Page 128 of 498

127 Controls in detailSeats
Drive - Dynamic seat* with multicon-tour features
The Drive - Dynamic seat automatically ad-
justs the lateral support provided by the
backrest to your driving style.
The Drive - Dynamic seat electronically
controls the air pressure in the air cham-
bers of the backrest side bolsters. This
function improves driving comfort and
pleasure.
In addition, the Drive-Dynamic seat has a
movable seat cushion and inflatable air
cushions built into the backrest to provide
additional lumbar and side support.
The seat cushion movement, backrest
cushion height and curvature can be con-
tinuously varied with switches right side of
the seat on the driver side, or the left side
of the seat on the passenger side after
turning the SmartKey in the starter switch
to position2 or pressing the KEYLESS-GO*
start/stop button twice.1Activate drive dynamic function
2Backrest side bolsters
3Massage function
4Backrest center
5Backrest bottom
6Seat cushion depth
Switch on the ignition (
page 36).Multicontour features
Seat cushion depth
Adjust the seat cushion depth to the
length of your upper leg using
switch6.
Backrest contour
Move the backrest support to the bot-
tom by using button5 or to the center
by using button4.
Adjust the contour of the backrest to
the desired position using æ or
ç.
Backrest side bolsters
Adjust the side bolsters so that they
provide good lateral support using
switch2.
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 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 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 141 of 498

140 Controls in detailLightingDriving rearward
Switching on corner-illuminating front
fog lamps
Place the gear selector lever in
positionR.
The inverse front fog lamp comes on
automatically depending on the steer-
ing direction and steering angle.
Switching on corner-illuminating front
fog lamps
Place the gear selector lever out of
positionR.
The respective front fog lamp goes out.
Hazard 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
automatically when an air bag deploys.
The hazard warning flasher switch is locat-
ed on the center console.
1Hazard warning flasher switchSwitching on hazard warning flasher
Press the hazard warning flasher
switch1.
All turn signals are flashing.
Switching off hazard warning flasher
Press hazard warning flasher switch1
again.iWith the hazard warning flasher acti-
vated 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.iIf the hazard warning flasher has been
activated automatically, press hazard
warning flasher switch1 once to
switch off.
Page 145 of 498

144 Controls in detailInstrument clusterFor a full view illustration of the instrument
cluster, see “At a glance” (
page 24).
1Reset button
The instrument cluster is activated when
you
open a door
switch on the ignition
press the reset button1
switch on the exterior lamps
You can modify the instrument cluster set-
tings in the instrument cluster submenu of
the control system (
page 160).
Instrument cluster illumination
Use the reset button (
page 24) to adjust
the illumination brightness for the instru-
ment cluster.
Warning!
G
No messages will be displayed if either the
instrument cluster or the multifunction dis-
play is inoperative.
As a result, you will not be able to see infor-
mation about your driving conditions, such
as speed or outside temperature, warn-
ing/indicator lamps, malfunction/warning
messages or the failure of any systems.
Driving characteristics may be impaired.
If you must continue to drive, please do so
with added caution. Visit an authorized
Mercedes-Benz Center as soon as possible.
iThe instrument cluster illumination is
dimmed or brightened automatically to
suit ambient light conditions.
The instrument cluster illumination will
also be adjusted automatically when
you switch on the vehicle’s exterior
lamps.
Page 192 of 498

191 Controls in detail
Good visibility
Good visibility
For information on windshield wipers, see
“Windshield wipers” (
page 54).
Headlamp cleaning system*
The button is located on the left side of the
dashboard.
1Headlamp washer button
Switch on the ignition (
page 36).
Press button1.
The headlamps are cleaned with a
high-pressure water jet.For more information on filling up the
washer reservoir, see the “Operation” sec-
tion (
page 300).
Rear view mirrors
For more information on setting the rear
view mirrors, see “Mirrors” (
page 44).
Auto-dimming mirrors
The reflection brightness of the exterior
rear view mirror on the driver’s side and
the interior rear view mirror will respond
automatically to glare when
the ignition is switched on
and
incoming light from headlamps falls on
the sensor in the interior rear view mir-
ror.
The rear view mirrors will not react if
reverse gear is engaged
the interior lighting is turned on
iThe headlamps are cleaned automati-
cally if:
the lights are switched on
and
the windscreen is wiped with wind-
screen washer fluid fifteen times
If the ignition is switched off, the auto-
matic headlamp cleaning mode is reset
and counting is resumed from 0.