MERCEDES-BENZ SL-Class 2016 R231 Owner's Manual

The seat belt should:
Rfit snugly across your body
Rbe routed across the middle of your shoul-
der
Rbe routed in your pelvic area across the hip
joints
XBefore starting off, adjust the rear-view mir-
ror and the exterior mirrors (
Ypage 116) in
such a way that you have a good view of
road and traffic conditions.
XStore the seat, steering wheel and exterior
mirror settings using the memory function
(
Ypage 119).
Seats
Important safety notes
GWARNING
Children could become trapped if they adjust
the seats, 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.
The seats can still be adjusted when there is
no SmartKey in the ignition lock.
GWARNING
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the seat guide rail. There is a risk of injury.
Make sure when adjusting a seat that no one
has any body parts in the sweep of the seat.
Observe the safety notes on "Air bags"
(
Ypage 56) and "Children in the vehicle"
(
Ypage 68).
GWARNING
If you adjust the seat height carelessly, you or
other vehicle occupants could be trapped and
thereby injured. Children in particular could
accidentally press the electrical seat adjust-
ment buttons and become trapped. There is a risk of injury.
While moving the seats, make sure that your
hands or other body parts do not get under the
lever assembly of the seat adjustment sys-
tem.
GWARNING
If the head restraints are not installed or not
adjusted correctly, they cannot provide pro-
tection as intended. There is an increased risk
of injury in the head and neck area, e.g. in the event of an accident or when braking.
Always drive with the head restraints instal-
led. Before driving off, make sure for every
vehicle occupant that the center of the head
restraint supports the back of the head at
about eye level.
GWARNING
You could lose control of your vehicle if you do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten 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.
!To avoid damage to the seats and the seat
heating, observe the following information:
Rkeep liquids from spilling on the seats. If
liquid is spilled on the seats, dry them as
soon as possible.
Rif the seat covers are damp or wet, do not
switch on the seat heating. The seat
heating should also not be used to dry
the seats.
Rclean the seat covers as recommended;
see the "Interior care" section.
Rdo not transport heavy loads on the
seats. Do not place sharp objects on the
seat cushions, e.g. knives, nails or tools.
Seats109
Seats, steering wheel and mirrors
Z

The seats should only be occupied by
passengers, if possible.
Rwhen the seat heating is in operation, do
not cover the seats with insulating mate-
rials, e.g. blankets, coats, bags, seat cov-
ers, child seats or booster seats.
!To avoid damage to the seats and the seat
heating, observe the following information:
Rkeep liquids from spilling on the seats. If
liquid is spilled on the seats, dry them as
soon as possible.
Rif the seat covers are damp or wet, do not
switch on the seat heating. The seat
heating should also not be used to dry
the seats.
Rclean the seat covers as recommended;
see "Interior care".
Rdo not transport heavy loads on the
seats. Do not place sharp objects on the
seat cushions, e.g. knives, nails or tools. The seats should only be occupied by
passengers, if possible.
Rwhen the seat heating is in operation, do
not cover the seats with insulating mate-
rials, e.g. blankets, coats, bags, seat cov-
ers, child seats or booster seats.
!Make sure that there are no objects in the
footwell under or behind the seats when
moving the seats back. There is a risk that
the seats and/or the objects could be dam- aged.
iThe head restraints cannot be removed.
For more information, contact a qualified
specialist workshop.
Adjusting the seats electrically
:Head restraint height
;Seat height
=Seat cushion angle
?Seat cushion length
ASeat fore-and-aft adjustment
BBackrest angle
iFurther related subjects:
RYou can store the seat settings using the
memory function (
Ypage 119).
RIf PRE-SAFE®is triggered, the front-
passenger seat will be moved to a better
position if it was previously in an unfav-
orable position (
Ypage 67).
Adjusting the front-passenger seat
from the driver’s seat
GWARNING
The front-air bags for could also injure the
vehicle occupants in the front If the front
seats are positioned too close to the dash-
board or steering wheel. This poses an
increased risk of injury or even fatal injury.
Always adjust the front seats so that they are
as far from the front air bags as possible. Also
observe the notes on the correct adjustment
of the seats.
!Do not move the front-passenger seat
fully forwards if there are objects in the
parcel net in the front-passenger footwell.
The objects could otherwise be damaged.
110Seats
Seats, steering wheel and mirrors

You can use the seat switches on the driver's
side to adjust the front-passenger seat.
XTo activate/deactivate:press button:.
If the indicator lamp in button :is lit, you can
access the following functions for the front-
passenger seat:
Rseat adjustment
Rcall up the memory function
Removing the seat belt from the belt
guide
GWARNING
When driving off-road, your body is subject to
forces from all directions, due to the uneven
surface. You could be thrown from your seat,
for instance. There is a risk of injury.
Always wear a seat belt, even when driving off-
road.
Both the driver's seat belt and the front-
passenger seat belt can be removed from the
seat belt guide. This makes it easier to move
the seats forward. Before you drive off, the seat belt must be
inserted into the seat belt guide.
Observe the safety guidelines for seat belts
(
Ypage 52).
XTo remove:
open up magnetic head ;and
fold the tab up in the direction of the arrow.
XTake the seat belt out of seat belt guide :.
XTo insert:fold the tab up in the direction of
the arrow.
XInsert the seat belt back into the seat belt
guide and fold the tab back down.
Adjusting the head restraints
GWARNING
You could lose control of your vehicle if you do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten 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.
:Head restraint height
;Seat height
=Seat cushion angle
?Seat cushion length
ASeat fore-and-aft adjustment
BBackrest angle
XTo adjust the head restraint height: slide
the switch for the head restraint adjust-
Seats111
Seats, steering wheel and mirrors
Z

ment:up or down in the direction of the
arrow.
Moving the seats forward/back
GWARNING
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the seat guide rail. There is a risk of injury.
Make sure when adjusting a seat that no one
has any body parts in the sweep of the seat.
!Make sure that there are no containers in
the cup holder and no objects in the foot-
well or behind the seats when adjusting the
seats. Otherwise, you could damage the
seats and the objects.
You can move the seat forwards in order to
gain better access to the rear compartment,
e.g. to reach the stowage compartment in the
rear (
Ypage 516).
XRemove the seat belt from the seat belt
guide (
Ypage 111).
XTo move the seat forwards: press:
on switch :.
The seat moves automatically to the fore-
most position.
XTo move the seat backwards: press9
on switch :.
The seat moves back to the previous posi-
tion.
XTo stop seat movement: press:or
9 in the opposite direction.
Adjusting the multicontour seat
You can set the multicontour seat using
COMAND (
Ypage 316).
Adjusting the active multicontour
seat
You can set the active the active multicontour
seat using COMAND (
Ypage 316).
Adjusting the 4-way lumbar support
You can adjust the 4-way lumbar support
using COMAND (
Ypage 317).
Switching the seat heating on/off
Switching on/off
GWARNING
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.
Driver's and front-passenger seat
The three red indicator lamps in the button
indicate the heating level you have selected.
112Seats
Seats, steering wheel and mirrors

The system automatically switches down
from level3to 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.
You can set the distribution of the heated
sections of the seat cushion and backrest
using COMAND (
Ypage 318).
XMake sure that the SmartKey is in position 1 or 2in the ignition lock.
XTo switch on: press button:repeatedly
until the desired heating level is set.
XTo switch off: press button:repeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
heating may switch off.
Problems with the seat heating
The seat heating has switched off prema-
turely or cannot be switched on. The vehicle's
electrical system voltage is too low because
too many electrical consumers are switched
on.
XSwitch off electrical consumers that you do
not need, such as the rear window
defroster or interior lighting.
XOnce the battery is sufficiently charged,
switch on the seat heating again.
Switching the seat ventilation on/off
Activating/deactivating
The three blue indicator lamps in the buttons
indicate the ventilation level you have selec-
ted.
XMake sure that the SmartKey is in position
2 in the ignition lock.
XTo switch on: press button:repeatedly
until the desired ventilation level is set.
XTo switch off: press button:repeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
ventilation may switch off.
iIf you open the roof with the SmartKey
(
Ypage 102), the seat ventilation of the
driver's seat switches on automatically and
the side windows open.
Problems with the seat ventilation
The seat ventilation has switched off prema-
turely or cannot be switched on. The vehicle's
electrical system voltage is too low because
too many electrical consumers are switched
on.
XSwitch off electrical consumers which you
do not need, such as the rear window
defroster or interior lighting.
Seats113
Seats, steering wheel and mirrors
Z

AIRSCARF
Switching on/off
GWARNIN G
When AIRSCARF is switched on ,ver yhot air
can flo wfrom th events in th ehead restraints .
This could result in burn sin th eimmediat e
vicinity of th eair vents .There is aris kof injury.
Reduc eth eheater output before it become s
to ohot .
The AIRSCARF function warm sth ehead and
neck area of vehicl eoccupant swit hwarm air.
The warm air flows out of th ehole sin th ehead
restraints .
The three red indicator lamp sin th ebutto n
indicat eth eheating level you hav eselected.
XMak esur ethat th eSmartKey is in position
2 in th eignition lock.
XTo switch on: press button:.
Three red indicator lamp sin th ebutto nligh t
up. The blowe rstart sup after apreheating
phas eof seven seconds.
XPress butto n: repeatedly until th e
desired heating level is set .
XTo switchoff:press butto n: repeatedly
until all th eindicator lamp sgo out .
iThe blowe rcontinues runnin gfor seven
seconds to cool down th eheating ele-
ments .
iIf thebattery voltag eis to olow, AIRSCARF
may switch off .
Steering wheel
Important safety notes
GWARNIN G
You could lose control of your vehicl eif you do
th efollowin gwhile driving:
Radjust th edriver's seat ,head restraint,
steering whee lor mirror s
Rfastenth eseat belt
There is aris kof an accident.
Adjus tth edriver's seat ,head restraint, steer -
ing whee land mirror and faste nyour seat belt
before starting th eengine.
GWARNIN G
Children could injure themselves if they
adjust th esteering wheel. There is aris kof
injury.
When leaving th evehicle, always tak eth e
SmartKey wit hyou and loc kth evehicle. Never
leav echildren unsupervised in th evehicle.
The electrically adj ustablesteering whee lcan
still be adj usted when there is no SmartKey in
th eignition lock.
Adjusting the steering wheel electri -
cally
:To adjust th e steering whee lheight
;To adj ustthesteering whee lposition
(fore-and-af tadjustment)
114Steering wheel
Seats, steering wheel and mirrors

iFurther related subjects:
REASY-ENTRY/EXIT feature
(
Ypage 115)
RStoring settings (Ypage 119)
EASY-ENTRY/EXIT feature
Important safety notes
GWARNING
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.
GWARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel, 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 steering
wheel.
If somebody becomes trapped:
Rpress one of the memory function position
buttons, or
Rmove the switch for steering wheel adjust-
ment in the opposite direction to that in
which the steering wheel is moving.
The adjustment process is stopped.
GWARNING
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 somebody becomes trapped:
Rpress one of the memory function position
buttons, or
Rpress one of the memory function memory
buttons, or
Rmove the switch for steering wheel adjust-
ment in the opposite direction to that in
which the steering wheel is moving
The adjustment process is stopped.
GWARNING
If you use openings in the bodywork or
detachable parts as steps, you could:
Rslip and/or fall
Rdamage the vehicle and cause yourself to
fall.
There is a risk of injury.
Always use secure climbing aids, e.g. a suita-
ble ladder.
The EASY-ENTRY/EXIT feature makes getting
in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature in the on-board com-
puter (
Ypage 235).
Position of the steering wheel when the
EASY-ENTRY/EXIT feature is active
The steering wheel swings upwards when
you:
Rremove the SmartKey from the ignition lock
Ropen the driver's door with KEYLESS-GO in position 1
Ropen the driver's door and the SmartKey is
in position 0or 1in the ignition lock
iThe steering wheel only moves upwards if
it has not already reached the upper end
stop.
Steering wheel115
Seats, steering wheel and mirrors
Z

Position of the steering wheel for driv-
ing
The steering wheel is moved to the last selec-
ted position when:
Rthe driver's door is closed
Ryou insert the SmartKey into the ignition
lock
or
Ryou press the Start/Stop button once on
vehicles with KEYLESS-GO
When you close the driver's door with the
ignition switched on, the steering wheel is
also automatically moved to the previously
set position.
The last position of the steering wheel is
stored when you switch off the ignition or
when you store the setting with the memory
function (
Ypage 119).
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. This occurs irrespective of the posi-
tion of the SmartKey in 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 the on-board computer
(
Ypage 235).
Mirrors
Exterior mirrors
Adjusting the exterior mirrors
GWARNING
You could lose control of your vehicle if you do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten 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.
GWARNING
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.
XMake sure that the SmartKey is in position 1 or 2in the ignition lock.
XPress button :for the left-hand exterior
mirror or button ;for the right-hand exte-
rior mirror.
The indicator lamp in the corresponding
button lights up in red.
The indicator lamp goes out again after
some time. You can adjust the selected
mirror using adjustment button =as long
as the indicator lamp is lit.
XPress adjustment button =up, down, to
the right or to the left.
The exterior mirror must be set to a position
that provides you with a good overview of
traffic conditions.
The convex exterior mirrors provide a larger
field of vision.
116Mirrors
Seats, steering wheel and mirrors

The exterior mirrors are automatically heated
after starting the vehicle if the rear window
defroster is switched on and the outside tem-
perature is low. Mirror heating lasts up to 10
minutes.
iYou can also heat up the exterior mirrors
manually by switching on the rear window
defroster.
Folding the exterior mirrors in or out
electrically
XMake sure that the SmartKey is in position
1 or 2in the ignition lock.
XBriefly press button :.
Both exterior mirrors fold in or out.
iMake sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate.
Exterior mirror pushed out of position
If an exterior mirror has been pushed out of
position, proceed as follows:
XMove the exterior mirror into the correct
position manually.
The mirror housing is engaged again and
you can adjust the exterior mirrors as usual
(
Ypage 116).
Automatic anti-glare mirrors
GWARNING
Electrolyte may escape if the glass in an auto-
matic anti-glare mirror breaks. The electrolyte
is harmful and causes irritation. It must not
come into contact with your skin, eyes, res-
piratory organs or clothing or be swallowed.
There is a risk of injury.
If you come into contact with the electrolyte,
observe the following:
RRinse off the electrolyte from your skin
immediately with water.
RImmediately rinse the electrolyte out of
your eyes thoroughly with clean water.
RIf the electrolyte is swallowed, immediately
rinse your mouth out thoroughly. Do not
induce vomiting.
RIf electrolyte comes into contact with your
skin or hair or is swallowed, seek medical
attention immediately.
RImmediately change out of clothing which
has come into contact with electrolyte.
RIf an allergic reaction occurs, seek medical
attention immediately.
The rear-view mirror and the exterior mirror
on the driver's side automatically go into anti-
glare mode if the following conditions are met
simultaneously:
Rthe ignition is switched on and
Rincident light from headlamps strikes the
sensor in the rear-view mirror.
The mirrors do not go into anti-glare mode if
reverse gear is engaged or if the interior light-
ing is switched on.
Mirrors117
Seats, steering wheel and mirrors
Z

Parking position for the exterior mir-
ror on the front-passenger side
Setting and storing the parking position
Using reverse gear
:Button for the driver's side exterior mirror
;Button for the front-passenger side exte-
rior mirror
=Adjustment button
?Memory button M
You can position the front-passenger side
exterior mirror in such a way that you can see
the rear wheel on that side as soon as you
engage reverse gear. You can store this posi-
tion.
XMake sure that the vehicle is stationary and
that the SmartKey is in position 2in the
ignition lock.
XPress button ;for the exterior mirror on
the front-passenger side.
XEngage reverse gear.
The exterior mirror on the front-passenger
side moves to the preset parking position.
XUse adjustment button =to adjust the
exterior mirror to a position that allows you
to see the rear wheel and the curb.
The parking position is stored.
iIf you shift the transmission to another
position, the exterior mirror on the front-
passenger side returns to the driving posi-
tion. Using the memory button
:Button for the driver's side exterior mirror
;Button for the front-passenger side exte-
rior mirror
=Adjustment button
?Memory button
M
You can position the front-passenger side
exterior mirror in such a way that you can see
the rear wheel on that side as soon as you
engage reverse gear. This setting can be
stored using memory button M?.
XMake sure that the SmartKey is in position
2in the ignition lock.
XWith the exterior mirror on the front-
passenger side activated, use adjustment
button =to adjust the exterior mirror. In
the exterior mirror, the rear wheel and the
curb should be visible.
XPress memory button M? and one of the
arrows on adjustment button =within
three seconds.
The parking position is stored if the exterior
mirror does not move.
XIf the mirror moves out of position, repeat
the steps.
118Mirrors
Seats, steering wheel and mirrors