2018 MERCEDES-BENZ S-CLASS CABRIOLET buttons

Climate control......................................... 121
Overview of climate contro l systems ......... .121
Operating the climate control sy stem ......... 121
Drivin gand pa rking ................................. 128
Driving ........................................................ 128
DY NA MIC SELECT switch ............................1 36
Au tomatic transmission .............................. 137
Re fueling .................................................... 140
Pa rking ...................................................... .142
Driving and driving saf etysy stems ............ .150
Instrument Display and on-board
comp uter .................................................. 208
Instrument Display overview ...................... 208
Overview of the buttons on thesteering
wheel ......................................................... .209
Operating the on-board computer .............. 209
Overview of displa ysinthe multifunction
display ......................................................... 211
Ad justing the instrument lighting ............... .211
Menus and submenus ................................. 212
Head-up Display .......................................... 218
Vo ice Control Sy stem .............................. 220
No tes on operating saf ety.......................... 22 0
Ope ration ................................................... 220
Using theVo ice Cont rol Sy stem ef fec‐
tively ........................................................... 222
Essential voice commands ........................ .223
Multimedia sy stem .................................. 233
Overview and operation .............................. 233
Sy stem settings .......................................... 242
ENERGIZING comfort .................................. 254
Na vigation .................................................. 256
Te lephone .................................................. .280
Online and Internet functions ..................... 297
Media .........................................................3 04
Ra dio ...........................................................3 16
Sound ......................................................... 324
Main tenance and care ............................. 327
ASS YST PLUS service inter val display ........ 327
Engine compartment .................................. 328
Cleaning and care ...................................... .334
Breakdown assist ance............................ 342
Emergency ..................................................3 42
Flat tire ....................................................... 342
Battery (vehicle) ......................................... 348
To w starting or towing away ....................... 353
Electrical fuses ........................................... 359
Wheels and tires ...................................... 362
No tes on noise or unusual handling char‐
acteristics .................................................. .362
Re gular checking of wheels and tires ......... 362
No tes on snow chains ................................ 363
Ti re pressure .............................................. 364
Loading theve hicle .....................................3 70
Ti re labeling ................................................ 374
Definition of term sfo r tires and loading ..... 379
Changing a wheel ...................................... .382
Tech nical data .......................................... 392
No tes on tech nical da ta.............................. 392
Ve hicle electronics .....................................3 92
Ve hicle identification plate, VIN and
engine number overview ............................ .394
Operating fluids .......................................... 396
Conte nts 3

RThe backrest ofthefo rw ard-facing child
re stra int sy stem must, as far as possible, be
re sting on the seat backrest of the front
passenger seat. The child restra int sy stem
must not touch thero of or be put under
st ra in by the head restra ints.
RIf necessar y,adjust the angle of the seat
backrest and the head restra int position
according ly.
RAd just the seat cushion inclination so that
th e front edge of the seat cushion is in the
highest position and there ar edge of the
seat cushion is in the lo west position.
RAlways make sure that the shoulder belt
st ra p is cor rectly routed from the seat belt
outlet of theve hicle tothe shoulder belt
guide on thech ild restra int sy stem. The
shoulder belt stra p must be routed forw ards
and down wards from the seat belt outlet.
RIf necessar y,adjust the seat belt outlet and
th e front passenger seat accordingly.
RNe ver place objects under or behind the
ch ild restra int sy stem, e.g. cushions. Alw
ays comply with the manufacturer's ins talla‐
tion and operating instructions forth ech ild
re stra int sy stem used.
Note s on pets in theve hicle
&
WARNING Risk of accident and injury
due toanimals left unsecured or unat‐
te nded in theve hicle
If yo u lea veanimals in theve hicle unatten‐
ded or unsecured, they could possibly press
down buttons or switches.
There byan animal may:
Ractivate vehicle equipment and become
trapped, forex ample
Rswitch systems on or off and endanger
ot her road users
Uns ecured animals may be throw n around in
th eve hicle in theeve nt of an accident or
sudden steering and braking maneuver and
injure vehicle occupants in the process.
#Ne ver lea veanimals in theve hicle unat‐
te nded.
#Alw ays cor rectly secure animals while
driving, forex ample using a suitable
animal car rier.
56
Occupant saf ety

Ifyo udo not open theve hicle within appr ox‐
imately 40 seconds af ter unlocking:
Rth eve hicle is loc ked again
Ranti- theft pr otection is reactivated
Do not keep the SmartK eytoge ther with elec‐
tronic devices or me talobjects. This can af fect
th e SmartK ey's functionality.
% If battery check lamp 2does not light up
af te r pressing the% or& button, the
battery is dischar ged.
Ac tivating/deactivating the acoustic lo cking
ve rification signal
Multimedia sy stem:
,Vehicle.î Vehicle Set-
tings.Acoustic Lock
#Ac tivate Oor deacti vate ª the function.
Ac tivating/deactivating the panic alarm
Re quirements
% The panic alarm function is only available in
cer tain countries.
RThe ignition is switched off.
#To activate: press button 1for app rox‐
ima tely one second.
A visual and audible alarm is triggered.
#To deactivate: briefly press but ton1 again.
or
#Press thest art/ stop button on the dash‐
board (the SmartK eyis inside theve hicle).
Changing the unlocking settings
Po ssible unlocking functions of the SmartK ey:
RCentral unlo cking
RUn locking the driver's door and fuel filler flap
#To switch between settings: pressthe
% and& buttons simultaneously for
appr oximately six seconds until the battery
ch eck lamp flashes twice.
If th e unlocking function forth e driver's door
and fuel filler flap has been selecte d:
RPressingthe% button a second time cen‐
trally unloc kstheve hicle.
RVe hicles with KEYLESS-GO: ifyo uto uch
th e inner sur face of the door handle on the
driver's door, only the driver's door and fuel
fi ller flap are unlo cked.
Re ducing the energy consu mption of the
SmartK ey
Allvehicles: ifyo udo not use theve hicle or a
SmartK eyfor an extended pe riod of time, you
can reduce the energy consum ption of the
58
Opening and closing

Side windows
Opening and closing the side windo ws
&
WARNING Risk of entrapment when
opening a side window
When opening a side windo w,parts of the
body could be dr awn in or become trapped
between the side window and window frame.
#When opening, make sure that nobody
is touching the side windo w.
#If someone is trapped, release the but‐
to n immedia tely or pull it in order to
close the side window again.
&
WARNING Risk of becoming trapped
when closing a side window
When closing a side windo w,body parts
could be trapped in the closing area in the
process.
#When closing, make sure that no body
parts are in the closing area.
#If someone is trapped, release the but‐
to n immedia tely or pres sth e button in
order toreopen the side windo w.
&
WARNING Risk of becoming trapped
when children opera tethe side windo ws
Childr en could become trapped if they oper‐
ate the side windo ws, particularly when unat‐
te nded.
#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.
Re quirements:RThe po wer supply or the ignition is switched
on.
1Closes
2Opens
The buttons on the driver's door take prece‐
dence.
#To start automatic operation: pressthe
W button be yond the point of resis tance
or pull and release it.
72
Opening and closing

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.
82 Seats and stowing

#Save the settings with the memory function
(→page 93).
% The head restra int height is adjus ted auto‐
matically when you adjust the seat height or
th e seat fore -and-aft position.
Ad justing the front passen ger seat from the
driver's seat electrically
Re quirements:RTo select the front passenger seat: the po wer
supply is switched on.
Yo u can call up thefo llowing functions forth e
front passenger seat:
RSeat adjustment
RSeat heating
RSeat ventilation
RMemory function
#To select the front passenger seat: press
button 1.
When the indicator lamp lights up, the front
passenger seat is selected.
#Ad just the front passenger seat using the
buttons in the door control panel on the driv‐
er's side.
Head restra ints
Ad justing the front seat head restra ints man‐
ually
& 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
84 Seats and stowing

Ifth ere is a risk of becoming trapped bythe
st eering wheel:
#Mo vethe adjustment le ver of thesteer‐
ing wheel.
The adjustment process is stopped.
If th ere is a risk of becoming trapped bythe
driver's seat:
#Press the seat adjustment switch.
The adjustment process is stopped.
Ve hicles with memory function: You can stop
th e adjustment process bypressing one of the
memory position buttons of the memory func‐
tion.
& WARNING Risk of becoming trapped
duri ng acti vation of the easy ent ryand
ex itfeature bychildren
If ch ildren activate the easy ent ryand exit
fe ature, they can become trapped, part icu‐
lar lywhen unat tended.
#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.
Ifth e easy ent ryand exitfeature is active, the
st eering wheel will mo veupwar dsand the driv‐
er's seat will mo veback in thefo llowing situa‐
tions:
RYo u switch the ignition off when the driver's
door is open
RYo u open the driver's door when the ignition
is switched off
% The steering wheel mo ves upwards only if it
has not already reached the upper stop. The
driver's seat mo ves backwards only if it is
not already in there armost position.
The steering wheel and the driver's seat mo ve
back tothe last drive position in thefo llowing
cases:
RYo uswit ch th e power supply or the ignition
on when the driver's door is closed
RYo u close the driver's door when the ignition
is switched on
The last drive position is stored in thefo llowing
situations:
RYo u switch the ignition off
RVe hicles with memory function: Call up
th e seat settings via the memory function.
RVe hicles with memory function: Save the
seat settings via the memory function.
Ve hicles with memory function: Press one of
th e memory function sa ved position buttons to
st op the adjustment process.
Setting the easy entry and exitfeature
Multimedia sy stem:
,Vehicle.î Vehicle Set-
tings.Easy Entry/Exit
#Select Steering Wheel & Seat ,Steering
Wheel Only orOff.
92
Seats and stowing

Overview of climate control systems
Overview of the operating unit for automatic
climate control
The indica tor lamps in the buttons indicate that
th e cur rent function is acti vated.
1Ã Sets climate control toautomatic, left
(→page 122)
2w Setsthete mp erature, left
3K Setsthe air flow , left
4g Switches air-recirculation mode on/off
(→page 123)
5¬ Demists the windshield
6t Calls up the air conditioning menu
7¤ Switches there ar wind owheater
on/off
8Á Switches the A/C function on/off
(→page 121)
Switches there sidual heat on/off
(
→page 123)
9K Setsthe air flow ,ri ght
Aw Setsthete mp erature, right
BÃ Sets climate contro lto automatic, right
Operating the clima tecontro l system
Ac tivating/deactivating climate control
#To switch on: setthe air flow toleve l 1 or
higher using theK button.
#Toswitch off: setthe air flow toleve l 0 using
th eK button.
% If climate control is switched off, the win‐
do ws may mist up more quickl y.Switch off
climate control only brie fly.
Ac tivating/deactivating the A/C function via
the control panel
The A/C function heats, cools and dehumidifies
th eve hicle's interior air.
#Press theÁ button.
Deactivate the A/C function only briefly other‐
wise the windo wscan fog up more quickl y.
Condensation may drip from the underside of
th eve hicle when cooling mode is active. This is
not a sign that there is a malfunction.
Ac tivating/deactivating the A/C function
using the multimedia sy stem
Multimedia sy stem:
,Vehicle.b Climate Control.A/C
The A/C function heats, cools and dehumidifies
th eve hicle's interior air.
#Switch the function on Oor off ª.
Climate control 12
1