Key MERCEDES-BENZ C-Class SEDAN 2016 W205 Service Manual

XTurn the SmartKey to position1or 2in the
ignition lock.
XPress the 3switch in direction :.
Both roller sunblinds open, then the pano-
rama roof with power tilt/sliding panel is
raised.
XPull the 3switch in direction ;.
The sunblinds open.
XPull the 3switch in direction =.
The roller sunblinds close when the panorama
roof with power tilt/sliding panel is closed.
If you press or pull the 3switch beyond the
point of resistance, automatic operation is star-
ted in the corresponding direction. You can stop
automatic operation by pressing or pulling
again.
Resetting the panorama roof with
power tilt/sliding panel or the front
roller sunblind
!
If the panorama roof with power tilt/sliding
panel and the roller sunblinds cannot be fully
opened or closed after resetting, contact a
qualified specialist workshop.
Reset the panorama roof with power tilt/sliding
panel or the roller sunblinds if the panorama
roof with power tilt/sliding panel or the front
roller sunblind does not move smoothly.
XTurn the SmartKey to position 1or 2in the
ignition lock.
XPull the 3switch repeatedly to the point of
resistance in the direction of arrow :until
the panorama roof with power tilt/sliding
panel is fully closed.
XKeep the 3switch pulled for an additional
second.
XPull the 3switch several times in the
direction of arrow :until the roller sunblinds
are closed.
XKeep the 3switch pulled for an additional
second.
XMake sure that the panorama roof with power
tilt/sliding panel and the roller sunblinds can
be fully opened and closed again.
XIf this is not the case, repeat the steps above
again.
102Sliding sunroof
Opening and closing

Correct driver's seat position
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.
Observe the following when adjusting steering
wheel :, seat belt ;and driver's seat =:
Ryou are as far away from the driver's air bag as
possible.
Ryou are sitting in a normal upright position.
Ryour thighs are slightly supported by the seat
cushion.
Ryour legs are not entirely stretched and you
can depress the pedals properly.
Rthe back of your head is supported at eye level
by the center of the head restraint.
Ryou can hold the steering wheel with your
arms slightly bent.
Ryou can move your legs freely.
Ryou can see all the displays in the instrument
cluster clearly.
Ryou should have a good overview of traffic
conditions.
Rthe seat belt is pulled snugly against the bodyand is routed across the center of your shoul-
der and across your hips in the pelvic area.
Further related subjects:
R
R
Electrical seat adjustment (Ypage 106)
RAdjusting the steering wheel mechanically
(Ypage 110) or electrically (Ypage 111).
RFastening the seat belt correctly (Ypage 50).
RAdjusting the rear-view mirror and exterior
mirrors (Ypage 113).
RYou can store the seat, steering wheel, exte-
rior mirror and head-up display settings with
the memory function (
Ypage 116).
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 51) and "Children in the Vehicle"
(Ypage 62).
GWARNING
If the driver's seat is not engaged, it could
move unexpectedly while the vehicle is in
motion. This could cause you to lose control of the vehicle. There is a risk of an accident.
104Seats
Seats, steering wheel and mirrors

Adjusting the 4-way lumbar support
:Raises thebackrest contour
;Soften sth ebackrest contour
=Lowers th ebackrest contour
?Harden sth ebackrest contour
You can adjust th econtour of th efron tseat
backrest sindividually to provid eoptimum sup-
por tfor your back.
Adjusting the AMG Perfor mance Seat
To adjust th econtour of th eseat and for
improve dlateral support ,you can individually
adjust th efron tseats.
Adjusting th esid ebolsters of th esea tcush -
ion
XTo narrow: press button:.
XTo broaden: press button;.
Adjusting th esid ebolsters of th esea tback -
res t
XTo narrow: press button=.
XTo broaden: press button?.
Seat heating and seat ventilati on
Switching the seat heating on/off
GWARNIN G
Repeatedly switching on th eseat heating can
caus eth eseat cushion and backrest pads to
become ver yhot .The healt hof person swit h
limite dtemperature sensitivit yor alimite d
abilit yto reac tto excessivel yhigh tempera-
tures may be affecte dor they may eve nsuffer
burn-like injuries. There is aris kof injury.
Therefore ,do no tswitch th eseat heating on
repeatedly.
The three red indicator lamp sin th ebutto nindi-
cat eth eheating level you hav eselected.
The system automatically switches down from
level 3to level 2after approximately eigh t
minutes.
The system automatically switches down from
level 2to level 1after approximately te n
minutes.
The system automatically switches off approx -
imately 20 minute safter it is set to level 1.
XTurn theSmartKey to position 1or 2in th e
ignition loc k (Ypage 146).
XTo switch on: press button: repeatedly
until th edesired heating level is set .
XTo switch off:press butto n: repeatedly
until all th eindicator lamp sgo out .
iIf thebattery voltag eis to olow, th eseat
heating may switch off .
iIf drive programE(Ypage 159) is selected,
th epowe rof th eseat heating is reduced.
108Seats
Seats, steering wheel and mirrors

Switching the seat ventilation on/off
The three blue indicator lamps in the buttons
indicate the ventilation level you have selected.
XTurn the SmartKey to position1or 2in the
ignition lock (Ypage 146).
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.
iYou can open the side windows and the slid-
ing sunroof using the "Convenience opening"
feature (
Ypage 96). The seat ventilation of
the driver's seat automatically switches to the
highest level.
iWhen the vehicle is stationary, the fan
speed can be reduced automatically. This
reduces the noises of the seat ventilation.
Seats109
Seats, steering wheel and mirrors
Z

Problems with the seat heating or seat ventilation
ProblemPossible causes/consequences andMSolutions
Seat heating or seat ven-
tilation has been
switched off prematurely
or cannot be switched
on.The on-board voltage is too low because too many electrical consum-
ers are switched on.
XSwitch 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 or seat
ventilation can be switched back on manually.
Steering wheel
Important safety notes
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
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 key in the igni-
tion lock.
Adjusting the steering wheel man-
ually
:Release lever
;To adjust the steering wheel height
=To adjust the steering wheel position (fore-
and-aft adjustment)
XPush release lever :down completely.
The steering column is unlocked.
XAdjust the steering wheel to the desired posi- tion.
XPush release lever :up completely.
The steering column is locked.
XCheck if the steering column is locked. When
doing so, try to push the steering wheel up or
down or try to move it in the fore-and-aft
direction.
110Steering wheel
Seats, steering wheel and mirrors

Adjusting the steering wheel electri-
cally
:To adjust th esteering whee lposition (fore-
and-af tadjustment)
;To adjust th esteering whee lheight
iFurther relate dsubjects :
REASY-ENTRY/EXIT feature (Ypage 112)
RStoring settings (Ypage 116)
ROperating theon-board computer
(Ypage 236).
Steering wheel heating
Switching on/off
XTurn th eSmartKey to position 2in th eignition
loc k (Ypage 146).
XTo switch on/off: turnth elever in th edirec -
tion of arrow :or;.
Indicato rlamp =lights up or goe sout .
Vehicles without KEYLESS-GO :when you
remove th eSmartKey from th eignition lock, th e
steering whee lheating is deactivated.
Vehicles wit hKEYLESS-GO :when you switch off
th eignition and open th edriver's door ,th e
steering whee lheating is deactivated.
Steering wheel111
Seats, steering wheel and mirrors
Z

Problems with the steering wheel heating
ProblemPossible causes/consequences andMSolutions
The steering wheel heat-
ing has switched off pre-
maturely or cannot be
switched on.The on-board voltage is too low because too many electrical consum-
ers are switched on.
XSwitch off electrical consumers that you do not need, such as the
rear window defroster or interior lighting.
EASY-ENTRY/EXIT feature
Important safety notes
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.
Move the steering wheel adjustment lever if
there is a risk of entrapment by the steering
wheel. The adjustment process is stopped.
Press one of the memory function position but-
tons. The adjustment process is stopped. This
function is only available on vehicles with mem-
ory function.
GWARNING
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.
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. 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 the multimedia sys-
tem (see the separate operating instructions).
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
Rwith KEYLESS-GO:
open the driver's door;
KEYLESS-GO must be in position 1
Rwith the SmartKey:open the driver's door;
the SmartKey must be in position 0or 1in the
ignition lock (
Ypage 146)
Ropen the driver's door when the ignition is
switched off
iThe steering wheel only tilts upwards if the
driving position is stored after the steering
column adjustment has been adjusted
(
Ypage 116).
The most recent driving position of the steering
wheel is stored if:
Rthe ignition is switched off
Rthe setting is stored with the memory function
(Ypage 116).
iThe steering wheel only moves upwards if it
has not already reached the upper steering
limiter.
112Steering wheel
Seats, steering wheel and mirrors

Position of the steering wheel for driv-
ing
The steering wheel is moved to the last selected
position when:
Rthe driver's door is closed and you insert the
SmartKey into the ignition lock
Ryou close the driver's door when the ignition
is switched on
Ryou press the Start/Stop button once on vehi-
cles with KEYLESS-GO
iThe steering wheel only returns to the last
set position if the driving position is stored
after the seat or steering column has been
adjusted (
Ypage 116).
The most recent driving position of the steering
wheel is stored if:
Rthe ignition is switched off
Rthe setting is stored with the memory function
(Ypage 116).
Crash-responsive EASY-EXIT feature
If the crash-responsive EASY-EXIT feature is trig-
gered 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 feature is
activated in the multimedia system (see the sep-
arate operating instructions).
Mirrors
Rear-view mirror
XAnti-glare mode: flick anti-glare lever :for-
wards or back.
Exterior mirrors
Important safety notes
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.
Adjusting the exterior mirrors
Mirrors113
Seats, steering wheel and mirrors
Z

XTurn the SmartKey to position1or 2in the
ignition lock (Ypage 146).
XPress button ;for the right-hand exterior
mirror or button =for the left-hand exterior
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 :as long as the indicator
lamp is lit.
XPress adjustment button :up, 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 condi-
tions.
The convex exterior mirrors provide a larger field
of vision.
After the engine has been started, the exterior
mirrors are automatically heated if the rear win-
dow defroster is switched on and the outside
temperature is low.
Folding the exterior mirrors in or out
electrically
XTurn the SmartKey to position 1or 2in the
ignition lock (Ypage 146).
XBriefly press :.
Both exterior mirrors fold in or out.
iMake sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate.
iIf you are driving faster than 30 mph
(47 km/h), you can no longer fold in the exte-
rior 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 Automatic
MirrorFoldingfunction in the multimedia system.
XTurn the SmartKey to position 1or 2in the
ignition lock (Ypage 146).
XBriefly press :.
Folding the exterior mirrors in or out
automatically
When theAutomatic Mirror Foldingfunc-
tion is activated in the multimedia system (see
the separate operating instructions):
Rthe exterior mirrors fold in automatically as
soon as you lock the vehicle from the outside.
Rthe exterior mirrors fold out automatically
again as soon as you unlock the vehicle.
iIf the exterior mirrors have been folded in
manually, they do not fold out.
Exterior mirror pushed out of position
If an exterior mirror has been pushed out of
position, proceed as follows:
XVehicles without electrically folding exte-
rior mirrors: move the exterior mirror into
the correct position manually.
XVehicles with electrically folding exterior
mirrors: press and hold button :until you
hear a click and then the mirror engaging in
position (
Ypage 114).
The mirror housing is engaged again and you
can adjust the exterior mirrors as usual
(
Ypage 113).
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.
114Mirrors
Seats, steering wheel and mirrors

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 simul-
taneously:
Rthe ignition is switched on
Rincident light from headlamps strikes the sen-
sor in the rear-view mirror
The mirrors do not go into anti-glare mode if
reverse gear is engaged or if the interior lighting
is switched on.
Parking position for the exterior mir-
ror on the front-passenger side
Storing the parking position
You can position the front-passenger side exte- rior 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 position.
Using reverse gear
:Memory button M
;Adjustment button
=Button for the front-passenger side exterior
mirror
?Button for the driver's side exterior mirror
XTurn the SmartKey to position 2in the ignition
lock (Ypage 146).
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 exte-
rior 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 posi-
tion, the exterior mirror on the front-
passenger side returns to the driving position.
Using the memory button
You can store the parking position of the exte-
rior mirror on the front-passenger side using
memory button M:. The reverse gear must not
be engaged.
XTurn the SmartKey to position 2in the ignition
lock (Ypage 146).
XPress button =for the exterior mirror on the
front-passenger side.
XUse adjustment button ;to adjust the exte-
rior mirror to a position that allows you to see
the rear wheel and the curb.
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.
Mirrors115
Seats, steering wheel and mirrors
Z