2018 MERCEDES-BENZ S-CLASS CABRIOLET engine

&DANG ER Risk of fata l injury due topoi‐
sonous exhaust gases
If th eta ilpipe is bloc ked or suf ficient ventila‐
tion is not possible, poisonous exhaust gases
such as carbon monoxide may enter theve hi‐
cle. This is the case if theve hicle getsst uck
in snow ,fo rex ample.
#Ke ep theta ilpipe and the area around
th eve hicle free from snow when the
engine or thest ationary heater are run‐
ning.
#Open a window on the windward side of
th eve hicle toensure an adequate sup‐
ply of fresh air.
& WARNING Risk of accident and injury
due tobeing under the influence of alco‐
hol and drugs while driving
Driving when under the influence of alcohol
and/or drugs is an extreme lydangerous
combination. Even small quantities of alcohol
or drugs may af fect your reflexe s, perception
and judgment.
The probability of a serious or even fata l acci‐
dent greatly inc reases if you dr ive when
under the influence of alcohol or drugs.
#Do not drink alcohol or take drugs while
driving, and do not allow an yone to
drive who has been drinking alcohol or
ta king drugs.
&
WARNING Risk of accident due tothe
brake sy stem overheating
If yo u lea veyour foot on the brake pedal
when driving, the brake sy stem may over‐
heat.
This increases the braking dis tance and the
brake sy stem may evenfa il.
#Ne ver use the brake pedal as a foot re st.
#Do not depress the brake pedal and the
accelerator pedal at the same time
while driving.
* NO
TEWearing out the brake linings by
continuously dep ressing the brake pedal
#Do not depress the brake pedal contin‐
uously whilst driving.
#To use the braking ef fect of the engine,
shift toa lo werge ar in good time.
* NO
TEDama getothe driv etra in and the
engine when pulling away
#Do not warm upthe engine when the
ve hicle is stationar y.Pull away immedi‐
atel y.
#Avoid high engine speeds and driving at
full thro ttle until the engine has reached
operating temp erature.
#Do not allow the wheels tospin.
* NO
TEDama getothe catalytic con verter
due tonon-combu sted fuel
The engine is not running smoot hly and is
misfiring.
Driving and parking 13
3

Non-combusted fuel may get into the cata‐
lytic con verter.
#Only depress the accelera tor pedal
slightl y.
#Have the cause rectified immediately at
a qu alified specialist workshop.
Limited braking ef fect on salt-treate dro ads:
Rdue tosalt build-up on the brake discs and
brakepads, the braking dis tance can increase
conside rably or result in braking only on one
side.
Rmaintain a much greater safe dis tance tothe
ve hicle in front.
To preve nt salt build-up:
Rbrake occasionally while paying attention to
th e tra ffic conditions.
Rcarefully depress the brake pedal at the end
of the journey and when starting the next
journe y.
ECOstart/s top function
Opera tion of the ECO start/s top function
Mercedes -AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may not recog‐
nize dangers.
The engine is au tomatical lyswitched off if the
fo llowing conditions are me t:
Rifyo ubr ake theve hicle toast andstill in
transmission position hori.
Rif all vehicle conditions for an au tomatic
engine stop are met.
The è symbol appears in the multifunction
display when theve hicle is stationar y.
The engine is restar ted automatically if:
Ryo ure lease the brake pedal in transmission
position hwhen the HOLD function is not
active.
Ryo u shift from transmission position j.
Ryou enga getransmission position hork.
Ryou depress the accelerator pedal.
Ryo uch ange theve hicle le vel.
Ran automatic engine start is necessar y.
If th e engine was switched off bythe ECO start/
st op function and you lea vetheve hicle, a warn‐
ing tone sounds. The Vehicle Operational Switch
the Ignition Off Before Exiting displaymessage
also appears in the multifunction displa y.Ifyo u
do not switch off the ignition, the ignition is
automatically switched off af ter one minute.
13 4
Driving and pa rking

DYNA MIC SELECT switch
Function of theDY NA MIC SELECT switch
Mercedes-AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognize dangers.
Use theDY NA MIC SELECT switch tochange
between thefo llowing drive programs:
R= (Individual): individual settings
RB(Sport Plus): particularly sporty driving
st yle
RC (Sport): sporty driving style
RA (Comfort): comfortable and economi‐
cal driving style
RVe hicles with MAGIC BODY CONT ROL:
N (CURVE): comfortable driving with
cur veinclination function
Depending on the drive program selected thefo l‐
lowing vehicle characteristics will change:
RDrive
-Engine and transmission management
-Ac tive Dis tance Assist DISTRONIC
RESP®
RSuspension
RSteering
Selecting the drive prog ram
#Press DYNA MIC SELECT switch 1forw ards
or backwards.
The drive prog ram selected appears in the
multifunction displa y.
Configuring drive prog ram I
Multimedia sy stem:
,Vehicle.e DYNAMIC
SELECT.Individual
#Select the individual setting.
Displaying vehicle data
Multimedia sy stem:
,Vehicle.e DYNAMIC SELECT
#Select Vehicle Data.
The vehicle data is displa yed.
Displaying engine data
Multimedia sy stem:
,Vehicle.e DYNAMIC SELECT
#Select Engine Data.
136
Driving and pa rking

%The values for engine output and engine tor‐
qu e may deviate from the nominal values.
Items that can influence this are, forex am‐
ple:
REngine speed
RSea le vel
RFu el grade
ROutside temp erature
Automatic transmission
DIRECT SELECT le ver
Fu nction of the DIRECT SELECT le ver
&
WARNING Risk of accident and injury
due tochildren left unatte nded inthe
ve hicle
If ch ildren are left unatte nded intheve hicle,
th ey could:
Ropen doo rs,th ereby endangering other
persons or road users.
Rge t out of theve hicle and be hit by
oncoming traf fic.
Rope rate ve hicle equipment and become
trapped, forex ample.
In addition, children could also set theve hi‐
cle in motion, forex ample, by:
Rreleasing the parking brake.
Rshifting the automatic transmission out of
park position j.
Rstarting the engine.
#Ne ver lea vechildren and animals unat‐
te nded in theve hicle.
#When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle.
#Ke ep the SmartK eyout of there ach of
ch ildren.
&
WARNING Risk of accident due toincor‐
re ct gearshifting
If th e engine speed is higher than the idle
speed and you enga gethe transmission posi‐
tion hork, theve hicle may accelerate
sharply.
#If yo u enga gethe transmission position
h ork always depress the brake
pedal firm lyand do not accelerate at
th e same time.
Use the DIRECT SELECT le verto shift the trans‐
mission position. The cur rent transmission posi‐
tion is displ ayed in the multifunction displa y.
Driving and parking 13
7

jPark position
kReversege ar
iNeutra l
hDrive position En
gaging reve rsege ar R
#Depress the brake pedal and push the
DIRECT SELECT le ver up past thefirs t point
of resis tance.
The transmission position displ aysho wsk
in the multifunction displa y.
Shifting toneutral N
#Depress the brake pedal and push the
DIRECT SELECT le ver up or down tothefirs t
point of resis tance.
The transmission position displ aysho wsi
in the multifunction displa y.
Subsequently releasing the brake pedal will
allow youto mo vetheve hicle freel y,e.g. topush
it or tow it away.
If yo uwa ntthe automatic transmission to
re main in neutral N even if the ignition is
switched off:
#St art theve hicle.
#Depress the brake pedal and shift toneutral
i.
#Re lease the brake pedal.
#Switch the ignition off. %
Ifyo uth en exitth eve hicle leaving the
SmartK eyintheve hicle, the automatic trans‐
mission remains in neutral i
Engaging park position P
#Press thej button.
The transmission position display sho wsj
in the multifunction displa y.
Pa rk position jis engaged automatically if one
of thefo llowing conditions is me t:
RYou switch the engine off with the transmis‐
sion in position hork.
RYou open the driver's door when theve hicle
is at a standstill or when driving at a very low
speed and the transmission is in position h
or k.
Engaging drive position D
#Depress the brake pedal and push the
DIRECT SELECT le ver down past thefirs t
point of resis tance.
The transmission position displ aysho wsh
in the multifunction displa y.
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Driving and pa rking

Whenthe automatic transmission is in transmis‐
sion position h, it shiftsthege ars automati‐
call y.This depends on thefo llowing factors:
RThe selected drive program
RThe position of the accelera tor pedal
RThe road speed
Manual gearshifting
&
WARNING Risk of skidding and of an
accident due toshifting down on slippery
ro ad sur faces
If yo u shift downonslipp eryroad sur faces to
inc rease the engine braking ef fect, the drive
wheels may lose traction.
#Do not shift down on slippery road sur‐
fa ces toinc rease the engine braking
ef fect.
#To activate: pullsteering wheel paddle
shif ter1 or2.
Manual gearshifting is activated for a short
time. The cur rent gear is displa yed in the
multifunction displa y.
% How long the manual gearshifting stay s acti‐
va ted depends on the driving style.
#To shift up: pullsteering wheel paddle
shif ter2.
#To shift down: pullsteering wheel paddle
shif ter1.
#To deactivate: pullsteering wheel paddle
shif ter2 and hold it in place.
The transmission position happears in the
multifunction displa y.
% Ifyo u select theManual drive setting in
drive prog ram =, manual gearshifting is
permanent lyactivated.
Mercedes -AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognize dangers.
Gearshift recommendation
Mercedes -AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may not recog‐
nize dangers.
The gearshift recommendation assists you in
adopting an economical driving style.
Driving and parking 13
9

#Ifge arshift recommendation message 1is
shown on the multifunction displa y,shift to
th ere commended gear.
Using kickdow n
Mercedes-AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognize dangers.
#Maximum acceleration: depress the accel‐
erator pedal be yond the pressure point.
The automatic transmission shifts up tothe next
ge ar when the maximum engine speed is
re ached toprotect the engine from overrev ving.
Re fueling
Refueling theve hicle
&
WARNING Risk offire or explosion from
fuel
Fu els are highly flammable.
#Fire, open flames, smoking and creating
spar ksmust be avoided.
#Swit choff the ignition and, if it has
been in use, switch off thest ationary
heater before youre fuel your vehicle.
&
WARNING Risk of injury from fuel
Fu els are poisonous and harmful to your
health
#Do not sw allow fuel or let it come into
contact with skin, eyes or clo thing.
#Do not inhale fuel vapors.
#Ke ep children away from fuel.
If yo u or other people come into contact with
fuel, obser vethefo llowing:
#Immediately rinse fuel off your skin with
soap and water.
#If fuel comes into contact with your
ey es, immediately rinse them thor‐
oughly with clean water.Seek medical
attention immediately.
#If yo u sw allow fuel, seek medical atten‐
tion immediatel y.Do not induce vomit‐
ing.
#Change immediately out of clo thing that
has come into con tact wi thfuel.
&
WARNING Risk offire and explosion due
to electros tatic charge
Electros tatic charge can create sparksand
th ereby ignite fuel vapors.
#Before you open the fuel filler cap or
ta ke hold of the pump nozzle, touch the
me tallic vehicle body.
This dischar ges any electros tatic charge
th at may ha vebuilt up.
140
Driving and pa rking

#Do notget into theve hicle again during
th ere fueling process.
Otherwise, electros tatic charge could
build up again.
* NO
TEDama gecaused bythe wrong fuel
Ve hicles with a gasoline engine:
Even small amounts of the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and the emission control sy stem.
#The RONrequ irement is located in the
fuel filler flap.
#Only re fuel with lo w-sulfur unleaded
fuel.
This fuel may contain up to10 %ethanol.
Yo ur vehicle is suitable for use with E10 fuel.
Do not refuel using thefo llowing fuels:
RDiesel
RE15, E85, E100
RGasoline con taining me thanol (M15, M30,
M85, M100)
RGasoline with additives con taining me tal
If yo u accidentally refuel with the wrong fuel:
#Do not switch the ignition on.
#Consult a qualified specialist workshop.
* NO
TEDo not use diesel torefuel vehi‐
cles with a gasoline engine.
Ifyo u accidenta llyrefuel with the wrong fuel:
RDo not switch on the ignition. Otherwise
fuel can enter the engine.
Even small amounts of the wrong fuel
could result in damage tothe fuel sy stem
and the engine. The repair costs are high.
#Contact a qualified specialist workshop.
#Ha ve the fuel tank and fuel lines
drained compl etely.
* NO
TEDama getothe fuel sy stem caused
by ove rfilled fuel tanks.
#Only fill th e fuel tank until the pump
nozzle switches off.
* NO
TEFuel may spr ayout when you
re mo vethe fuel pump nozzle.
#Only fill th e fuel tank until the pump
nozzle switches off.
Re quirements:RThe vehicle is unloc ked.
Obser vethe no tes on operating fluids
(
→page 396).
Driving and parking 14
1