Page 101 of 474

100 Controls in detailLocking and unlockingFactory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system* is
disarmed.
The vehicle will lock again automatically
and reactivate the anti-theft alarm
system* within approximately 40 seconds
of unlocking if:
neither a door nor the trunk is opened
the SmartKey is not inserted in the
starter switch
the central locking switch is not
activatedGlobal locking
Press button‹.
With the hood, trunk and all doors
closed, all turn signal lamps flash three
times. The locking knobs in the doors
move down. The anti-theft alarm sys-
tem* is armed.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that
pressingŒ only unlocks the driver’s
door and the fuel filler flap.
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds.
Battery check lamp5 flashes twice.The SmartKey will then function as follows:
Unlocking driver’s door and fuel filler
flap
Press buttonŒ once.
All turn signal lamps flash once. The
locking knob in the driver’s door moves
up. The anti-theft alarm system* is
disarmed.
Global unlocking
Press buttonŒ twice.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system* is
disarmed.
Page 102 of 474

101 Controls in detail
Locking and unlocking
Global locking
Press button‹.
With the trunk and all doors closed, all
turn signal lamps flash three times. The
locking knobs in the doors move down.
The anti-theft alarm system* is armed.
Restoring to factory setting
Press and hold buttonsŒ and‹
simultaneously for about 6 seconds un-
til battery check lamp5 flashes twice.
The SmartKey is set to factory setting
again.Checking the batteries
Press button‹ orŒ.
Battery check lamp5 comes on
briefly to indicate that the SmartKey
batteries are in order.
!If you can no longer lock or unlock the
vehicle with the SmartKey, then either
the batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing or the vehicle battery is drained.
Check the batteries in the
SmartKey (
page 101) and
replace them if necessary
(
page 396).
Use the mechanical key to unlock
the driver’s door (
page 389) and
the trunk (
page 390).
Use the mechanical key to lock the
driver’s door (
page 390) and the
trunk (
page 106).
Have the vehicle battery and the
battery connections checked
(page 412).
If the SmartKey is malfunctioning,
contact an authorized Mercedes-Benz
Center.
iIf battery check lamp5 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
page 396).
You can obtain the required batteries
at any authorized Mercedes-Benz
Center.
iIf the batteries are checked within
signal range of the vehicle, pressing
the‹ orŒ button will lock or
unlock the vehicle accordingly.
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 147 of 474
146 Controls in detailControl system
The selection marker is on the hour
setting.
Press buttonæ orç to set the
hour.Set the time (minutes)
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 Minutes
appears in the multifunction display.The selection marker is on the minute
setting.
Press buttonæ orç to set the
minutes.
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.