126 Controls in detail
Memory function
Prior to operating the vehicle, the driver
should check and adjust the seat height,
seat position fore and aft, and seat back-
rest angle if necessary, to ensure adequate
control, reach and comfort. The head
restraint should also be adjusted for
proper height. See also the section on
air bags (
page 65) for proper seat
positioning.
In addition, adjust the steering wheel to
ensure adequate control, reach, operation
and comfort. Both the interior and exterior
rear view mirrors should be adjusted for
adequate rear vision.
Fasten seat belts. Infants and small chil-
dren should be seated in a properly se-
cured restraint system that complies with
U.S. Federal Motor Vehicle Safety
Standards 213 and 225 and
Canadian Motor Vehicle Safety Standards
213 and 210.2.The following settings are stored when
using the buttons on the driver’s door:
Driver’s seat, backrest and head
restraint position
Steering wheel position
Exterior rear view mirror position
The following settings are stored when
using the buttons on the passenger door:
Front passenger seat, backrest and
head restraint positionThe memory button and memory position
switch are located on the door.
1Memory button
2Memory position switch
Switch on the ignition (page 38).
or
Open the respective door and insert
the SmartKey in the starter switch.
Warning!G
Do not activate the memory function while
driving. Activating the memory function
while driving could cause the driver to lose
control of the vehicle.
129 Controls in detail
Lighting
Manual headlamp mode
The low beam headlamps and the parking
lamps can be switched on and off with the
exterior lamp switch.
Turn the exterior lamp switch to
positionB.
Automatic headlamp mode
The following lamps switch on and off
automatically depending on the brightness
of the ambient light:
Low beam headlamps
Tail and parking lamps
License plate lamps
Side marker lamps
Turn the exterior lamp switch to
positionU.
With the SmartKey in starter switch
position1 or the KEYLESS-GO*
start/stop button pressed once, only
the parking lamps and the side marker
lamps will switch on and off
automatically.
When the engine is running, the low
beam headlamps, the tail and parking
lamps, the license plate lamps, and the
side marker lamps will switch on and
off automatically.
Warning!G
If the exterior lamp switch is set toU,
the headlamps may switch off
unexpectedly when the system senses
bright ambient light, for example light
from oncoming traffic.
the headlamps will not be automatically
switched on under foggy conditions.
To minimize risk to you and to others,
activate headlamps by turning exterior lamp
switch to B when driving or when traffic
and / or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from position U to B with the
vehicle at a standstill in a safe location.
Switching from U to B will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions
may result in an accident.
The automatic headlamp feature is only an
aid to the driver. The driver is responsible for
the operation of the vehicle’s lights at all
times.
iUSA only:
With the automatic headlamp mode activated
you can switch on the high beam headlamps in
low ambient lighting conditions.
135 Controls in detail
Lighting
Hazard warning flasher
The hazard warning flasher can be
switched on at all times, even with the
SmartKey removed from the starter switch
or with the SmartKey with KEYLESS-GO*
removed from the vehicle.
The hazard warning flasher switches on
automatically when an air bag deploys.
The hazard warning flasher switch is
located on the center console.
1Hazard warning flasher switchSwitching on hazard warning flasher
Press hazard warning flasher
switch1.
All turn signal lamps are flashing.Switching off hazard warning flasherPress hazard warning flasher switch1
again.
iWith the hazard warning flasher activated
and the combination switch set for either left or
right turn, only the respective left or right turn
signals will operate when the ignition is switched
on (
page 38).
iIf the hazard warning flasher has been
activated automatically, press hazard warning
flasher switch1 once to switch it off.
136 Controls in detail
Lighting
Interior lighting
The controls are located in the overhead
control panel.
1Rear interior lighting on/off
2Right front reading lamp on/off
3Rocker switch for automatic control
system
4Left front reading lamp on/offDeactivating automatic control
Press the = symbol on rocker
switch3.
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 trunkActivating automatic control
Press rocker switch3 to center
position.
The interior lighting switch on in dark-
ness, when you
unlock the vehicle
remove the SmartKey from the
starter switch
open a door
open the trunk
The interior lighting switches off after ap-
proximately 10 seconds, see “Setting inte-
rior lighting delayed shut-off”
(
page 161).
!An interior lamp switched on manually does
not go out automatically.
Leaving an interior lamp switch in the ON posi-
tion for extended periods of time with the engine
turned off could result in a discharged battery.
iThe interior lighting is factory-set to auto-
matic mode.
iIf a door remains open, the interior lighting
switches off automatically after approximately
5minutes.
137 Controls in detail
Lighting
Manual control
Switching front interior lighting on and
off
Press the W symbol on rocker
switch3.
The front interior lighting comes on.
Press rocker switch3 to center
position to activate the automatic
control.
Switching rear interior lighting on and
off
Press button V.
The lighting in the rear passenger
compartment comes on.
Press button V again.
The lighting in the rear passenger
compartment goes out.Switching front reading lamps on and off
Press the left or right button X to
switch on the desired front reading
lamp.
Press the left or right button X
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 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.
Trunk lamp
The trunk lamp switches on if the trunk is
opened.
If the trunk lid remains open, the trunk
lamp switches off automatically after
approximately 10 minutes.
iIf you turn the SmartKey in the starter
switch to position0 and switch off the head-
lamps, the door entry lamps will remain lit for
approximately 5 minutes.
141 Controls in detail
Control system
Control system
The control system is activated as soon as
the SmartKey in the starter switch is
turned to position1 or as soon as the
KEYLESS-GO* start/stop button is in
position1. The control system enables you
to
call up information about your vehicle
change vehicle settings
For example, you can use the control sys-
tem to find out when your vehicle is next
due for service, to set the language for
messages in the instrument cluster dis-
play, and much more.
The control system relays information to
the multifunction display.
Multifunction display
1Outside temperature
2Trip odometer
3Current shift program mode
4Main odometer
5Current gear selector lever posi-
tion/gear range
For more information on menus displayed
in the multifunction display, see “Menus”
(
page 144).
iThe displays for the audio systems (radio,
CD player etc.) 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 (approxi-
mately 14 m) every second.
150 Controls in detail
Control system
Press buttonè orÿ repeatedly
until the vehicle status message
memory appears in the multifunction
display.
If the vehicle status message memory
menu does not appear, then there are
no messages stored.Vehicle status messages have been
recorded
If conditions have occurred causing status
messages to be recorded, the number of
messages appears in the multifunction
display:
1Number of messages
Press buttonk orj.
The stored messages will now be
displayed in the order in which they
have occurred.
For malfunction and warning messag-
es, see “Vehicle status messages in the
multifunction display” (
page 368).Should the vehicle’s system record any
conditions while driving, the number of
messages will reappear in the multifunc-
tion display when the SmartKey in the
starter switch is turned to position0 or
removed from the starter switch. With
KEYLESS-GO*, turn off the engine by
pressing the KEYLESS-GO* start/stop
button and open the driver’s door.
Warning!G
Malfunction and warning messages are only
indicated for certain systems and are inten-
tionally not very detailed. The malfunction
and warning messages are simply a remind-
er with respect to the operation of certain
systems and do not replace the owner’s
and/or driver’s responsibility to maintain
the vehicle’s operating safety by having all
required maintenance and safety checks
performed on the vehicle and by bringing
the vehicle to an authorized Mercedes-Benz
Center to address the malfunction and
warning messages (
page 368).
iThe vehicle status message memory will be
cleared when you switch on the ignition
(
page 38). You will then only see high-priority
messages in the multifunction display
(
page 368).
160 Controls in detail
Control system
Setting night security illumination
(Headlamps delayed shut-off feature)
Use this function to set whether you would
like the exterior lamps to remain on for
15 seconds during darkness after exiting
the vehicle and closing all doors.
With the headlamps 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:
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
Headlamps delayed
shut-off
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the headlamps delayed shut-off feature
Onor Off.
Turn the exterior lamp switch to
position U before turning off the
engine.
The headlamps delayed shut-off
feature is activated.You can temporarily deactivate the head-
lamps delayed shut-off feature:
Before exiting the vehicle, turn the
SmartKey in the starter switch to
position0.
Then turn it to position2 and back
to0.
The headlamps delayed shut-off
feature is deactivated. 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 38).