2018 MERCEDES-BENZ S-CLASS COUPE engine

#Make surethat persons do not hold
onto the upper frame of the windshield
and do not touch the wind deflector or
th e wind screen.
#Switch on the ignition.
#Fo ldthe armrest upwards.
#To activate: press button 1.
AIR CAPex tends and the indicator lamps on
button 1light up.
#Todeactivate: press button 1again.
AIR CAPre tracts and the indicator lamps on
button 1go out.
If th eve hicle is par ked with the soft top open
and the po wer supp lyis switched off, AI RCAP
re tracts au tomatical ly.
When youre start the engine af ter having been
par ked, AIR CAPex tends au tomatically.
Installing and removing the folding wind
screen
& WARNING Risk of accident when using
th e wind screen in poor visibility condi‐
tions
The wind screen impairs your view tothe
re ar, particular ly when darkor in poor visibil‐
ity conditions.
#Only use the wind screen in good visibil‐
ity conditions.
& WARNING Risk of accident and injury
due toan incor rectly ins talled wind
screen
If th e wind screen is not cor rectly ins talled it
can come loose during the journey and
endanger other road users.
#Inst allthe wind screen as described.
#Do not place objects on the ins talled
wind screen.
* NO
TEDama getothefo lding wind screen
or vehicle interior
The vehicle interior or thefo lding wind
screen can be damaged if ins talled when the
soft top is closed.
#To install, open the soft top.
* NO
TEFront seat backrest position
The folding wind screen may collide with the
front seat backrests when ins talled.
Opening and closing 79

ProblemPossible causes/consequences and MSolutions
The trunk partition is not closed.
#Re mo ve ov erhanging luggage and close the trunk partition.
The mechanical soft- top components or control sy stem are defective.
#Vi sit a qualified specialist workshop.
The soft top has been opened and closed se veral times in a row. The soft-top drive has been switched off
au tomatical lyand will be available again af ter app roxima tely ten minu tes.
#Re peat the opening or closing procedure af ter app roxima tely ten minu tes.
Anti-theft pr otection
Fu nction of the immobilizer
The immobilizer pr events your vehicle from being
st ar ted without the cor rect SmartK ey.
The immobilizer is automatically activated when
th e ignition is switched off and deactivated when
th e ignition is switched on.
When leaving theve hicle, alw aysta ke the Smart‐
Ke ywit hyo u and lock theve hicle. An yone can
st art the engine if a valid SmartK eyhas been left
inside theve hicle. %
Intheeve ntthe engine cannot bestar ted
(y et theve hicle ’sstar ter battery is charge d),
th e sy stem is not operational. Contact an
authorized Mercedes-Benz Center or call
1-800-FO R-MERCedes (in the USA) or
1-800-387-0 100 (in Canada).
ATA (anti-theft alarm system)
Fu nction of theATA system (anti-theft ala rm
sy stem)
If th eATA system is armed, a visual and audible
alarm is triggered in thefo llowing situations:
RWhen a door is opened
RWhen the trunk lid is opened
RWhen the hood is opened
RWhen theglove box is opened
82
Opening and closing

Notes onthe cor rect driver's seat position
&
WARNING Risk of injury from adjusting
th eve hicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
Rifyo u adjust the driver's seat, the head
re stra int, thesteering wheel or the mir ror
while theve hicle is in motion
Rifyo ufa sten your seat belt while theve hi‐
cle is in motion
#Before starting the engine: adjust the
driver's seat, the head restra int, the
st eering wheel or the mir ror and fasten
yo ur seat belt.
Ensure thefo llowing when adjusting thesteering
wheel 1, seat belt 2and driver's seat 3:
RYou are as faraw ay from the driver's airbag
as possible
RYo u are sitting in a no rmal upright position
RYour thighs are slightly supportedby the seat
cushion
RYo ur legs are not entirely stre tched and you
can dep ress the pedals properly
RThe back of your head is support ed ateye
le ve lby the center of the head restra int
RYo u can hold thesteering wheel with your
arms slightly bent
RYo u can mo veyour legs freely
RYo u can see all the displa yson the instru‐
ment clus ter clearl y
RYou ha vea good overview of the traf fic con‐
ditions
RThe seat belt is pulled snugly against the
body and is routed across the center of your
shoulder and across your hips in the pelvic
area
84 Seats and stowing

Seats
Adjusting the front seat electrically
&
WARNING Risk of becoming trapped if
th e seats are adjus tedby children
Children could become trapped if they adjust
th e seats, particularly when unattended.
#When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
#Ne ver lea vechildren unatte nded inthe
ve hicle.
The seats can be adjus ted when the ignition is
switched off.
& WARNING Risk of becoming trapped
when adjusting the seats
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the
seat guide rail.
#Make sure when adjusting a seat that
no one has any body parts in the sweep
of the seat.
Obser vethe saf etyno tes on "Airbags" and "Chil‐
dren in theve hicle".
&
WARNING Risk of injury from adjusting
th eve hicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
Rifyo u adjust the driver's seat, the head
re stra int, thesteering wheel or the mir ror
while theve hicle is in motion
Rifyo ufa sten your seat belt while theve hi‐
cle is in motion
#Before starting the engine: adjust the
driver's seat, the head restra int, the
st eering wheel or the mir ror and fasten
yo ur seat belt.
&
WARNING Risk of becoming trapped if
th e seat height is adjus ted carelessly
If yo u adjust the seat height carelessly, you
or other vehicle occupants could be trapped
and thereby injured.
Children in particular could accidenta lly
press the electrical seat adjustment buttons
and become trapped.
#While moving the seats, make sure that
hands or other body parts do not get
under the le ver assembly of the seat
adjustment sy stem.
&
WARNING Risk of injury duetohead
re stra ints which are not ins talled or are
adjus ted incor rectly
If head restra ints are not ins talled or are
adjus ted incor rectly, the head restra ints can‐
not pr ovide pr otection as intended.
There is an increased risk of injury in the
head and neck area, e.g. in theeve nt of an
accident or when braking.
Seats and stowing 85

#Beforestarting the engine: adjust the
driver's seat, the head restra int, the
st eering wheel or the mir ror and fasten
yo ur seat belt.
&
WARNING Risk of injury duetohead
re stra ints which are not ins talled or are
adjus ted incor rectly
If head restra ints are not ins talled or are
adjus ted incor rectly, the head restra ints can‐
not pr ovide pr otection as intended.
There is an increased risk of injury in the
head and neck area, e.g. in theeve nt of an
accident or when braking.
#Alw ays drive with the head restra ints
ins talled.
#Before driving off, make sure forev ery
ve hicle occupant that the center of the
head restra int supports the back of the
head at about eye le vel.
Do not rotate the head restra ints of the front and
re ar seats. Otherwise, you cannot adjust the
height and angle of the head restra ints cor rectl y. Ad
just the head restra int fore -and-aft position so
th at it is as close as possible tothe back of your
head.
#To mo veforw ards: pullthe head restra int
fo rw ards.
#To mo vebackwards: pressrelease knob 1
and push the head restra int backwards.
Extending there ar seat head restra ints elec‐
trically from the front
Re quirements
RThe po wer supply is switched on.
#Brief lypress button 1.
% Depending on the model, button 1is loca‐
te d on the door control panel on the driver's
side.
Au tomatically extending or retracting the
re ar seat head restra ints
#To extend: fasten seat belt.
The head restra int is extended.
88
Seats and stowing

Steering wheel
Adjusting the steering wheel electrically
&
WARNING Risk of injury from adjusting
th eve hicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
Rifyo u adjust the driver's seat, the head
re stra int, thesteering wheel or the mir ror
while theve hicle is in motion
Rifyo ufa sten your seat belt while theve hi‐
cle is in motion
#Before starting the engine: adjust the
driver's seat, the head restra int, the
st eering wheel or the mir ror and fasten
yo ur seat belt.
&
WARNING Risk of entrapment forch il‐
dren when adjusting thesteering wheel
Children could injure themselves if they
adjust thesteering wheel.
#Ne ver lea vechildren unatte nded inthe
ve hicle.
#When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
The steering wheel can be adjus ted when the
po we r supp lyis switched off.
1To adjust the dis tance tothesteering wheel
2To adjust the height
#Sa ve the settings with the memory function
(→page 96).
94 Seats and stowing

#Tocall up: press and hold there leva nt pre‐
set position button 1,2 or 3 until the front
seat, thesteering wheel, head-up display and
outside mir ror are in thestored position.
% Ifyo ure lease the preset position button, the
seat, steering wheel and mir ror setting func‐
tions stop immediatel y.
Ve hicles with an Active Multicon tour
Seat Package: The setting of the active mul‐
ticon tour seat or the 4-w aylumbar support
is still car ried out.
Ve hicles without theAc tive Multicon tour
Seat Package: Adjustment of the 4-w ay
lumbar support is still car ried out.
St ow age areas
Note s on loading theve hicle
&
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if the
trunk lid is open when the engine is running,
especially if theve hicle is in motion.
#Alw ays switch off the engine before
opening the trunk lid.
#Ne ver drive with the trunk lid open.
&
WARNING Risk of injury from unsecured
items in theve hicle
If objects, luggage or loads are not secured
or not secured suf ficientl y,they could slip,
tip ove r or be throw n around and thereby hit
ve hicle occupants.
There is a risk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction.
#Alw aysstow objects in such a wayth at
th ey cannot be thro wn around.
#Before the journe y,secure objects, lug‐
ga ge or loads against slipping or tipping
ove r.
&
WARNING Risk of injury from incorrectly
stowe d objects
If objects in theve hicle interior are stowed
incor rectly, they can slide or be throw n
around and hit vehicle occupants. In addi‐
tion, cup holders, open stowage spaces and
mobile phone brac kets cann otalw aysre tain
all objects they contain.
There is arisk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction.
#Alw aysstow objects so that they can‐
not be throw n around in such situa‐
tions.
#Alw ays make sure that objects do not
pr otru de from stowage spaces, luggage
nets or stowage nets.
#Close the loc kable stow age spaces
before starting a journe y.
#Alwaysstow and secure heavy, hard,
pointe d, sharp-edged, fragile or bulky
objects in the trunk.
98
Seats and stowing

Exterior lighting
Lighting systems and your responsibility
The various lighting sy stems of theve hicle are
only aids. The driver of theve hicle is responsible
fo r cor rect vehicle illumination in accordance
with the pr evailing light and visibility conditions,
legal requirements and traf fic situation.
Light switch
Opera ting the light switch
1WLeft-hand standing lamps
2X Right-hand standing lamps
3T Parking lights and license plate lamp
4Ã Automatic driving lights (prefer red light
switch position)
5L Low beam/high beam
6RSwitches there ar fog lights on or off
When low beam is activated, theT indicator
lamp forth e parking lights is deactivated and
re placed bytheL low beam indicator lamp.
#Always park your vehicle safely and in a well-
lit area, in accordance with there leva nt le gal
st ipulations.
* NO
TEBattery discharging byoperating
th est anding lights
Operating thest anding lights over a period of
hours puts a stra in on the batter y.
#Where possible, switch on the
ri ght X or left Wparking light.
Inthe case of se vere battery discharging, the
parking lights or standing lamps are automati‐
cally switch ed offtofacilitate the next engine
st art.
The exterior lighting (e xcept parking lights and
st anding lamps) switch es off automatically when
th e driver's door is opened.
Light and visibility 10
9