Page 129 of 506

127 Controls in detailSeats
Drive-dynamic features
Activating
Press button4 (
page 126).
The indicator lamp in the button comes
on for five seconds and the following
display appears in the multi-function
display for about five seconds.
Deactivating
Press button4 (
page 126) again.
The indicator lamp in the button goes
out.Massage function (PULSE)
The massage function can help prevent
muscle tension during long drives.
Press button6 (
page 126).
The indicator lamp in button2 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.
iYou can adjust the characteristics of
the Drive - Dynamic seat using the con-
trol system (
page 169).
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 auto-
matically after approximately five min-
utes.
Leveloff
No indicator lamps on
1
One indicator lamp on
2
Two indicator lamps onThe seat heater automatically
switches to level 1 after approxi-
mately ten minutes.
3
Three indicator lamps onThe seat heater automatically
switches to level 2 after approxi-
mately five minutes.
Page 130 of 506

128 Controls in detailSeats1Seat heating switch
Switch on the ignition (
page 33).
Switching seat heating on
Press button1 repeatedly until the
desired heating level is set.
One or more red indicator lamps on the
switch show the selected heater level.Switching seat heating off
Press button1 repeatedly until all in-
dicator lamps go out.
Seat 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 220).
The blue indicator lamps on the switch
show the ventilation level selected:
iThe seat heating will be automatically
switched off after approximately
20 minutes.!If one or more of the lamps on the seat
heater switch are flashing, there is in-
sufficient voltage available since too
many electrical consumers are turned
on. The seat heater switches off auto-
matically.
The seat heater will switch back on
again automatically as soon as suffi-
cient voltage is available.
Level3
Three indicator lamps on
2
Two indicator lamps on
1
One indicator lamp on
off
No indicator lamp on
Page 131 of 506
129 Controls in detailSeats
1Seat ventilation switch
Switch on the ignition (
page 33).Switching seat ventilation on
Press button1 repeatedly until the
desired ventilation level is set.
Switching seat ventilation off
Press button1 repeatedly until all in-
dicator lamps go out.iThe seat ventilation is automatically set
to the highest level if activated via sum-
mer opening feature (
page 220).
!If 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 506

130 Controls in detailMemory function
You can store up to three different settings
for each SmartKey or SmartKey with
KEYLESS-GO*.
The following settings are stored when us-
ing the buttons on the driver’s door:
Driver’s seat, backrest, head restraint
position and settings for multicontour
seat
Steering wheel position
Exterior rear view mirror positions
These SmartKey-dependent memory set-
tings can be deactivated if desired. For in-
formation on SmartKey-dependent
memory settings, see “Setting
SmartKey-dependency” (
page 168).
The following settings are not
SmartKey-dependent. They are stored
when using the buttons on the front pas-
senger door:
Front passenger seat, backrest, head
restraint position and settings for mul-
ticontour seat
!Prior to operating the vehicle, the driv-
er should check and adjust the seat
height, seat position fore and aft, and
seat backrest 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 61) for
more information on proper seat posi-
tioning.
In addition, adjust the steering wheel to
ensure adequate control, reach, opera-
tion and comfort. Both the interior and
exterior rear view mirrors should be ad-
justed for adequate rear vision.
Fasten seat belts. Infants and small
children should be seated in a properly
secured restraint system that complies
with U.S. Federal Motor Vehicle Safety
Standards 213 and 225 and Canadian
Motor Vehicle Safety Standards 213
and 210.2.
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 506

131 Controls in detail
Memory function
The memory button and stored position
button are located on the door.
MMemory button
1, 2, 3Stored position button
Switch on the ignition (
page 33).
or
Open the respective door and insert
the SmartKey in the starter switch.
Storing positions into memory
Adjust the seats, steering wheel and
exterior rear view mirrors to the de-
sired position (
page 37).
Press memory buttonM.
Release memory buttonM and press
stored position button 1, 2 or 3 within
three seconds.
All the settings are stored to the select-
ed position.
Recalling positions from memory
Press and hold stored 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 stored position button
stops movement to the stored posi-
tions immediately.
Page 134 of 506

132 Controls in detailMemory functionStoring 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 187).
1Passenger side, exterior rear view mir-
ror
2Adjustment button
Stop the vehicle.
Switch on the ignition (
page 33).
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 button M.
Within three seconds, press bottom of
adjustment button2.
The parking position is stored if the
mirror does not move.
iYou can store a parking position for the
passenger side exterior rear view mir-
ror for each SmartKey or SmartKey
with KEYLESS-GO*.
iIf the mirror does move, repeat the
above steps. After the setting is stored,
you can move the mirror again.
Page 135 of 506

133 Controls in detail
Lighting
Lighting
For information on how to switch on the
headlamps and use the turn signals, see
“Switching on headlamps” (
page 50)
and see “Turn signals” (
page 51).
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 134)
UAutomatic headlamp mode
Daytime running lamp mode
(page 134)
CParking lamps (also tail lamps, li-
cense plate lamps, side marker
lamps, instrument panel lamps)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.
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
ap-
pears in the multifunction display.
Page 136 of 506

134 Controls in detailLightingManual 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.
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
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.
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. Switching from U
to B will briefly switch off the head-
lamps. Doing so while driving in low ambient
lighting conditions may result in an acci-
dent.
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.