Page 136 of 522

135 Controls in detail
Memory function
MMemory button
1, 2, 3Memory position button
Switch on the ignition (
page 37).
or
Open the respective door.
Storing positions into memory
Adjust the seats, steering wheel and
exterior rear view mirrors to the de-
sired position (
page 41).
Press memory buttonM.
Release memory buttonM and press
memory position button 1, 2 or 3 with-
in 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 ex-
cessively reclined position. Doing so could cause
damage to front or rear seats.
First move seat backrest to an upright position.
i
Releasing the memory position button stops
movement to the stored positions immediately.
The multicontour seat* will continue to be ad-
justed.
Page 139 of 522

138 Controls in detailLightingManual 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 au-
tomatically depending on the brightness of
the ambient light:
Low beam headlamps
Tail and parking lamps
License plate lamps
Side marker lamps
Turn 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 automati-
cally.
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.
i
If you hear a warning signal you have forgot-
ten to switch off the headlamps before opening
the driver’s door.
In addition the message
Switch off lights
appears in the multifunction display.
Switch off the headlamps.
Warning!
G
If the exterior lamp switch is set toU,
the headlamps may switch off unexpect-
edly when the system senses bright am-
bient 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 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.i
USA only:
With the automatic headlamp mode activated
you can switch on the high beam headlamps in
low ambient lighting conditions.
Page 140 of 522

139 Controls in detail
Lighting
Daytime 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 fol-
lowing lamps will switch on additional-
ly:
Tail and parking lamps
License plate lamps
Side marker lampsCanada 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 3 minute delay.When the engine is running, and you
turn the exterior lamp switch to
positionC, the parking lamps and
the side marker lamps switch on addi-
tionally.
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 137).
i
With the daytime running lamp mode activat-
ed and the engine running, you cannot switch off
the low beam headlamps manually.
i
With the exterior lamp switch in
positionM orU, you cannot switch on the
high beam headlamps.
The high beam flasher is available at all times.
For nighttime driving turn the exterior lamp
switch in positionB to permit activation of
the high beam headlamps.
Page 141 of 522

140 Controls in detailLightingUSA 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 173).
When the engine is running, and you turn
the exterior lamp switch to
positionCorB, the manual head-
lamp mode has priority over the daytime
running lamp mode.
The corresponding exterior lamps switch
on (
page 137).Locator lighting and night security illu-
mination
Locator lighting and night security illumi-
nation are described in the “Control sys-
tem” section, see (
page 174) and
(
page 175).
Fog lamps
i
With the daytime running lamp mode activat-
ed and the exterior lamp switch in positionM,
you cannot switch on the high beam headlamps.
The high beam flasher is available at all times.
For nighttime driving turn the exterior lamp
switch in positionB orU to permit activa-
tion of the high beam headlamps.
Warning!
G
In low ambient lighting or foggy 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.
i
Fog lamps will operate with the parking
lamps and/or the low beam headlamps on. Fog
lamps should only be used in conjunction with
low beam headlamps. Consult your State or
Province Motor Vehicle Regulations regarding
permissible lamp operation.
i
Fog lamps cannot be switched on with the
exterior lamp switch in positionU. To switch
on the fog lamps, turn the exterior lamp switch to
positionB first.
Page 143 of 522

142 Controls in detailLightingHigh beam
Turn the exterior lamp switch to
positionB (
page 137).
Push the combination switch in direc-
tion of arrow1 to switch on the high
beam.
The high beam headlamp indicator
lampA in the instrument cluster
comes on (
page 26).
Pull the combination switch in direction
of arrow2 to its original position to
switch off the high beam.
The high beam headlamp indicator
lampA in the instrument cluster
goes out.
High beam flasher
Pull the combination switch briefly in
direction of arrow2.
Corner-illuminating front fog lamps*
The corner-illuminating front fog lamps im-
prove illumination of the area in the direc-
tion into which you are turning.
The corner-illuminating front fog lamps will
operate with the engine running and with
the exterior lamp switch in
positionB (
page 137)
or
the exterior lamp switch in
positionU (
page 137)
or
the daytime running lamp mode
activated (
page 139).Driving forward
Switching on corner-illuminating front
fog lamps
Switch on the left or right turn signal
(page 57), depending on whether
you are turning left or right.
The respective front fog lamp comes on
and illuminates the area in the direc-
tion into which you are turning.
or
Turn steering wheel in desired direc-
tion.
The front fog lamp on the side of your
steering direction comes on.
i
With the automatic headlamp mode activat-
ed: The corner-illuminating front fog lamps will
only come on in low ambient lighting conditions.
i
If you are driving faster than 25 mph
(40 km/h), the corner-illuminating function is
not available.
i
If you have switched on the turn signal for
one side but turn the steering wheel in the oppo-
site direction, the corner-illuminating front fog
lamp comes on for the side indicated by the turn
signal.
The corner-illuminating front fog lamp remains lit
for a maximum of 3 minutes. Afterward, it goes
out even if the turn signal is still switched on.
Page 144 of 522

143 Controls in detail
Lighting
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
were 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 the cor-
ner-illuminating front fog lamps can be
switched off by returning the combination
switch to its original position.Driving in reverse
Switching on corner-illuminating front
fog lamps
Place the gear selector lever in
positionR.
The front fog lamp opposite to your
steering direction comes on.
Switching off corner-illuminating front
fog lamps
Place the gear selector lever out of
positionR.
The respective front fog lamp goes out.
i
The corner-illuminating front fog lamps tem-
porarily come on on both sides of the vehicle if
you turn the steering wheel in one direction and
then again in the other direction shortly thereaf-
ter.
i
The corner-illuminating front fog lamps will
come on automatically depending on the steer-
ing 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 automati-
cally depending on the steering angle.
i
There may be a brief delay before the cor-
ner-illuminating front fog lamps switch off.
Page 145 of 522
144 Controls in detailLightingHazard 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 au-
tomatically when an air bag deploys.
The hazard warning flasher switch is locat-
ed on the upper part of the center console.
1Hazard warning flasher switchSwitching on hazard warning flasher
Press the hazard warning flasher
switch1.
All turn signals lamps are flashing.Switching off hazard warning flasher
Press hazard warning flasher switch1
again.
i
With 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.
i
If the hazard warning flasher has been acti-
vated automatically, press hazard warning flash-
er switch1 once to switch it off.
Page 147 of 522

146 Controls in detailLightingManual control
Switching front/rear interior lighting on
and off
Press front/rear interior lighting
switch5 or 3 (
page 145) to switch
on the desired interior light.
Press front/rear interior lighting
switch5 or 3 again to switch off the
respective interior light.
Switching front reading lamps on and off
The front reading lamps are located in the
lower edge of the interior rear view mirror.
Press front reading lamp
switch1or4 (
page 145) to
switch on the desired front reading
lamp.
Press front reading lamp
switch1or4 again to switch off the
respective front reading lamp.Ambient lighting
You can switch the ambient lighting7
(
page 145) on and off, using the “Control
system” (
page 175).
Interior lighting in the rear
The overhead control panel is located
above the rear seat bench.
1Left rear reading lamp on/off
2Left rear reading lamp
3Ambient lighting switch, to brighten
4Ambient lighting
5Right rear reading lamp
6Right rear reading lamp on/off
7Ambient lighting switch, to dim
8Rear interior lamp