Page 121 of 480
120 Controls in detailSeatsSeat ventilation*
The switch is located on the door. The blue
indicator lamps on the switch indicate the
selected ventilation level:
1Seat ventilation switch
Switch on the ignition (
page 36).Switching on seat ventilation
Press switch1.
Three blue indicator lamps on the
switch come on.
Continue pressing switch 1 until the
desired seat ventilation level is
reached.
Switching off seat ventilation
Press switch1 repeatedly until all in-
dicator lamps go out.
Level3
Three indicator lamps on
(highest level)
2
Two indicator lamps on
1
One indicator lamp on
(lowest level)
off
No indicator lamp on
iIf one or all of the lamps on the seat
ventilation switch are flashing, there is
insufficient voltage available since too
many electrical consumers are turned
on. The seat ventilation switches off au-
tomatically.
The seat ventilation will switch back on
again automatically as soon as suffi-
cient voltage is available.
Page 122 of 480

121 Controls in detail
Memory function
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 re-
straint should also be adjusted for proper
height. See also the section on airbags
(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 Stan-
dard 213 and Canadian Motor Vehicle
Safety Standard 213.With the memory switch you can store up
to three different settings.
The following settings are stored when us-
ing the buttons on the driver’s door:
Driver’s seat and backrest position
Steering wheel position
Driver’s side exterior rear view mirror
position
Passenger side exterior rear view mir-
ror position
The following settings are stored when us-
ing the buttons on the passenger door:
Passenger seat and backrest positionThe memory switch is located on the door
control panel.
M Memory button
1, 2, 3 Stored positions
Switch on the ignition (
page 36).
or
Open the respective door.
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.
Page 123 of 480
122 Controls in detailMemory functionStoring positions into memory
Adjust the seats, steering wheel and
exterior rear view mirrors to the de-
sired position (
page 39).
Press memory buttonM.
Release memory button and press a
stored position button1, 2, or3 within
3 seconds.
All the settings are stored at the select-
ed position.
Recalling positions from memory
On memory switch, press and hold
stored position button1, 2 or3 until
the seat, steering wheel and exterior
rear view mirrors have fully moved to
the stored positions.iReleasing the button immediately
stops movement to the stored posi-
tions.
Page 124 of 480

123 Controls in detail
Lighting
Lighting
For information on how to switch on the
headlamps and use the turn signals, see
“Switching on headlamps” (
page 53)
and “Turn signals” (
page 53).
Exterior lamp switch
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.
MOff
Daytime running lamp mode
(
page 125)
UAutomatic headlamp mode
Daytime running lamp mode
(page 125)CParking lamps (also tail lamps, li-
cense plate lamps, side marker
lamps, instrument panel lamps)
Canada only: When the engine is
running, the low beam headlamps
are also switched on.
BLow beam headlamps (or high
beam headlamps when the combi-
nation switch is pushed forward)
and parking lamps
ˆStanding lamps, right (turn left one
stop)
‚Standing lamps, left (turn left two
stops)
CIndicator lamp for parking lamps
‡Indicator lamp for front fog lamps
†Indicator lamp for rear fog lamp
iIf you drive in countries where vehicles
drive on the other side of the road than
the country in which the vehicle is reg-
istered, you must have the headlamps
modified for symmetrical low beams.
Relevant information can be obtained
at any authorized Mercedes-Benz
Center.
Page 125 of 480

124 Controls in detailLightingManual headlamp mode
The low beam headlamps and parking
lamps can be switched on or 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 lamps
Parking lamps
License plate lamps
Side marker lamps
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
parking lamps or the low beam head-
lamps are switched on.
The message $
Turn 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 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.
Page 126 of 480

125 Controls in detail
Lighting
Turn the exterior lamp switch to posi-
tion U.
With the SmartKey in starter switch
position1 or the KEYLESS-GO
start/stop button pressed 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.Daytime running lamp mode
Turn the exterior lamp switch to
positionM orU.
When the engine is running, the low
beam headlamps are switched on auto-
matically.
In low ambient light conditions, the fol-
lowing lamps will switch on additional-
ly:
Tail lamps
Side marker lamps
Parking lamps
License plate lampsFor nighttime driving you should turn the
exterior lamp switch to positionB to
permit activation of the high beam head-
lamps.
iWith the daytime running lamp mode
activated and the exterior lamp switch
in positionM, the highbeam head-
lamps cannot be switched on.
The highbeam flasher is available at all
times.
Page 127 of 480

126 Controls in detailLightingCanada 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 posi-
tion C, the parking lamps switch on
additionally
turn the exterior lamp switch to posi-
tion B, the manual headlamp mode
has priority over the daytime running
lamp mode
The corresponding exterior lamps
switch on (
page 123).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 152).
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 123).
Locator lighting and night security
illumination
Locator lighting and night security illumi-
nation are described in the control system
section, see “Setting locator lighting”
(
page 153) and “Setting night security il-
lumination” (
page 154).Fog lamps
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.iFog 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 permis-
sible lamp operation.
Page 128 of 480

127 Controls in detail
Lighting
Front fog lamps
Switch on the low beam headlamps
(page 53).
Pull out the exterior lamp switch to first
stop.
The front fog lamps are switched on.
The green indicator lamp ‡ in the
exterior lamp switch comes on
(page 123).
Push in the exterior lamp switch.
The front fog lamps are switched off.
The green indicator lamp ‡ in the
exterior lamp switch goes out.Rear fog lamp (driver’s side only)
Switch on the front fog lamps
(page 127).
Pull out the exterior lamp switch to sec-
ond stop.
The rear fog lamp is switched on.
The yellow indicator lamp † in the
lamp switch comes on (
page 123).
Push in the exterior lamp switch to first
stop.
The rear fog lamp is switched off.
The yellow indicator lamp † in the
exterior lamp switch goes out.
The front fog lamps remain lit.Corner-illuminating front fog lamps*
(vehicles with Bi-Xenon* headlamps
and without Sport Package*)
The corner-illuminating front fog lamps im-
prove illumination of the road 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 123)
or
the exterior lamp switch in
positionU (
page 123)
or
the daytime running lamp mode
activated (
page 125)
iThe fog lamps cannot be switched on
with the exterior lamp switch in posi-
tion U. To switch on the fog lamps,
turn the exterior lamp switch to posi-
tion B first.