Page 133 of 521

132 Controls in detailSeats
Press the symbol-side on switch1to
release the head restraints.
The head restraints will fold backward.Placing head restraints upright
Pull the head restraint forward until it
locks into position.Removing and installing rear seat head
restraints
Warning!
G
For safety reasons, always drive with the
rear head restraints in the upright position
when the rear seats are occupied.
Keep the area around head restraints clear
of articles (e.g. clothing) to not obstruct the
folding operation of the head restraints.
!Make sure the head restraints engage
when placing them upright. Otherwise
their protective function cannot be as-
sured.
Warning!
G
For your protection, drive only with properly
positioned head restraints.
Adjust head restraint so that the head re-
straint supports the back of the head at eye
level. This will reduce the potential for injury
to the head and neck in the event of an ac-
cident or similar situation.
Do not drive the vehicle without the seat
head restraints. Head restraints are intend-
ed to help reduce injuries during an acci-
dent.
Do not interchange head restraints from
front and rear seat.
Page 148 of 521

147 Controls in detail
Lighting
Interior lighting in the front
1Left front reading lamp on/off
2Rear interior lighting on/off
3Automatic control on/off
4Front interior lighting on/off
5Right front reading lamp on/off
6Ambient lighting
7Interior lighting
8Front reading lampsThe controls are located in the overhead
control panel.
Automatic control
Activating
Press automatic control switch3.
The interior lighting switches on in
darkness when you:
unlock the vehicle
remove the SmartKey from the
starter switch
open a door
open the trunk
The interior lighting switches off automati-
cally following an adjustable time delay.For more information, see “Setting interior
lighting delayed shut-off” (
page 173).
Deactivating
Press automatic control switch3
again.
The interior lighting remains switched
off in darkness, even when you:
unlock the vehicle
remove the SmartKey from the
starter switch
open a door
open the trunk
iLeaving an interior light switch in the
ON position for extended periods of
time with the engine turned off could
result in a discharged battery.
iIf the door remains open, the interior
lighting switches off automatically after
approximately 5 minutes.
Page 152 of 521

151 Controls in detail
Instrument cluster
To brighten illumination
Turn the reset button1 in the instru-
ment cluster clockwise.
The instrument cluster illumination will
brighten.
To dim illumination
Turn the reset button1 in the instru-
ment cluster counterclockwise.
The instrument cluster illumination will
dim.
Coolant temperature indicator
During severe operating conditions, e.g.
stop-and-go traffic, the coolant tempera-
ture may rise close to 248°F (120°C).
The engine should not be operated with
the coolant temperature above 248°F
(120°C). Doing so may cause serious en-
gine damage which is not covered by the
Mercedes-Benz Limited Warranty.
Trip odometer
Make sure you are viewing the trip odome-
ter display (
page 153).
If it is not displayed, press button è
or ÿ repeatedly until the trip
odometer appears.
Press and hold the reset button1
(page 150) until the trip odometer is
reset.
Warning!
G
Driving when your engine is overheated
can cause some fluids which may have
leaked into the engine compartment to
catch fire. You could be seriously
burned.
Steam from an overheated engine can
cause serious burns and can occur just
by opening the hood. Stay away from
the engine if you see or hear steam com-
ing from it.
Turn off the engine, get out of the vehicle
and do not stand near the vehicle until the
engine has cooled down.
iExcessive coolant temperature trigger
a warning in the multifunction display
(page 379).
Page 166 of 521
165 Controls in detail
Control system
The table below shows what settings can
be changed within the various menus. De-
tailed instructions on making individual
settings can be found on the following pag-
es.INSTRUMENT CLUSTER
TIME/DATE
LIGHTING
VEHICLE
CONVENIENCE
DYNAMIC SEAT*
Select speedometer dis-
play mode
Synchronizing the
time
Set daytime running
lamp mode
(USA only)
Set automatic lock-
ing
Activate easy-en-
try/exit feature
Set level for
dynamic seat, driver
Select language
Set time (hours)
Set locator lighting
Set parking position
for exterior rear
view mirror
Set level for
dynamic seat, pas-
senger
Select display (speed dis-
play or outside tempera-
ture) for status line
Set time (minutes)
Ambient lighting
Select display (speed dis-
play or outside tempera-
ture) for basic display
Set date (month)
Setting headlamps
delayed shut-off
Set date (day)
Setting interior
lighting delayed
shut-off
Set date (year)
Page 169 of 521

168 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 150).
Function
Page
Synchronizing the time
168
Set time (hours)
168
Set time (minutes)
169
Set date (month)
169
Set date (day)
169
Set date (year)
170
iInformation on setting the time, refer to
separate COMAND instructions.
Page 170 of 521
169 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 150).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 set-
ting.
Press buttonæ orç to set the
day.
Page 172 of 521

171 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 141).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 164) 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 175 of 521
174 Controls in detailControl systemVehicle submenu
Access the
Vehicle
submenu via the
Set-
tings
menu. Use the
Vehicle
submenu to
make general vehicle settings. The follow-
ing function is available:Setting automatic locking
Use this function to activate or deactivate
the automatic central locking. With the au-
tomatic central locking system activated,
the vehicle is centrally locked at vehicle
speeds of approximately 9 mph
(15 km/h).
Move the selection marker with
buttonæ orç to the
Vehicle
submenu.
Press buttonj ork repeatedly
until the message
Automatic door
lock
. appears in the multifunction dis-
play.
The selection marker is on the current
setting.
Press buttonæ orç to switch Automatic door lock
on or
off
.
Function
Page
Set automatic locking
174