ContentsSafety and Security........................... 65
Occupant safety................................... 66
Air bags .......................................... 67
Seat belts ....................................... 73
Active head restraints .................... 77
Children in the vehicle .................... 78
Blocking of rear door window
operation ........................................ 89
Panic alarm .......................................... 91
Activating ....................................... 91
Deactivating ................................... 91
Driving safety systems ......................... 92
ABS ................................................ 92
BAS ................................................ 94
ESP
®.............................................. 94
Electrohydraulic brake system ....... 97
Four wheel electronic traction
system (4MATIC) with the ESP
®... 100
Anti-theft systems.............................. 101
Immobilizer................................... 101
Anti-theft alarm system ................ 101
Tow-away alarm ........................... 103
Controls in detail............................. 105
Locking and unlocking ....................... 106
SmartKey ..................................... 106
SmartKey with KEYLESS-GO* ...... 111
Opening the doors
from the inside ............................. 119
Opening the trunk ........................ 120
Closing the trunk.......................... 121
Trunk emergency release ............. 127
Valet locking ................................ 128
Automatic central locking ............ 129
Locking and unlocking
from the inside ............................. 129
Seats ................................................ 131
Front seat active head restraints . 131
Rear seat head restraints ............. 131
Lumbar support............................ 133
Drive - Dynamic seat* with
multicontour features................... 134
Seat heating* ............................... 135
Seat ventilation* .......................... 136Memory function ............................... 138
Storing positions into memory ..... 139
Recalling positions from memory . 139
Storing exterior rear view mirror
parking position ........................... 140
Lighting ............................................. 141
Exterior lamp switch .................... 141
Combination switch ..................... 145
Hazard warning flasher ................ 146
Interior lighting in the front .......... 147
Door entry lamps ......................... 148
Interior lighting in the rear ........... 149
Trunk lamp ................................... 149
Instrument cluster ............................. 150
Instrument cluster illumination .... 150
Coolant temperature indicator ..... 151
Trip odometer .............................. 151
Tachometer .................................. 152
Outside temperature indicator ..... 152
29 At a glance
Overhead control panel
Overhead control panel
Item
Page
1
Rear interior lighting on/off
147
2
Automatic interior lighting
147
3
Front interior lighting on/off
147
4
Temperature sensor
5
Right reading lamp on/off
147
6
Tilt/sliding sunroof* or
tilt/sliding panel*
236,
239
7
Tele Aid (emergency call
system) button
286
Item
Page
8
Rear view mirror
197
9
Reading lamps
147
a
Garage door opener
293
b
Tow-away alarm button
103
c
Ambient lighting
172
d
Interior lighting
e
Left reading lamp on/off
147
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.
148 Controls in detailLightingManual control
Front interior lighting
Press front interior lighting switch4.
The front interior lighting switches on.
Press front interior lighting switch4
again.
The front interior lighting switches off.
Rear interior lighting
Press rear interior lighting switch2.
The rear interior lighting switches on.
Press rear interior lighting switch2
again.
The rear interior lighting switches off.Front reading lamps
The front reading lamps are located in the
lower edge of the interior rear view mirror.
Press front reading lamp
switch1or5 to switch on the de-
sired front reading lamp.
Press front reading lamp
switch1or5 again to switch off the
respective front reading lamp.
Door entry lamps
For better orientation in the dark, the cor-
responding door entry lamps will switch on
in the darkness when you open a door and
the automatic control is activated.
The door entry lamps will switch off when
the corresponding door is closed.
iThe setting selected for the interior
lighting is used for the trunk lighting as
well.
If the trunk remains open, the trunk
lighting switches off automatically after
approximately 10 minutes.
iIf you turn the SmartKey in the starter
switch to position0 and switch off the
headlamps, the door entry lamps will
remain lit for approximately 5 minutes.
149 Controls in detail
Lighting
Interior lighting in the rear
The overhead control panel is located
above the rear seat bench.
1Ambient lighting switch, to brighten
2Rear reading lamp
3Rear reading lamp on/off
4Rear interior lamp
5Ambient lighting
6Ambient lighting switch, to dimRear reading lamps
Press respective rear reading lamp
switch3 to switch on the correspond-
ing rear reading lamp.
Press respective rear reading lamp
switch3 again to switch off the corre-
sponding rear reading lamp.
Ambient lighting
Press ambient lighting switch1or6
repeatedly until ambient lighting5
has reached the desired intensity.
You can switch the ambient lighting on and
off, using the Control system
(
page 172).
Trunk lamp
The trunk lamp switches on if the trunk is
opened.
If the trunk remains open, the trunk lamp
switches off automatically after approxi-
mately 10 minutes.
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)
170 Controls in detailControl systemSet date (year)
Move the selection marker with
buttonæ orç to the
Time/Date
submenu.
Press buttonj ork repeatedly
until the message
Set date year
ap-
pears in the multifunction display.
The selection marker is on the year set-
ting.
Press buttonæ orç to set the
year.Lighting 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 the message
Lamp circuit head-
lamp
appears in the multifunction dis-
play.
The selection marker is on the current
setting.
Function
Page
Set daytime running lamp mode
(USA only)
170
Setting locator lighting
171
Setting ambient lighting
172
Setting headlamps delayed
shut-off
172
Setting interior lighting delayed
shut-off
173
iThis function is not available in coun-
tries where the daytime running lamp
mode is mandatory and therefore in a
constant mode.
173 Controls in detail
Control system
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until the message
Headlamps delayed
shut-off
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to switch Headlamps delayed shut-off
on or
off
.
Turn the exterior lamp switch to
positionU before turning off the en-
gine.
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.
Vehicles with KEYLESS-GO*:
Press the KEYLESS-GO start/stop but-
ton on the gear selector lever
(page 37).Setting interior lighting delayed shut-off
Use this function to set whether you would
like the interior lighting to remain lit for
10 seconds 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 the message
Interior lighting
delayed shut-off appears in the mul-
tifunction display.
The selection marker is on the current
setting.
Press buttonæ orç to switch Interior lighting delayed shut-off
on or
off
.
iYou can reactivate this function within
10 minutes by opening a door.