Page 114 of 474
113 Controls in detailSeats
Multicontour seats* (Canada only)
This driver’s multicontour seat has a mov-
able seat cushion and inflatable air cush-
ions built into the backrest to provide
additional lumbar and side support.
The seat cushion movement, backrest
cushion height and curvature can be
continuously varied with switches on the
side of the seat after switching on ignition.
1Seat cushion depth
2Backrest bottom
3Backrest center
4Backrest side bolster adjustment
Switch on the ignition (
page 33).
Seat cushion depth
Adjust the seat cushion depth to the
length of your upper leg using
switch1.
Backrest contour
Adjust the contour of the backrest to
the desired position using switches2
and3.
Backrest side bolsters
Adjust the backrest side bolsters so
that they provide good lateral support
using switch4.
Seat heating*
The switches for the front seats are
located in the center console.
1Seat heating switch
2Indicator lamps
Page 115 of 474

114 Controls in detailSeatsThe red indicator lamps2 in the switch
show the heating level selected.
Switch on the ignition (
page 33).
Switching on seat heating
Press switch1 once.
Three red indicator lamps2 in the
switch come on.
Continue pressing switch1 until
desired seat heating level is reached.Switching off seat heating
Press switch1 repeatedly until all
indicator lamps2 go out.
Level3
Three indicator lamps on
(highest level).
After approximately 5 minutes,
seat heating is automatically
switched to level2.
2
Two indicator lamps on.
After approximately 10 minutes,
seat heating is automatically
switched to level1.
1
One indicator lamp on (lowest
level).
After approximately 20 minutes,
seat heating is automatically
switched off.
off
No indicator lamp on.
iIf one or more of the indicator
lamps2 on the seat heating switch
are flashing, there is insufficient volt-
age due to too many electrical consum-
ers are turned on. The seat heating
switches off automatically.
The seat heating will switch back on
again automatically as soon as
sufficient voltage is available.
Page 117 of 474

116 Controls in detailMemory function*The memory button and memory position
switch are located on the door.
1Memory button
2Memory position switch
Switch on the ignition (
page 33).
or
Open the respective door.
Storing positions into memory
Adjust the seat, steering wheel and
exterior rear view mirrors to the
desired position (
page 35).
Turn memory position switch2 to the
desired memory position.
Press memory button1.
Release memory button1 and press
memory position switch2 within
3 seconds.
All settings are stored to the selected
position.
Recalling positions from memory
Turn memory position switch2 to the
desired memory position.
Press and hold memory position
switch2 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 switch
stops movement to the stored
positions immediately.
Page 118 of 474
117 Controls in detail
Memory function*
Storing exterior rear view mirror parking position
For easier parking, you can adjust the
passenger-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 feature, see “Activating exterior
rear view mirror parking position*”
(page 172).1Memory button
2Adjustment button
3Passenger-side exterior rear view
mirror button
Stop the vehicle in a safe location.
Switch on the ignition (
page 33).
Press button3.
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 button1.
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 128 of 474
127 Controls in detail
Instrument cluster
Instrument cluster
For 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 ignition (
page 33)
press reset button1
switch on the exterior lighting
You can change the instrument cluster
settings in the Instrument cluster submenu
of the control system (
page 143).
Instrument cluster illumination
Use reset button1 to adjust the
illumination brightness for the instrument
cluster.To brighten illumination
Turn reset button1 clockwise.
The instrument cluster illumination will
brighten.
To dim illumination
Turn reset button1 counterclock-
wise.
The instrument cluster illumination will
dim.
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 157 of 474

156 Controls in detailControl systemFuel consumption since last reset
Press buttonÿ orè repeatedly
until the first function of the trip
computer menu appears in the
multifunction display.
Press buttonj ork repeatedly
until the message
After reset
appears
in the multifunction display.
1Distance driven since last reset
2Time elapsed since last reset
3Average speed since last reset
4Average fuel consumption since last
resetResetting fuel consumption statistics
Press buttonÿ orè repeatedly
until the first function of the trip
computer menu appears in the
multifunction display.
Press buttonj ork repeatedly
until the reading that you want to reset
appears in the multifunction display.
Press and hold the reset button in the
instrument cluster (
page 127) until
the value is reset to0.Distance to empty
Switch on the ignition (
page 33).
Press buttonÿ orè repeatedly
until the first function of the trip
computer menu appears in the
multifunction display.
Press buttonj ork repeatedly
until the message
Distance
appears in
the multifunction display.
The calculated range based on the
current fuel tank level appears in the
multifunction display.
Page 171 of 474
170 Controls in detailGood visibilityFor information on the windshield wipers,
see “Windshield wipers” (
page 53).
Headlamp cleaning system*
The button is located on the left side of the
dashboard.
1Headlamp washer button
Switch on the ignition (
page 33).
Press button 1.
The headlamps are cleaned with a
high-pressure water jet.For information on filling up the washer
reservoir, see “Windshield washer system
and headlamp cleaning system*”
(
page 303).
Rear view mirrors
For more information on setting the rear
view mirrors, see “Mirrors” (
page 43).
Interior rear view mirror,
antiglare position
1Lever
Tilt the mirror to the antiglare night
position by moving lever1 towards
the windshield.
The interior rear view mirror is dimmed.
iThe headlamps will automatically be
cleaned when you have
switched on the headlamps
and
operated the windshield wipers
with windshield washer fluid
15 times
When you switch off the ignition, the
counter resets.
Page 172 of 474

171 Controls in detail
Good visibility
Auto-dimming rear view 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
mirror.
The rear view mirror will not react if
reverse gearR is engaged
the interior lighting is turned on
Warning!
G
The auto-dimming function does not react if
incoming light is not aimed directly at
sensors in the interior rear view mirror.
The interior rear view mirror and the exterior
rear view mirror on the driver’s side do not
react, for example, if the rear window
sunshade* is in raised position.
Glare can endanger you and others.Warning!
G
In case of an accident, liquid electrolyte may
escape from the mirror housing if the mirror
glass breaks.
Electrolyte has an irritating effect. Do not
allow the liquid to come into contact with
eyes, skin, clothing, or respiratory system.
In case it does, immediately flush affected
area with water, and seek medical help if
necessary.
!Electrolyte drops coming into contact
with the vehicle paint finish can be
completely removed only while in the
liquid state and by applying plenty of
water.Warning!
G
Exercise care when using the passen-
ger-side exterior rear view mirror. The mirror
surface is convex (outwardly curved surface
for a wider field of view). Objects in mirror
are closer than they appear. Check your
interior rear view mirror or glance over your
shoulder before changing lanes.