine is turned 
off, the following lamps will switch on 
when the engine is turned off and remain 
lit for appriximately 15 seconds:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
Front fog lamps
If after turning off the engine you do not 
open a door or do not close an opened 
door, the lamps will automatically switch 
off after 60 seconds.
Move the selection marker with 
buttonæ orç to the 
Lighting 
submenu.
Press buttonj ork repeatedly 
until the message 
Hdlamp delay off
 
appears in the multifunction display.
The selection marker is on the current 
setting.
iYou can reactivate this function within 
10 minutes by opening a door.