Page 161 of 506

159 Controls in detail
Control system
Selecting display (speed display or out-
side temperature) for basic display
Move the selection marker with
theæ orç button to the
Instr.
cluster
submenu.
Press buttonj ork repeatedly
until you see this message in the dis-
play:
Basic display
.
The selection marker is on the current
setting.
Press buttonæ orç to select
the display permanently shown in the
multifunction display.Tire pressure display*
Use this function to set the unit for the tire
pressure display.
Move the selection marker with the
æ or ç button to the
Instr,
cluster
submenu.
Press button j or k repeatedly
until you see this message in the dis-
play:
Display unit Tire pressure
.
The selection marker is on the current
setting.
Press buttonæ or ç to select
the desired tire pressure unit.Time/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:
Function
Page
Synchronizing the time
160
Set time (hours)
160
Set time (minutes)
160
Set date (month)
161
Set date (day)
161
Set date (year)
161
iInformation on setting the time, refer to
separate COMAND instructions.
Page 164 of 506

162 Controls in detailControl systemLighting submenu
Access the
Lighting
submenu via the
Set-
tings
menu. Use the
Lighting
submenu
to change the lamp and lighting settings on
your vehicle. The following functions are
available:Setting daytime running lamp mode
(USA only)
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until you see
Lamp circuit headlamp
in
the multifunction display.
The selection marker is on the current
setting.
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 head-
lamps are switched on when the engine 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 133).
Function
Page
Set daytime running lamp mode
(USA only)
162
Setting locator lighting
163
Setting night security illumina-
tion
164
Setting interior lighting delayed
shut-off
165
Setting ambient lighting
165
iThis function is not available in coun-
tries where the daytime running lamp
mode is mandatory and therefore in a
constant mode.
Page 165 of 506

163 Controls in detail
Control system
Setting locator lighting
With the locator lighting feature activated
and the exterior lamp switch in
positionU, the following lamps will
switch on when the vehicle is unlocked
with the SmartKey or KEYLESS-GO* during
darkness:
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
with the SmartKey the lamps will switch off
automatically after approximately 40 sec-
onds.
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until you see
Function Surround
lighting
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.
The locator lighting feature is activat-
ed.
iFor safety reasons, resetting the Lighting
submenu to factory settings
while driving (
page 154) 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 166 of 506

164 Controls in detailControl systemSetting night security illumination
(Headlamps delayed shut-off)
Use this function to set whether and how
long you would like the exterior lamps to il-
luminate 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 after
you have removed the SmartKey from the
starter switch or, when using
KEYLESS-GO*, open the driver's door:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
Front fog lamps
If you do not open a door after removing
the SmartKey from the starter switch, the
lamps will switch off automatically after
approximately 60 seconds.
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until you see
Headlamps delayed
shut-off
in the multifunction display.
The selection marker is on the current
setting.
Press buttonæ orç to select
the desired lamp-on period.
0 sec.
, the delayed shut-off feature
is deactivated.
15 sec.
, 30 sec.
, 45 sec.
or
60 sec.
, select the desired lamp-on
period.
Turn the exterior lamp switch to
positionU before turning off the en-
gine.
The headlamps delayed shut-off fea-
ture is activated.
You can temporarily deactivate the de-
layed shut-off feature:
Before exiting the vehicle, turn the
SmartKey in the starter switch to
position0.
Then turn it to position2 and back to
position0.
The delayed shut-off feature is deacti-
vated. It will reactivate as soon as you
reinsert the SmartKey in the starter
switch.
iYou can reactivate this function within
ten minutes by opening a door.
Page 167 of 506

165 Controls in detail
Control system
Vehicles with KEYLESS-GO*:
Press the KEYLESS-GO start/stop but-
ton on the gear selector lever
(page 35).
Setting interior lighting delayed shut-off
Use this function to set whether and how
long you would like the interior lighting to
remain lit during darkness after you have
removed the SmartKey from the starter
switch.
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until you see
Interior lamp delayed
shut-off
in the multifunction display.The selection marker is on the current
setting.
Press buttonæ orç to select
the desired lamp-on period.
You can select:
0 sec.
, the delayed shut-off feature
is deactivated.
5 sec.,
10 sec.
, 15 sec.
or
20 sec.
, the interior lighting de-
layed shut-off feature is activated
with the desired lamp-on period.
Setting ambient lighting
Using this function to adjust the brightness
of the ambient lighting.
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until you see
Ambient light Level
in
the multifunction display.
The selection marker is on the current
setting.
Press buttonæ orç to select
the desired brightness of the ambient
lighting.
The setting 1 represents the darkest
level and setting 5 the brightest level.
The ambient light is switched off at set-
ting 0.
Page 174 of 506

172 Controls in detailControl systemWhich messages will appear in the display
field depends on whether your telephone is
switched on or off:
If the telephone is off, the message in
the multifunction display is:
PHONE off
.
If the telephone is on:
The telephone will then search for a
network. During this time the display is
empty.
As soon as the telephone has found a
network,
READY
appears in the display.
This standby message indicates that your
telephone is ready for use and you can op-
erate it using the control system.Answering a call
When your telephone is ready to receive
calls, you can answer a call at any time. In
the display you will then see the message:
Press buttons.
You have answered the call. In the dis-
play you see the length of the call.Ending a call
Press buttont.
You have ended the call. In the display
you will again see the standby mes-
sage.
Dialing a number from the phone book
If your telephone is ready to receive calls,
you may select and dial a number from the
phone book at any time.
Press buttonÿ orè repeatedly
until you see the
Tel
menu in the dis-
play.
Press buttonj ork.
The control system reads the phone
book which is stored in the telephone.
This may take up to 30 seconds. In the
display you will see the message Please wait
.
When the message
Please wait
disap-
pears, the phone book has been load-
ed.
iIf you do not wish to accept a call,
press buttont.
Page 178 of 506

176 Controls in detailAutomatic transmissionOne-touch gearshifting
Even with an automatic transmission you
can change the gears manually when the
gear selector lever is in positionD.
Downshifting
Briefly press the gear selector lever to
the left in theD-direction.
The transmission will shift from the current
gear to the next lower gear as permitted by
the shift program. This action
simultaneously limits the gear range of the
transmission (
page 177).Upshifting
Briefly press the gear selector lever to
the right in theD+direction.
The transmission will shift from the current
gear to the next higher gear as permitted
by the shift program. This action simul-
taneously extends the gear range of the
transmission.Canceling gear range limit
Press and hold the gear selector lever
in theD+direction until
D reappears in
the multifunction display.
The transmission will shift from the current
gear range directly to gear rangeD.
Shifting into optimal gear range
Press and hold the gear selector lever
in theD-direction.
The transmission will automatically select
the gear range suited for optimal
acceleration and deceleration. This will
involve shifting down one or more gears.
Warning!
G
On slippery road surfaces, never downshift
in order to obtain braking action. This could
result in drive wheel slip and reduced
vehicle control. Your vehicle’s ABS will not
prevent this type of loss of control.
iTo avoid overrevving the engine when
the gear selector lever is moved to
theD-direction, the transmission will
not shift to a lower gear if the engine’s
max. speed would be exceeded.
Page 179 of 506

177 Controls in detail
Automatic transmission
Gear ranges
With the gear selector lever in positionD,
you can limit the transmission’s gear range
by pressing the gear selector lever to the
left (D-), and reverse the gear range limit
by pressing the gear selector lever to the
right (D+).
The selected gear range appears in the
multifunction display. If you press on the
accelerator when the engine has reached
its rpm limit, the transmission will upshift
beyond any gear range limit selected.
Effect
ï
The transmission shifts through
sixth gear only (applies only to
vehicles with 7-speed automatic
transmission).
î
The transmission shifts through
fifth gear only (applies only to
vehicles with 7-speed automatic
transmission).
é
The transmission shifts through
fourth gear only.
è
The transmission shifts through
third gear only.
With this selection you can use
the braking effect of the engine.
Effect
ç
The transmission shifts through
second gear only.
Allows the use of engine’s
braking power when driving
on steep downgrades
in mountainous regions
under extreme operating
conditions
æ
The transmission operates in
first gear only.
For maximum use of engine’s
braking effect on very steep or
lengthy downgrades.