Page 129 of 498

128 Controls in detailSeatsDrive-dynamic features
Activating
Press button1 (
page 127).
The indicator lamp in the button comes
on and the following display appears in
the multi-function display for about
5 seconds.Deactivating
Press button1 (
page 127) again.
The indicator lamp in the button goes
out.
Massage function (PULSE)
The massage function can help prevent
muscle tension during long drives.
Press button3 (
page 127).
The indicator lamp in button3 comes
on. The air cushions in the lumbar area
pulsate.
Seat heating*
Both switches for the front seats are locat-
ed in the center console. The red indicator
lamps in the switch come on to show
which heating level you have selected.
1Front seat heating switch
Switch on the ignition (
page 36).
iYou can adjust the characteristics of
the Drive - Dynamic seat using the con-
trol system (
page 170).
iWhen the engine is turned off, the last
cushion setting is retained in memory.
The cushion is automatically adjusted
to this setting when the engine is re-
started.iThe massage function turns off
automatically after approximately
5 minutes.
Page 130 of 498
129 Controls in detailSeats
Switching seat heating on
Press switch1 repeatedly until the
desired heating level is set.
One or more red indicator lamps on the
switch show the selected heating level.
Switching seat heating off
Press switch1 repeatedly until all
indicator lamps go out.
Level3
Three indicator lamps on
(highest level)The seat heating automatically
switches to level 2 after approxi-
mately 5 minutes.
2
Two indicator lamps onThe seat heating automatically
switches to level 1 after approxi-
mately 10 minutes.
1
One indicator lamp on (lowest
level)The seat heating automatically
switches off after approximately
20 minutes.
off
No indicator lamp on
iIf one or more of the lamps on the seat
heating switch are flashing, there is
insufficient voltage available since too
many electrical consumers are turned
on. The seat heating switches off auto-
matically.
The seat heating will switch back on
again automatically as soon as suffi-
cient voltage is available.
Page 131 of 498

130 Controls in detailSeatsSeat ventilation*
The switch is located on the center con-
sole. Seat ventilation can be activated
manually with the ignition on, or by the
summer opening feature (
page 217).
1Seat ventilation switchThe blue indicator lamps on the switch
show the ventilation level selected:
Switch on the ignition (
page 36).
Switching seat ventilation on
Press button1 repeatedly until the
desired ventilation level is set.Switching seat ventilation off
Press button1 repeatedly until all
indicator 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
iThe seat ventilation is automatically set
to the highest level if activated via sum-
mer opening feature (
page 217).
iIf one or all of the lamps flash on the
seat ventilation switch, there is insuffi-
cient voltage due to too many electrical
consumers being switched on. The seat
ventilation switches off automatically.
The seat ventilation will switch back on
again automatically as soon as suffi-
cient voltage is available.
Page 132 of 498

131 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 air bags
(page 65) for more information on prop-
er 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-
dards 213 and 225 and Canadian Motor
Vehicle Safety Standards 213 and 210.2.With the memory function you can store up
to three different settings.
The following settings are stored when
using the buttons on the driver’s door:
Driver’s seat, backrest and head
restraint position
Settings for multicontour seat*
Steering wheel position
Exterior rear view mirror positionThe following settings are stored when
using the buttons on the front passenger
door:
Front passenger seat, backrest and
head restraint position
Settings for multicontour seat*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 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 134 of 498
133 Controls in detail
Memory function
Storing exterior rear view mirror park-ing position
For easier parking, you can adjust the pas-
senger-side exterior rear view mirror so
that you can see the right rear wheel as
soon as you engage reverse gearR.
For information on activating the parking
position, see “Activating exterior rear view
mirror parking position” (
page 192).
1Passenger side, exterior rear view mir-
ror
2Adjustment button
3Memory button
Stop the vehicle.
Switch on the ignition (
page 36).
Press button1.
The passenger-side exterior rear view
mirror is selected.
Adjust the exterior rear view mirror
with button2 so that you see the rear
wheel and the road curb.
Press memory buttonM3.
Within 3 seconds, press bottom of ad-
justment button2.
The parking position is stored if the
mirror does not move.iIf the mirror does move, repeat the
above steps. After the setting is stored,
you can move the mirror again.
Page 135 of 498

134 Controls in detailLightingFor information on how to switch on the
headlamps and use the turn signals, see
“Switching on headlamps” (
page 53)
and see “Turn signals” (
page 53).
Exterior lamp switch
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.Exterior lamp switchMOff
Daytime running lamp mode
(
page 136)
UAutomatic headlamp mode
Daytime running lamp mode
(page 136)CParking lamps (also tail lamps,
license plate lamps, side marker
lamps, instrument panel lamps)
Canada only:
When engine is running, the low
beam is 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)
‡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 where the vehicle is regis-
tered, you must have the headlamps
modified for symmetrical low beams.
Relevant information can be obtained
at your authorized Mercedes-Benz
Center.iVehicles equipped with active Bi-Xe-
non* headlamps: The active Bi-Xenon
headlamps monitor your steering angle
and driving speed, then automatically
shift their beams to either side to bet-
ter follow the curvature of the road
ahead, increasing usable illumination
over conventional headlamps.
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.