2012 MERCEDES-BENZ R-Class light

automatic operation by operating the
switch again.
i You can continue to operate the side
windows after you switch off the engine or
remove the SmartKey. This function is
available for up to five minutes or until the
driver's or front-passenger door is opened.
Opening and closing the hinged side
windows
The hinged side windows are operated
electrically from the from the driver's seat.
GWARNING
Make sure that nobody can become trapped
as you close the hinged side windows. If there
is a risk of somebody becoming trapped,
release the switch or push the switch again to
reopen the side window.
Door control panel
XMake sure that the SmartKey is in position
1 or 2 in the ignition lock.XTo open fully: press switch : and release.XTo close fully: pull switch : and release.XTo stop the closing procedure: press
switch : again.
Both hinged side windows open fully.
i If the hinged side windows are blocked
when closing, the closing procedure is
terminated and the hinged side windows
open again slightly.
i For safety reasons, the hinged side
windows can only be opened again after
four seconds.
Convenience opening feature
You can ventilate the vehicle before you start
driving. To do this, the key is used to carry out
the following functions simultaneously:
R unlock the vehicle
R open the side windows
R open the hinged side windows
R open the sliding sunroof or the panorama
roof with power tilt/sliding panel and the
roller sunblinds
i The convenience opening feature can
only be operated using the SmartKey. The
SmartKey must be close to the driver's
door handle.
XPoint the tip of the SmartKey at the driver's
door handle.XPress and hold the % button until the
side windows and the sliding sunroof or the
panorama roof with power tilt/sliding
panel are in the desired position.
If the roller sunblinds of the panorama roof
with power tilt/sliding panel are closed, the
roller sunblinds are opened first.
XPress and hold the % button again until
the panorama roof with power tilt/sliding
panel is in the desired position.XTo interrupt convenience opening:
release the % button.Side windows87Opening/closingZ

Resetting the side windows
You must reset each side window if:
R the battery has been disconnected or has
become discharged.
R the side window opens again slightly after
being closed fully.
R the side window can no longer be fully
opened or closed.XClose all the doors.XTurn the SmartKey to position 1 or 2 in the
ignition lock.XPull the corresponding switch on the door
control panel until the side window is
completely closed. ( Y page 86)XHold the switch for an additional second.
If the side window opens again slightly:
XImmediately pull the corresponding switch
on the door control panel until the side
window is completely closed ( Y page 86).XHold the switch for an additional second.XIf the corresponding side window remains
closed after the button has been released,
the side window has been reset correctly.
If this is not the case, repeat the steps
above again.
Problems with the side windows
Problem: a side window cannot be closed
because it is blocked by objects, e.g.
leaves in the window guide.
XRemove the objects.XClose the side window.
Problem: a side window cannot be closed
and you cannot see the cause.
GWARNING
Closing the side windows with increased force
or without the anti-entrapment feature could
lead to serious or even fatal injury. Make sure
that nobody can become trapped when
closing the side windows.
If a side window is obstructed during closing
and reopens again slightly:XImmediately after the window blocks, pull
the corresponding switch again until the
side window has closed.
The side window is closed with increased
force.
If a side window is obstructed again during
closing and reopens again slightly:
XImmediately after the window blocks, pull
the corresponding switch again until the
side window has closed.
The side window is closed without the anti-
entrapment feature.GWARNING
Pulling and holding the switch to close the
door window immediately after it had been
blocked two times will cause the door window
to close without the anti-entrapment feature
for as long as you hold the switch.
Sliding sunroof
Important safety notes
Your vehicle may be equipped with a sliding
sunroof or a panorama roof with power tilt/
sliding panel. In the following section, the
term "sliding sunroof" refers to both types of
sliding sunroof.
GWARNING
When opening or closing the sliding sunroof,
make sure that there is no danger of anyone
being harmed by the opening/closing
procedure.
The sliding sunroof is equipped with
automatic operation and the anti-entrapment
feature. If the movement of the sliding sunroof
is blocked during the closing procedure, the
sliding sunroof will stop and open slightly.
The sliding sunroof operates differently when
the sliding sunroof switch is pressed and held.
See the "Problems with the sliding sunroof"
section for more details.
Sliding sunroof89Opening/closingZ

The opening/closing procedure of the sliding
sunroof can be immediately halted by
releasing the sliding sunroof switch or, if the
sliding sunroof switch was moved past the
resistance point and released, by moving the
sliding sunroof switch in any direction.GWARNING
The sliding sunroof is made out of glass. In the
event of an accident, the glass may shatter.
This may result in an opening in the roof.
In a vehicle rollover, occupants not wearing
their seat belts or not wearing them properly
may be thrown out of the opening. Such an
opening also presents a potential for injury for
occupants wearing their seat belts properly,
as entire body parts or portions of them may
protrude from the passenger compartment.
! Only open the sliding sunroof if it is free
of snow and ice. Otherwise, malfunctions
may occur.
Do not allow anything to protrude from the
sliding sunroof. Otherwise, the seals could
be damaged.
! The weather can change abruptly. It could
start to rain or snow. Make sure that the
sliding sunroof is closed when you leave the
vehicle. The vehicle electronics can be
damaged if water enters the vehicle
interior.
i Resonance noises can occur in addition
to the usual airflow noises when the sliding
sunroof is open. They are caused by minor
pressure fluctuations in the vehicle interior.
Change the position of the sliding sunroof
or open a side window slightly to reduce or
eliminate these noises.
Operating the sliding sunroof
Opening and closing
i You can continue to operate the sliding
sunroof after switching off the engine or
removing the SmartKey from the ignition
lock. This function is available for up to five
minutes or until the driver's or front-
passenger door is opened.
Overhead control panel
:To raise;To open=To close/lowerXTurn the SmartKey to position 1 or 2 in the
ignition lock.XPress or pull the 2 switch in the
corresponding direction.
i If you press the 2 switch beyond the
point of resistance, an automatic opening/
closing process is started in the
corresponding direction. You can stop
automatic operation by operating the
switch again.
The sun protection cover automatically opens
along with the sliding sunroof. You can open
or close the sun protection cover manually
when the sliding sunroof is raised or closed.
Resetting
Reset the sliding sunroof if it does not move
smoothly, or if the battery has been
disconnected or has become discharged.
XRemove the SmartKey from the ignition
lock or select position 0 (KEYLESS-GO).XRemove the fuse for the sliding sunroof
from the fuse box. To find out where the
fuse is located, refer to the fuse allocation
chart in the vehicle tool kit ( Y page 296).XReinsert the fuse.90Sliding sunroofOpening/closing

XTurn the SmartKey to position 2 in the
ignition lock.XRaise the sliding sunroof fully at the rear
( Y page 90).XKeep the 2 switch pressed for another
second.XMake sure that the sliding sunroof can be
fully opened and closed again (Y page 90).XIf this is not the case, repeat the steps
above again.
! If the sliding sunroof still cannot be
opened or closed fully after resetting,
contact a qualified specialist workshop.
Operating the panorama roof with
power tilt/sliding panel
Opening and closing
Overhead control panel
:To raise;To open=To close/lower
The panorama roof with power tilt/sliding
panel can only be operated when the roller
sunblind is open.
XTurn the SmartKey to position 1 or 2 in the
ignition lock.XPush or pull the 2 switch in the
corresponding direction.
i When opening the panorama roof with
power tilt/sliding panel, you can initiate the
automatic opening process. To do so, press
the 2 switch briefly beyond the point of
resistance in the direction of arrow ;. By
pressing again, the automatic opening
process can be stopped.
The automatic opening feature is available
only when the panorama roof with power
tilt/sliding panel is closed.
Operating the panorama roof with
power tilt/sliding panel roller
sunblinds
General notes
The roller sunblinds shield the vehicle interior
from sunlight. The two roller sunblinds can
only be opened and closed together when the
panorama roof with power tilt/sliding panel
is closed.
GWARNING
When extending the roller sunblinds, make
sure no one is in danger of being injured by
the extending procedure. The extending of the
roller sunblinds can be immediately halted by
releasing the switch.
Opening and closing
Overhead control panel
:To open;To open=To closeXTurn the SmartKey to position 1 or 2 in the
ignition lock.XPress or pull the 2 switch in the
corresponding direction.Sliding sunroof91Opening/closingZ

iWhen opening the roller sunblinds, you
can initiate an automatic opening process.
To do so, press the 2 switch briefly
beyond the point of resistance in the
direction of arrow ;. Operate the switch
again to stop the automatic opening
process.
Resetting the panorama roof with
power tilt/sliding panel and the roller
sunblinds
Reset the panorama roof with power tilt/
sliding panel and the roller sunblinds if the
panorama roof with power tilt/sliding panel
or the roller sunblinds do not move smoothly.
The panorama roof with power tilt/sliding
panel and the roller sunblinds must also be
reset if the battery was disconnected or
discharged.
XRemove the SmartKey from the ignition
lock or select position 0 (KEYLESS-GO).XRemove the fuse for the panorama roof
with power tilt/sliding panel from the fuse
box. To find out where the fuse is located,
refer to the fuse allocation chart in the
vehicle tool kit ( Y page 296).XReinsert the fuse.XTurn the SmartKey to position 1 or 2 in the
ignition lock.XClose the roller sunblinds fully
( Y page 91).XKeep the 2 switch pressed for another
second.XOpen the roller sunblinds fully (Y page 91).XKeep the 2 switch pulled for an
additional second.XClose the panorama roof with power tilt/
sliding panel fully ( Y page 91).XKeep the 2 switch pressed for another
second.XMake sure that the panorama roof with
power tilt/sliding panel and the rollersunblinds can be fully opened again
( Y page 91).XIf this is not the case, repeat the steps
above again.
! If the panorama roof with power tilt/
sliding panel and the roller sunblind cannot
be fully opened or closed after resetting,
contact a qualified specialist workshop.
Problems with the sliding sunroof
Your vehicle may be equipped with a sliding
sunroof or a panorama roof with power tilt/
sliding panel. In the following section, the
term "sliding sunroof" refers to both types of
sliding sunroof.
Problem: the sunroof cannot be closed
and you cannot see the cause.
GWARNING
You could be severely or even fatally injured
when closing the sliding sunroof with
increased closing force or if the anti-
entrapment feature is deactivated. Make sure
that nobody can become trapped when
closing the sliding sunroof.
If the sliding sunroof is obstructed during
closing and reopens again slightly:
XImmediately after the sliding sunroof
blocks, pull the 2 switch in the
overhead control panel down to the point
of resistance and hold it until the sliding
sunroof is closed.
The sliding sunroof is closed with increased
force.
If the sliding sunroof is obstructed again
during closing and reopens again slightly:
XImmediately after the sliding sunroof
blocks, pull the 2 switch in the
overhead control panel down to the point
of resistance and hold it until the sliding
sunroof is closed.
The sliding sunroof is closed without the
anti-entrapment feature.92Sliding sunroofOpening/closing

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Please read the information on qualified
specialist workshops ( Y page 24).
Correct driver's seat position
Observe the safety guidelines on seat
adjustment ( Y page 97).
XCheck whether you have adjusted seat =
properly.
Electrical seat adjustment ( Y page 98)
When adjusting the seat, make sure:
R you are as far away from the driver's air
bag as possible.
R you are sitting in a normal upright
position.R you can fasten the seat belt properly.
R you have moved the backrest to an
almost vertical position.
R you have set the seat cushion angle so
that your thighs are gently supported.
R you can depress the pedals properly.XCheck whether the head restraint is
adjusted properly ( Y page 99).
When doing so, make sure that you have
adjusted the head restraint so that the back
of your head is supported at eye level by
the center of the head restraint.
Observe the safety guidelines on steering
wheel adjustment ( Y page 107).
XCheck whether steering wheel : is
adjusted properly.
Adjusting the steering wheel
manually( Y page 107)
Adjusting the steering wheel electrically
( Y page 108)
When adjusting the steering wheel, make
sure:
R you can hold the steering wheel with your
arms slightly bent.
R you can move your legs freely.
R you can see all the displays in the
instrument cluster clearly.
Observe the safety guidelines for seat belts
( Y page 51).
XCheck whether you have fastened seat
belt ; properly ( Y page 53).
The seat belt should:
R fit snugly across your body
R be routed across the middle of your
shoulder
R be routed in your pelvic area across the
hip jointsXBefore starting off, adjust the rear-view
mirror and the exterior mirrors96Correct driver's seat positionSeats, steering wheel and mirrors

(Y page 110) in such a way that you have
a good view of road and traffic conditions.XVehicles with a memory function: save
the seat, steering wheel and exterior mirror
settings ( Y page 112).
Seats
Important safety notes
GWARNING
In order to avoid possible loss of vehicle
control, all seat, head restraint, steering
wheel and rear view mirror adjustments, as
well as fastening of seat belts, must be done
before setting the vehicle in motion.
GWARNING
Do not adjust the driver's seat while driving.
Adjusting the seat while driving could cause
the driver to lose control of the vehicle.
Never travel in a moving vehicle with the seat
backrest in an excessively reclined position as
this can be dangerous. You could slide under
the seat belt in a collision. If you slide under
it, the seat belt would apply force at the
abdomen or neck. This could cause serious or
fatal injuries. The seat backrest and seat belts
provide the best restraint when the wearer is
in a position that is as upright as possible and
seat belts are properly positioned on the
body.
GWARNING
Your seat belt must be adjusted so that you
can correctly fasten your seat belt.
Observe the following points:
R adjust the seat backrest until your arms are
slightly angled when holding the steering
wheel.
R adjust the seat to a comfortable seating
position that still allows you to reach the
accelerator/brake pedal safely. The
position should be as far back as possible
with the driver still able to operate the
controls properly.
R adjust the head restraint so that it is as
close to the head as possible and the center
of the head restraint supports the back of
the head at eye level.
R never place hands under the seat or near
any moving parts while a seat is being
adjusted.
Failure to do so could result in an accident
and/or serious personal injury.GWARNING
The electrically adjustable seats can be
operated at any time. Therefore, do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. A child's
unsupervised access to a vehicle could result
in an accident and/or serious personal injury.
GWARNING
According to accident statistics, children are
safer when properly restrained in the rear
seating positions than in the front seating
position. Thus, we strongly recommend that
children be placed in the rear seats whenever
possible. Regardless of seating position,
children 12 years old and under must be
seated and properly secured in an
appropriately sized infant restraint, toddler
restraint, or booster seat recommended for
the size and weight of the child. For additional
information, see "Children in the vehicle".
A child's risk of serious or fatal injuries is
significantly increased if the child restraints
are not properly secured in the vehicle and/
or the child is not properly secured in the child
restraint.
GWARNING
For your protection, drive only with properly
positioned head restraints.
Adjust the head restraint so that it is as close
to the head as possible and the center of the
head restraint supports the back of the head
at eye level. This will reduce the potential for
Seats97Seats, steering wheel and mirrorsZ

Adjusting seat fore-and-aft adjustment
(outer seats in the 2nd row of seats)XPull lever : in the direction of the arrow to
the pressure point and hold it in this
position.XSlide the seat forwards or backwards to the
desired position.XRelease lever :.
The seat engages audibly.
Adjusting the backrest angle
Outer seats, 2nd row
3rd row of seats
XPull lever : in the direction of the arrow to
the pressure point and hold it in this
position.XPress your back lightly against the backrest
to tilt it towards the rear.
or
XRelieve the pressure on the backrest to
allow it to fold forwards.XRelease lever : once the backrest is in the
desired position.XLean back firmly against the backrest to
ensure that it is engaged.
Adjusting the armrest (2nd row of
seats)
6-seat vehicles
You can fold the armrests in the 2nd row of
seats up, e.g. when loading the vehicle, and
adjust their height.
XTo fold up: fold the armrest up until it
engages in the vertical position.XTo adjust the height: gently push the
engaged armrest backwards to release it.XFirst fold the armrest all the way down to
its lowest position and then back up to the
desired position until it engages.
i If you want to lower the armrest, you must
first fold it up. Then adjust the height as
described above.
7-seat vehicles
The backrest of the center seat in the 2nd row
can be used as an armrest.
GWARNING
The folded second-row middle seat is
intended to serve as an armrest only. Do not
fold the second-row middle seat and allow
occupants to use the folded second-row
middle seat as a footrest while driving. All
vehicle occupants must keep both feet on the
floor in front of their seat. Otherwise,
occupants could slide under the seat belt in a
collision. If occupants slide under it, the belt
102SeatsSeats, steering wheel and mirrors