X
Pull seat release handle 0043forwards and
fold the backrest forwards as far as it will
go.
The seat automatically moves to the fore-
most position and the head restraint is low-
ered.
Folding the seat backrest back X
Fold back the backrest horizontally until it
engages.
The seat moves automatically to the last
position. Adjusting the active multicontour
seat
The settings for the active multicontour seat
are only activated if:
R the seat is occupied
R the seat belt is fastened.
Vehicles installed with the Seat Comfort
package: you can adjust the active multicon-
tour seat for the driver and front passenger
with COMAND (see the separate operating
instructions). Adjusting the 4-way lumbar support
The 4-way lumbar support can be adjusted
with COMAND (see the separate operating
instructions). Switching the seat heating on/off
Switching on/off G
WARNING
Repeatedly switching on the seat heating can
cause the seat cushion and backrest pads to
become very hot. The health of persons with
limited temperature sensitivity or a limited
ability to react to excessively high tempera-
tures may be affected or they may even suffer burn-like injuries. There is a risk of injury.
Therefore, do not switch the seat heating on
repeatedly.
For vehicles equipped with the Warmth Com-
fort package: the armrest in the door and the center console can also be heated when you
switch on the seat heating of one of the front
seats. This can be set with COMAND (see the
separate operating instructions).
The three red indicator lamps in the button
indicate the heating level you have selected.
The system automatically switches down
from level 3to level 2after approximately
eight minutes.
The system automatically switches down
from level 2to level 1after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
The distribution of the heated surfaces on the seat cushions and backrests in the front can
be set via COMAND (see the separate oper-
ating instructions). Seats
107Seats, steering wheel and mirrors Z
Front seats
X
Turn the SmartKey to position 1or 2in the
ignition lock (Y page 147).
X To switch on: press button0043repeatedly
until the desired heating level is set.
X To switch off: press button0043repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
heating may switch off.
Rear seats X
Turn the SmartKey to position 1or 2in the
ignition lock (Y page 147).
X To switch on: press button0043repeatedly
until the desired heating level is set.
X To switch off: press button0043repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
heating may switch off. 108
SeatsSeats, steering wheel and
mirrors
Problems with the seat heating
Problem
Possible causes/consequences and
0050
0050Solutions The seat heating has
switched off prema-
turely or cannot be
switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat heating can be
switched back on manually. Switching the seat ventilation on/off
Front seats The three blue indicator lamps in the buttons
indicate the blower setting you have selected.
X Turn the SmartKey to position 1or 2in the
ignition lock (Y page 147).
X To switch on: press button0043repeatedly
until the desired blower setting is set.
X To switch off: press button0043repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
ventilation may switch off.
i You can open the side windows using the
"Convenience opening" feature
(Y page 95). The seat ventilation of the
driver's seat automatically switches to the
highest level.
i When the vehicle is stationary, the fan
speed can be reduced automatically. This
reduces the noises of the seat ventilation. Seats
109Seats, steering wheel and mirrors Z
Problems with the seat ventilation
Problem
Possible causes/consequences and
0050
0050Solutions The seat ventilation has
switched off prema-
turely or cannot be
switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat ventilation can
be switched back on. Steering wheel
Important safety notes
G
WARNING
You could lose control of your vehicle if you do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine. G
WARNING
Children could injure themselves if they
adjust the steering wheel. There is a risk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never leave children unsupervised in the vehicle.
The electrically adjustable steering wheel can
still be adjusted when there is no SmartKey in
the ignition lock. Adjusting the steering wheel
0043
To adjust the steering wheel position
(fore-and-aft adjustment)
0044 To adjust the steering wheel height
i Further related subjects:
R EASY-ENTRY/EXIT feature
(Y page 112)
R Storing settings (Y page 117)
R Operating the on-board computer
(Y page 227). 110
Steering wheelSeats, steering wheel and mirrors
Steering wheel heating
Activating/deactivating X
Turn the SmartKey to position 2in the igni-
tion lock (Y page 147).
X To switch on/off: turn the lever in the
direction of arrow 0043or0044.
Indicator lamp 0087lights up or goes out.
Vehicles without KEYLESS-GO: when you
remove the SmartKey from the ignition lock,
the steering wheel heating is deactivated.
Vehicles with KEYLESS-GO: when you switch
off the ignition and open the driver's door, the steering wheel heating is deactivated. Steering wheel
111Seats, steering wheel and mirrors Z
Problems with the steering wheel heating
Problem
Possible causes/consequences and
0050
0050Solutions The steering wheel
heating has switched
off prematurely or can-
not be switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting. EASY-ENTRY/EXIT feature
Important safety notes G
WARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel and the driver's seat, you
and other vehicle occupants – particularly
children – could become trapped. There is a
risk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the seat and
the steering wheel.
If there is a risk of becoming trapped by
R the steering wheel: move the steering
wheel adjustment lever.
R the seat: press the switch for seat adjust-
ment.
The adjustment process is stopped.
Press one of the memory function position
switches. The adjustment process is stopped. G
WARNING
If children activate the EASY-ENTRY/EXIT fea- ture, they can become trapped, particularly
when unattended. There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never leave children unsupervised in the vehicle. G
WARNING
If you drive off while the EASY-ENTRY/EXIT
feature is making adjustments, you could lose
control of the vehicle. There is a risk of an
accident. Always wait until the adjustment process is
complete before driving off.
The EASY-ENTRY/EXIT feature makes getting in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature using COMAND (see the separate operating instructions).
Position of the steering wheel and the
driver's seat when the EASY-ENTRY/
EXIT feature is active The steering wheel tilts upwards and the driv-
er's seat moves backwards if you:
R remove the SmartKey from the ignition lock
R with KEYLESS-GO: open the driver's door;
KEYLESS-GO must be in position 1
R with the SmartKey: open the driver's
door; the SmartKey must be in position 0or
1 in the ignition lock (Y page 147)
R open the driver's door when the ignition is
switched off
i The steering wheel only tilts upwards and
the driver's seat only moves backwards if
the driving position is stored after seat or
steering wheel adjustment (Y page 117).
The last position of the steering wheel or seat is stored if:
R the ignition is switched off
R the setting is stored with the memory func-
tion (Y page 117).
i The steering wheel only moves upwards if
it has not already reached the upper stop. 112
Steering wheelSeats, steering wheel and mirrors
The driver's seat only moves backwards if it
is not already in the rearmost position.
Position of the steering wheel and the
driver's seat for driving The steering wheel and the driver's seat are
moved to the previously set position if:
R the driver's door is closed and you insert
the SmartKey into the ignition lock
R you close the driver's door when the igni-
tion is switched on
R you press the Start/Stop button once on
vehicles with KEYLESS-GO
i The steering wheel and the driver's seat
only return to the last set position when the
driving position is stored after seat or steer-
ing wheel adjustment (Y page 117).
The last position of the steering wheel or seat
is stored if:
R the ignition is switched off
R the setting is stored with the memory func-
tion (Y page 117).
Crash-responsive EASY-EXIT feature If the crash-responsive EASY-EXIT feature is
triggered in an accident, the steering column
will move upwards when the driver's door is
opened or the SmartKey is removed from the ignition lock. This makes it easier to exit the
vehicle and rescue the occupants.
The crash-responsive EASY-EXIT feature is
only operational if the EASY-EXIT/ENTRY fea-
ture is activated in COMAND (see the sepa-
rate operating instructions). Mirrors
Rear-view mirror
X
Anti-glare mode: flick anti-glare lever 0043
forwards or back. Exterior mirrors
Important safety notes G
WARNING
You could lose control of your vehicle if you do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine. G
WARNING
The exterior mirror on the front-passenger
side reduces the size of the image. Visible
objects are actually closer than they appear.
This means that you could misjudge the dis-
tance from road users traveling behind, e.g.
when changing lane. There is a risk of an acci-
dent.
For this reason, always make sure of the
actual distance from the road users traveling
behind by glancing over your shoulder. Mirrors
113Seats, steering wheel and mirrors Z
Adjusting the exterior mirrors
X
Turn the SmartKey to position 1or 2in the
ignition lock (Y page 147).
X Press button 0044for the right-hand exterior
mirror or button 0087for the left-hand exte-
rior mirror.
The indicator lamp lights up in the button
that has been pressed.
The indicator lamp goes out again after
some time. You can adjust the selected
mirror using adjustment button 0043as long
as the indicator lamp is lit.
X Press adjustment button 0043up, down, or to
the left or right until you have adjusted the
exterior mirror to the correct position. You
should have a good overview of traffic con- ditions.
The convex exterior mirrors provide a larger
field of vision.
After the engine has been started, the exte-
rior mirrors are automatically heated if the
rear window defroster is switched on and the
outside temperature is low. Folding the exterior mirrors in or out
electrically X
Turn the SmartKey to position 1or 2in the
ignition lock (Y page 147).
X Briefly press button 0043.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate.
i If you are driving faster than 30 mph
(47 km/ h), you can no longer fold in the
exterior mirrors.
Setting the exterior mirrors If the battery has been disconnected or com-
pletely discharged, the exterior mirrors must
be reset. The exterior mirrors will otherwise
not fold in when you select the "Fold in mir-
rors when locking" function in the on-board
computer.
X Turn the SmartKey to position 1or 2in the
ignition lock (Y page 147).
X Briefly press button 0043.
Folding the exterior mirrors in or out
automatically This function is only available in vehicles for
Canada.
When the
Automatic Automatic Mirror MirrorFolding
Folding func-
tion is activated in COMAND (see the sepa-
rate operating instructions): 114
MirrorsSeats, steering wheel and mirrors