Page 120 of 498

119 Controls in detail
Locking and unlocking
Press switch1 briefly.
All turn signal lamps flash three
times.
The locking knobs in the doors
move down.
The anti-theft alarm system is
armed.
If the trunk lid comes into contact with an
object while closing (e.g. luggage that has
been piled too high), the closing procedure
is stopped and the trunk reopens slightly.
iYou can also close the trunk by hand.iTo prevent a possible inadvertent lock-
out, the trunk will open automatically if
a SmartKey with KEYLESS-GO is recog-
nized inside the vehicle or in the trunk.
Warning!
G
Monitor the closing procedure carefully to
make sure no one is in danger of being in-
jured. To prevent possible personal injury,
always keep hands and fingers away from
the trunk opening when closing the trunk.
Be especially careful when small children
are around. To stop the closing procedure,
do one of the following:
press KEYLESS-GO locking/closing
switch1
press the trunk closing switch
press the Šbutton on the SmartKey
with KEYLESS-GO
press the remote trunk lid switch (on the
driver’s door)
Even with the SmartKey with KEYLESS-GO
removed from the vehicle, the KEYLESS-GO
locking/closing switch can be operated.
Therefore do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment may cause an accident and/or serious
personal injury.Warning!
G
Only drive with the trunk closed as, among
other dangers such as blocked visibility, ex-
haust fumes may enter the vehicle interior.
Page 133 of 498

132 Controls in detailMemory functionThe memory button and stored position
buttons are located on the door.
MMemory button
1, 2, 3Stored position button
Switch on the ignition (
page 36).
or
Open the respective door.
Storing positions into memory
Adjust the seats to the desired position
(page 40).
Adjust the steering wheel (
page 42)
and exterior rear view mirrors
(
page 44) on the driver’s side to the
desired position.
Press memory buttonM.
Release memory buttonM and press
position button1, 2 or 3 within
3 seconds.
All the settings are stored to the select-
ed position.
Recalling positions from memory
Press and hold memory position
button1, 2 or3 until the seat, steering
wheel and exterior rear view mirrors
have completely moved to the stored
positions.!Do not operate the power seats using
the memory button if the seat backrest
is in an excessively reclined position.
Doing so could cause damage to front
or rear seats.iReleasing the memory position button
stops movement to the stored posi-
tions immediately.
Page 136 of 498

135 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.
Automatic headlamp mode
The following lamps switch on and off au-
tomatically 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 posi-
tion U.
With the SmartKey in starter switch
position1 or the KEYLESS-GO* start/stop
button once, only the parking 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.
iWith the SmartKey removed from the
starter switch or the engine turned off
with KEYLESS-GO* and the driver’s
door open a warning sounds if the park-
ing lamps or low beam headlamps are
switched on.
The message
Switch off lamps
appears in the multifunction display.
Warning!
G
If the exterior lamp switch is set toU,
the headlamps may switch off unexpect-
edly 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, acti-
vate 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 positionU to B with the
vehicle at a standstill in a safe location.
Switching fromU 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.
Page 137 of 498

136 Controls in detailLightingDaytime running lamp mode
Turn the exterior lamp switch to
positionM orU.
When the engine is running, the low
beam headlamps are automatically
switched on.
In low ambient light conditions the
parking lamps will also switch on:
Tail and parking lamps
License plate lamps
Side marker lamps
For nighttime driving you should turn the
exterior lamp switch to positionB to
permit activation of the high beam head-
lamps.Canada only:
The daytime running lamp mode is manda-
tory and therefore in a constant mode.
When the engine is running, and you shift
from a driving position to positionN orP,
the low beam headlamps will switch off
with a three-minute delay.
When the engine is running, and you
turn the exterior lamp switch to
positionC, the parking lamps
switch on additionally.
turn the exterior lamp switch to
positionB, the manual headlamp
mode has priority over the daytime run-
ning lamp mode.
The corresponding exterior lamps
switch on (
page 53).USA only:
By default, the daytime running lamp mode
is deactivated. Activate the daytime run-
ning lamp mode using the control system,
see “Setting daytime running lamp mode
(USA only)” (
page 164).
When the engine is running, and you turn
the exterior lamp switch to positionC
or B, the manual headlamp mode has
priority over the daytime running lamp
mode.
The corresponding exterior lamps switch
on (
page 53).
Locator lighting and night security illu-
mination
Locator lighting and night security illumi-
nation are described in the “Control sys-
tem” section, see (
page 165) and
(
page 166).
iWith the daytime running lamp mode
activated and the exterior lamp switch
in positionM, the high beam head-
lamps cannot be switched on.
The high beam flasher is available at all
times.
Page 140 of 498

139 Controls in detail
Lighting
Corner-illuminating front fog lamps* (CLS with Bi-Xenon* headlamps)
The corner-illuminating front fog lamps im-
prove illumination of the road onto which
you are turning.
Corner-illuminating front fog lamps will op-
erate with the engine running and with
the exterior lamp switch in
positionB (
page 134)
or
the exterior lamp switch in
positionU (
page 134)
or
the daytime running lamp mode
activated (
page 136)Driving forward
Switching on corner-illuminating front
fog lamps
Depending on wether you are turning
left or right, switch on the left or right
turn signal (
page 53).
The respective front fog lamp comes on
and illuminates the road onto which
you are turning.Switching off corner-illuminating front
fog lamps
The combination switch for the turn signal
resets automatically after major steering
wheel movements. This will switch off the
corner-illuminating front fog lamps if they
where activated by switching on the left or
right turn signal.
If the turn signal should stay on after mak-
ing the turn, the turn signal and corner-illu-
minating front fog lamps can be switched
off by returning the combination switch to
its original position.
iCorner-illuminating front fog lamps will
only come on in low ambient lighting
conditions.
The corner-illuminating front fog lamps
function is not available at a vehicle
speed above 25 mph (40 km/h).
iThe corner-illuminating front fog lamps
will come on automatically depending
on the steering angle, even if you did
not switch on either turn signal.
If the corner-illuminating front fog
lamps came on automatically, they will
also go out automatically depending on
the steering angle.
Page 141 of 498

140 Controls in detailLightingDriving rearward
Switching on corner-illuminating front
fog lamps
Place the gear selector lever in
positionR.
The inverse front fog lamp comes on
automatically depending on the steer-
ing direction and steering angle.
Switching on corner-illuminating front
fog lamps
Place the gear selector lever out of
positionR.
The respective front fog lamp goes out.
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 locat-
ed on the center console.
1Hazard warning flasher switchSwitching on hazard warning flasher
Press the hazard warning flasher
switch1.
All turn signals are flashing.
Switching off hazard warning flasher
Press hazard warning flasher switch1
again.iWith the hazard warning flasher acti-
vated 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.iIf the hazard warning flasher has been
activated automatically, press hazard
warning flasher switch1 once to
switch off.
Page 143 of 498

142 Controls in detailLightingManual control
Switching front/rear interior lighting on
and off
Press front/rear interior lighting
switch4 or2 to switch on the
desired interior light.
Press front/rear interior lighting
switch4 or2 again to switch off the
respective interior light.
Switching front reading lamps on and off
The front reading lamps are located in low-
er edge of the interior rear view mirror.
Press front reading lamp
switch1or5 to switch on the
desired front reading lamp.
Press front reading lamp
switch1or5 again to switch off the
respective front reading lamp.
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 desired 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 166).
Page 144 of 498
143 Controls in detail
Lighting
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 remains open, the trunk light-
ing switches off automatically after ap-
proximately 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.
iThe interior lighting is factory-set to au-
tomatic mode (
page 141).
The setting selected for the interior
lighting is used for the trunk lighting as
well.