Page 120 of 458
118 Controls in detailSeatsLumbar region support
Press k or j on rocker
switch4.
This selects the air cushion you wish to
adjust.
Press æ or ç on rocker
switch4.
The air cushion inflates or deflates.Side bolsters adjustment
Adjust the side bolsters so that they
provide good lateral support using
switch 2.Massage function (PULSE)
You can reduce muscle tension during long
trips by periodically using the massage
function.
Press button3.
The indicator lamp on button3 comes
on. The air cushions in the lumbar re-
gion inflate and deflate rhythmically.
iWhen the engine is turned off, the last
cushion setting is retained in memory,
and the cushion is automatically ad-
justed to this setting when the engine
is restarted.
iThe massage function switches off au-
tomatically after approximately eight
minutes. The indicator lamp extinguish-
es.
Page 121 of 458

119 Controls in detailSeats
Seat heating
Vehicles without seat ventilation*
The switch is located on the door.
1Normal heating
2Rapid heating
Switch on ignition (
page 34).
Switching on seat heating
Press switch1.
A red indicator lamp above the switch
comes on. Switching off seat heating
Press switch1 again.
Switching on rapid seat heating
Press switch2.
Both red indicator lamps above the
switch come on. Switching off rapid seat heating
Press switch2 again.
iThe seat heating will be automatically
switched off after approximately
30 minutes. iThe system switches over to normal
heating mode after approximately
five minutes. Only the right-hand indi-
cator lamp remains lit.
!If one or both 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 heating switches off auto-
matically.
The seat heater will switch back on
again automatically as soon as suffi-
cient voltage is available.
Page 122 of 458

120 Controls in detailSeatsVehicles with seat ventilation*
The switch is located on the door. The red
indicator lamps on the switch show the
heating level selected:
1Seat heating switch
Switch on ignition (
page 34).
Switching on seat heating
Press switch1 twice.
A red indicator lamp above the switch
comes on.
Switching off seat heating
Press switch1 again.
Switching on rapid seat heating
Press switch1 once.
Both indicator lamps above the switch
come on. Switching off rapid seat heating
Press switch1 twice.
Leveloff
No indicator lamp on
1
One indicator lamp on
2
Two indicator lamps on
iThe seat heating will be automatically
switched off after approximately
30 minutes.
iThe system switches over to normal
heating mode after approximately
five minutes. Only the right-hand indi-
cator lamp remains lit. !If one or both of the lamps on the seat
heating switch are flashing, there is in-
sufficient 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 123 of 458

121 Controls in detailSeats
Seat ventilation*
The switch is located on the door. Seat
ventilation can be activated manually with
the SmartKey in starter switch position 1
or 2. The driver’s seat ventilation can be
activated automatically by the summer
opening feature (
page 201).
The blue indicator lamps on the switch
show the ventilation level selected:
1Seat ventilation switch
Switch on ignition (
page 34).
Switching on seat ventilation
Press switch1.
Three blue indicator lamps above the
switch come on.
Continue pressing switch1 until the
desired seat ventilation level is
reached.Switching off seat ventilation
Press switch1 repeatedly until all in-
dicator lamps go out.
Level3
Three indicator lamps on
2
Two indicator lamps on
1
One indicator lamp on
off
No indicator lamp on
iThe seat ventilation for the driver’s seat
is automatically set to the highest level
if activated via summer opening fea-
ture (
page 201).
!If one or all of the lamps on the seat
ventilation switch are flashing, there is
insufficient voltage due to too many
electrical consumers being switched
on. The seat ventilation switches off au-
tomatically.
The seat ventilation will switch back on
again automatically as soon as suffi-
cient voltage is available.
Page 125 of 458

123 Controls in detail
Memory function
The memory button and stored position
switch are located on the door.
1Stored position button
2Memory button
Switch on ignition (
page 34).
or
Open the respective door and insert
the SmartKey in the starter switch.
Storing positions into memory
Adjust the seats, steering wheel and
exterior mirrors to the desired position
(page 37).
Press memory button2.
Release memory button2 and push
one of the position buttons1 within
three seconds.
All the settings are stored with the se-
lected position.
Recalling positions from memory
Press and hold one of the position
buttons1 until the seat, steering
wheel and exterior mirrors have fully
moved to the stored positions.iReleasing the button immediately
stops movement to the stored posi-
tions.Warning!
G
Do not operate the power seats using the
memory button if the seat backrest is in an
extremely reclined position. Doing so could
cause damage to front or rear seats.
First move seat backrest to an upright posi-
tion.
Page 165 of 458

163 Controls in detail
Control system
Limiting opening height of trunk lid*
This function is available on vehicles with
the trunk lid opening/closing system*.
Use this function to activate or deactivate
the limiting opening height of trunk lid.
Move the selection marker with
theæ orç button to
VEHICLE
submenu.
Press buttonj ork repeatedly
until you see this message in the multi-
function display:OPENING LIMITER
TRUNK LIDThe selection marker is on the current
setting.
Press buttonæ orç to switch
the opening limiter for trunk lid
ON
or
OFF
.Convenience submenu
Access the
CONVENIENCE
submenu via the
SETTINGS
menu. Use the
CONVENIENCE
sub-
menu to change the settings for a number
of convenience features. The following
functions are available:Setting key-dependency
Use this function to set whether the mem-
ory settings for the seats, the steering
wheel, the mirrors, and the automatic cli-
mate control should be stored separately
for each SmartKey (
page 122).
Move the selection marker with
theæ orç button to
the
CONVENIENCE
submenu.
Press buttonj ork repeatedly
until you see this message in the multi-
function display:
SETTINGS KEY-DEPEN-
DENT
.
The selection marker is on the current
setting.
Pressæ orç to set key-depen-
dency to
ON or
OFF
.
Function
Page
Setting key-dependency
163
Activating easy-entry/exit fea-
ture
164
Setting parking position for exte-
rior rear view mirrors
165
Setting fold-in function for exteri-
or rear view mirrors
165
Page 237 of 458
235 Controls in detail
Useful features
Opening storage compartment
Press button1 and lift the armrest.Opening storage tray and telephone
holder*
The tray contains a coin holder.
Press button2 and lift up the armrest.Storage compartment between rear
seats
1Cover
Opening
Slide cover1 rearward.
Closing
Slide cover1 forward.
iThe storage compartment can be heat-
ed or cooled.
The compartment can get very warm
due to its confined space. When storing
heat-sensitive objects in the compart-
ment, close the air vent (
page 196)
while heating the passenger compart-
ment.
!Do not obstruct the air vent in the stor-
age compartment.
!Do not let bank cards, credit cards or
other cards with a magnetic strip come
near the storage tray as a magnet built
into the tray could erase or change the
information on the card.
Page 238 of 458

236 Controls in detailUseful featuresStorage compartments under the front
seats
1Lid
2Buttons
Opening
Press buttons2 together and fold
lid1 down.
Closing
Close lid1 until both buttons2 of
lock engage.Cup holder in front of seat armrestFolding out cup holder
1Button for folding out the cup holder
Open the storage compartment in front
of the armrest (
page 234).
Push button1.
The cup holder opens automatically.
Warning!
G
In order to help prevent spilling liquids on
vehicle occupants, only use containers that
fit into the cup holder. Use lids on open con-
tainers and do not fill containers to a height
where the contents, especially hot liquids,
could spill during braking, vehicle maneu-
vers, or in an accident.
When not in use, keep the cup holder
closed. An open cup holder may cause injury
to you or others when contacted during
braking, vehicle maneuvers, or in an acci-
dent.
Keep in mind that objects placed in the cup
holder may come loose during braking, vehi-
cle maneuvers, or in an accident and be
thrown around in the vehicle interior. Ob-
jects thrown around in the vehicle interior
may cause an accident and/or serious per-
sonal injury.