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120 Controls in detailSeats1Seat ventilation switch
Make sure the ignition is switched on.
All lights in the instrument cluster
come on.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 (
!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.
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121 Controls in detail
You can store up to three different settings
The following settings are saved for each
Driver’s seat and backrest position
Steering wheel position
Driver’s side exterior rear view mirror
Passenger side exterior rear view mir-
Front passenger seat position
These SmartKey-dependent memory set-
tings can be deactivated if desired
!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 57) for
more information on proper seat posi-
In addition, adjust the steering wheel to
ensure adequate control, reach, opera-
tion and comfort. Both the interior and
outside 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
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 from 451
122 Controls in detailMemory functionThe memory switch is located on the door.
1, 2, 3Stored positions
Make sure the ignition is switched on
or the respective door is open and the
SmartKey is inserted in the starter
Storing positions in memory
Adjust the seats, steering wheel and
exterior rear view mirrors to the de-
sired position (
Press memory buttonM.
Release memory button and press
stored position button 1, 2 or 3 within
All the settings are stored at the select-
Recalling positions from memory
On memory button, 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-
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.
First move backrest to an upright position.
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123 Controls in detail
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” (
1Passenger side, exterior rear view mir-
Stop the vehicle.
Switch on ignition (if not already on).
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
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 using the memo-
iIf the mirror does move, repeat the
above steps. After the setting is stored,
you can move the mirror again.
Page 125 from 451
124 Controls in detailLighting
LightingFor information on how to switch on the
headlamps and use the turn signals, see
the “Getting started” section (
Exterior lamp switch
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.
UAutomatic headlamp mode
CParking lamps (also side marker
lamps, tail lamps, license plate
lamps, instrument panel lamps)
When engine is running, the low
beam is also switched on.
BParking lamps plus low beam or
high beam headlamps (combination
switch pushed forward).ˆStanding lamps, right (turn left one
‚Standing lamps, left (turn left two
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
iIf you remove the SmartKey and open
the driver’s door while the parking
lamps or low beam headlamps are
switched on, then
a warning sounds
$ appears in the multifunction
Switch off lights!
appears in the multifunction display