Page 129 of 489
128 Controls in detail
Seats
Seat ventilation*
The blue indicator lamps on the switch
indicate the selected ventilation level:
1Seat ventilation switch
Switch on the ignition (page 40).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
blue indicator lamps go out.
Level
3Three blue indicator lamps on
(highest level)
2Two blue indicator lamps on
1One blue indicator lamp on
(lowest level)
offNo blue indicator lamp on
iIf one or all of the lamps on the seat
ventilation switch are flashing, there is insuffi-
cient voltage available since too many electrical
consumers are turned on. The seat ventilation
switches off automatically.
The seat ventilation will switch back on again
automatically as soon as sufficient voltage is
available.
Page 130 of 489

129 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
restraint should also be adjusted for
proper height. See also the section on
air bags (
page 70) 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
children should be seated in an appropri-
ate infant or child restraint system which is
properly secured by a lap-shoulder belt
and that complies with U.S. Federal Motor
Vehicle Safety Standards 213 and 225 and
Canadian Motor Vehicle Safety Standards
213 and 210.2.With the memory function you can store up
to three different configurations.
Each stored position on the driver’s side
includes the following settings:
Seat position and lumbar support
Multicontour seat*: previously saved
setting
Steering wheel position
Exterior rear view mirrors’ positionEach stored position on the passenger side
includes the following settings:
Seat position and lumbar support
Multicontour seat*: previously saved
setting
The memory switch is located on the door
control panel.
M Memory button
1, 2, 3 Stored positions
Switch on the ignition (page 40).
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 131 of 489
130 Controls in detail
Memory function
Storing positions into memory
Adjust the seats, steering wheel and
exterior rear view mirrors to the
desired position (
page 43).
Press memory buttonM.
Release memory button and press a
stored position button1, 2, or3 within
3 seconds.
All the settings are stored at the
selected 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 positions.
Page 132 of 489

131 Controls in detail
Lighting
Lighting
For information on how to switch on the
headlamps and use the turn signals, see
“Switching on headlamps” (
page 57)
and “Turn signals” (
page 57).
Exterior lamp switch
Exterior lamp switch
iIf you drive in countries where vehicles drive
on the other side of the road than the country in
which the vehicle is registered, you must have
the headlamps modified for symmetrical low
beams. Relevant information can be obtained at
any authorized Mercedes-Benz Center.
1‚Standing lamps, left
(turn left two stops)
2ˆStanding lamps, right
(turn left one stop)
3MOff
Daytime running lamp mode
(
page 133)
4UAutomatic headlamp mode
Daytime running lamp mode
(
page 133)
5CParking lamps (also side marker
lamps, tail lamps, license plate
lamps, instrument panel lamps)
6BLow beam headlamps or high
beam headlamps.
7‡Front fog lamps
8†Rear fog lamp
iIf you hear a warning signal, you have forgot-
ten to switch off the low beam headlamps or the
parking lamps before opening the driver’s door.
In addition, the message
Lights Are Still
On
appears in the multifunction display.
Switch off the low beam headlamps or the park-
ing lamps.
If the message
Switch off lights or
remove key.
appears in the multifunction
display, remove the SmartKey from the starter
switch or switch off the automatic headlamp
mode.
!Failure to switch off the exterior lamps when
leaving the vehicle may result in a discharged
battery.
Page 133 of 489

132 Controls in detail
Lighting
Low beam headlamps
The low beam headlamps can be switched
on and off with the exterior lamp switch
using the manual headlamp mode.
Turn the exterior lamp switch to
positionB.
The following lamps switch on:
Low beam headlamps
Tail and parking lamps
License plate lamps
Side marker lamps
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
position U.
With the SmartKey in starter switch
position1 or the KEYLESS-GO
start/stop button pressed once, the
tail and parking lamps, the license
plate lamps, and the side marker lamps
will switch on and off depending on the
brightness of the ambient light.
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 depending on the brightness of the
ambient light.
Warning!G
If the exterior lamp switch is set toU,
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.
iCanada only:
High beam headlamps are only available with the
exterior lamp switch in position B.
Page 134 of 489

133 Controls in detail
Lighting
Daytime running lamp mode
In Canada the daytime running lamp mode
is mandatory and therefore in a constant
mode.
In the USA the daytime running lamp mode
is deactivated by default. Activate the day-
time running lamp mode using the control
system, see “Setting daytime running lamp
mode (USA only)” (
page 163).
Turn the exterior lamp switch to
positionM orU.
When the engine is running, the low
beam headlamps are switched on.
In low ambient light conditions,
the following lamps will switch on
additionally:
Tail and parking lamps
Side marker lamps
License plate lampsCanada only:
When the engine is running and you shift
from a driving position to positionN orP
with the vehicle at a standstill, the low
beam headlamps will switch off with a
delay of 3 minutes.When the engine is running and you
turn the exterior lamp switch to
positionC, the low beam head-
lamps, the tail and parking lamps, the
license plate and the side marker
lamps switch on.
turn the exterior lamp switch to
position B, the manual headlamp
mode has priority over the daytime
running lamp mode
The corresponding exterior lamps
switch on (
page 131).
iWith the daytime running lamp mode activat-
ed and the engine running, the low beam head-
lamps cannot be switched off manually.
iWith the exterior lamp switch in
positionM or U, you cannot switch on the
high beam headlamps.
The high beam flasher is available at all times.
For nighttime driving you should turn the exterior
lamp switch to position B to permit activation
of the high beam headlamps.
Page 135 of 489

134 Controls in detail
Lighting
USA only:
When the engine is running and you turn
the exterior lamp switch to position
Cor B, the manual headlamp mode
has priority over the daytime running lamp
mode.
The corresponding exterior lamps switch
on (
page 131).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 164) and “Setting night security il-
lumination” (
page 164).Fog lamps
iWith the daytime running lamp mode
activated 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 you should turn the exterior
lamp switch to position B or U to permit
activation 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.
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
permissible lamp operation.
iThe fog lamps cannot be switched on with
the exterior lamp switch in position U. To
switch on the fog lamps, turn the exterior lamp
switch to position B first.
Page 136 of 489
135 Controls in detail
Lighting
Front fog lamps
Turn the exterior lamp switch to
positionCorB (
page 131).
Pull out the exterior lamp switch to
first stop.
The front fog lamps switch on.
The green indicator lamp ‡ in the
exterior lamp switch comes on
(
page 131).
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)
Turn the exterior lamp switch to
position orB (
page 131).
Pull out the exterior lamp switch to
second stop.
The front fog lamps and the rear fog
lamp switch on.
The yellow indicator lamp † in the
lamp switch comes on (
page 131).
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.
Combination switch
Combination switch
1High beam
2High beam flasher