2019 MERCEDES-BENZ S-CLASS CABRIOLET hood open

1
Steering wheel paddle shif ter →
141
2 Combination swit ch →
11 2
3 DIRECT SELECT le ver →
13 9
4 PASSENGER AIRB AGindicator lamps →
42
5 Display (multimedia sy stem) →
237
6 Start/ stop button →
131
7 Climate cont rol sy stems →
12 3
8 Glovebox →
101
9 Stow age compartment →
101
A Cup holder →
105
B Haza rdwa rning lights →
11 3
C Extends there ar seat head restra ints →
89
D Parking Assist PARKTRONIC →
184
E Control elements forth e multimedia sy stem →
238
F Opens and closes the soft top →
77
G Activates and deacti vates AIR CAP →
79
H Opens and closes the side windo ws →
72 I
Active Parking Assist →
19 2
J Sets theve hicle le vel →
180
K DYNA MIC SELECT switch →
13 8
L ECO start/ stop function →
137
M Control panel forth e multimedia sy stem →
211
N Adjusts thesteering wheel →
95
O Control panel for:
On-board computer →
211
Operates cruise control →
16 5
Operates Active Dis tance Assi stDISTRONIC →
16 8
P Unloc ksthe hood →
338
Q Elect ric pa rking brake →
151
R Light switch →
111
S Control panel for:
Ac tive Steering Assist →
173
Ac tive Lane Keeping Assist →
207
Night View Assi st →
201 At
aglance – Cockpit 7

ATA
(anti-theft ala rmsystem) 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:
R When a door is opened
R When the trunk lid is opened
R When the hood is opened
R When theglove box is opened
The ATA system is armed automatically af ter
appr oximately 10seconds:
R After locking theve hicle with the SmartK ey
R After locking theve hicle using KEYLESS-GO. When
theATA system is armed, indicator lamp
1 flashes.
The ATA sy stem is automatically deactivated:
R After unlocking theve hicle with the Smart‐
Key
R After pressing thest art/ stop button with the
SmartK eyinside theve hicle R
After unlocking theve hicle using KEYLESS-
GO
Deactivating theATA #
Press the0036, 0037or008B button on the
SmartK ey.
or #
Press thest art/ stop button with the Smart‐
Ke y in thestow age compartment
(→ page 132)
Deactivating the ala rmusing KEYLESS-GO: #
Grasp the outside door handle with the
SmartK eyoutside theve hicle. 84
Opening and closing

R
The star ter battery is suf ficiently charge d.
% You can also set thete mp erature with your
smartphone. In form ation on Mercedes me
connect and other services: http://
www.mercedes.me
This function is not available for all models.
Charging the bat tery before commencing
yo ur journey
% This function is not available in all countries.
R Ifth eve hicle battery is discharged, you
re cei vea message on your smartphone.
R You can then start theve hicle with the
smartphone tocharge the batter y.
R The vehicle is automatically switched off
af te rte n minu tes.
Ensure thefo llowing before starting the engine:
R The legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R It is safe tostart and runth e engine where
yo ur vehicle is par ked.
R The fuel tank is su fficiently filled. St
arting theve hicle &
WARNING Risk of crushing or entrap‐
ment due tounin tentional starting of the
engine
Limbs could be crushed or trapped if the
engine is star ted unintentionally during
service or maintenance work. #
Alw ays secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work. Re
quirements:
R Park position 005Dis selected.
R The anti- theft alarm sy stem is not activated.
R The panic alarm is not activated.
R The hazard warning lights are switched off.
R The hood is closed.
R The doors are closed and loc ked.
R The windo wsand soft top are closed. #
Start theve hicle using the smartphone: R
Aftereve ryvehicle start, the engine runs for
te n minu tes.
R You can car ryout a maximum of two consec‐
utive starting attem pts. The vehicle must be
st ar ted once with the SmartK eybefore trying
to start theve hicle again with the smart‐
phone.
R You can stop theve hicle again at any time.
R Further information can be found in the
smartphone app.
Securing the engine against starting before
car rying out maintenance or repair work: #
Switch on the hazard warning lights.
or #
Unlock the doors.
or #
Open a side window or the soft top. Breaking-in no
tes Mercedes-AMG
vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognize dangers. Driving and pa
rking 13 3

&
WARNING Danger of bu rns when open‐
ing the hood
If yo u open the hood when the engine has
ove rheated or during a fire inthe engine
compartment, you could come into contact
with hot gases or other escaping operating
fl uids. #
Before opening the hood, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the hood closed and
call thefire service. Overview of
the but tons on thest eering
wheel 1
¤ Back/Home button (press and hold),
on-board computer
2 Touch Control, on-board co mputer
3 Control panel for cruise control or Active
Dis tance Assi stDISTRONIC
4 Control panel for multimedia sy stem:
£ Voice Cont rol Sy stem
ß Displa ysfavo rites
VO L: control knob, adjusts thevo lume or
switches the sound off 0063(press)
0061 Makes/accepts a call 0076
Rejects/ends a call
5 00E2 Calls up the home screen
6 Touch Control multimedia sy stem
7 0038 Back button (press and hold) Operating
the on-boa rdcompu ter &
WARNING Risk of di stra ction from infor‐
mation sy stems and communications
equipment
If yo u operate information and communica‐
tion equipment integ rated in theve hicle
when driving, you will be distracted from the
traf fic situation. This could also cause youto
lose control of theve hicle. #
Only operate this equipment when the
traf fic situation permits. #
Ifyo u cannot be sure of this, stop the
ve hicle whilst paying attention toroad
and traf fic conditions and ope rate the
equipment with theve hicle stationar y. Instrument Display and on-board computer
211

Opening/closing
the hood &
WARNING Risk of accident if the engine
hood is unlatched while driving
An unloc ked engine hood may open up when
th eve hicle is in motion and block your vie w. #
Never unlatch the engine hood while
driving. #
Before every trip, ensure that the
engine hood is latched. &
WARNING Risk of accident and inju ry
when opening and closing the engine
hood
When opening or closing the engine hood, it
may suddenly drop into the end position.
There is a risk of injury for an yone in the
engine hood's range of mo vement. #
Only open or close the engine hood
when there are no persons in the
engine hood's range of mo vement. &
WARNING Danger of bu rns when open‐
ing the hood
If yo u open the hood when the engine has
ove rheated or during a fire inthe engine
compartment, you could come into contact
with hot gases or other escaping operating
fl uids. #
Before opening the hood, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the hood closed and
call thefire service. &
WARNING Risk of inju rydue tomoving
parts
Cer tain components in the engine compart‐
ment may continue tomo veor suddenly
mo veagain even af terth e ignition has been
switched off, e.g. the cooler fan.
Ma kesure of thefo llowing before per form ing
ta sks in the engine compartmen t: #
Switch the ignition off. #
Neverto uch the danger zone sur round‐
ing moving co mponent parts, e.g. the
ro tation area of thefa n. #
Remo vejewe lry and watches. #
Keep items of clo thing and hair away
from moving parts. &
WARNING Risk of inju ryfrom touching
co mp onent parts under voltage
The ignition sy stem and the fuel injection
sy stem workunder high voltage. If youto uch
co mp onent parts which are under voltage,
yo u could recei vean electric shoc k. #
Neverto uch co mponent parts of the
ignition sy stem or the fuel injection sys‐
te m when the ignition is switched on. &
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. 338
Maintenance and care

#
Allow the engine tocool down and only
to uch co mponent parts described in the
fo llowing. &
WARNING Risk of inju ryfrom using the
windshield wipers while the engine hood
is open
When the engine hood is open and the wind‐
shield wipers are set in motion, you can be
trapped bythe wiper linkage. #
Alw ays switch off the windshield wipers
and ignition before opening the engine
hood. #
Toopen: pull lever1 torelease the hood. #
Push handle 1ofthe hood catch upwards
and lift the hood byappr oximately 15in
(40 cm). #
Toclose: lowe rth e hood and let it fall from a
height of appr oximately 8 in (20 cm). #
Ifth e hood can still be lif ted slightl y,open
th e hood again and close it with a little more
fo rc e until it engages cor rectl y. Maintenance and care
339

Engine oil
Checking
the engine oil le vel with an on-
board computer
Re quirements:
The engine oil le vel is de term ined during driving.
De term ining the engine oil le vel can take up to
30 minutes with a normal driving style and even
longer with an active driving style.
In order torecei veare sult as quickly as possi‐
ble:
R Warm upthe engine.
R Park theve hicle on a le vel sur face.
R Lea vethe engine running at idle speed.
On-board compu ter:
, Service .
Engine Oil Level
Yo u will see one of thefo llowing messa ges in
th e multifunction displa y:#
Measuring Engine Oil Level...: measurement
of the oil le vel is not yet possible. Repeat the
requ est af ter a maximum of 30 minutes' driv‐
ing. #
Engine Oil Level OK andthe bar display for
indicating the oil le vel in the multifunction
display is green and is between "min" and
"max": the oil le vel is cor rect. #
Engine Oil Level Add 1.0 l andthe bar display
fo r indicating the oil le vel in the multifunction
display is orange and is below "min": add
1. 1 US qt (1 liter) of engine oil. #
Reduce Engine Oil Level andthe bar display
fo r indicating the oil le vel in the multifunction
display is orange and is abo ve"max": drain
off theex cess engine oil. Consult a qualified
specialist workshop. #
For Engine Oil Level Switch Ignition On:
switch on the ignition tocheck the engine oil
le ve l. #
Engine Oil Level System Inoperative: sensor
defective or not inse rted. Consult a qualified
specialist workshop. #
Engine Oil Level System Currently Unavail.:
close the hood. Ad
ding engine oil &
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch co mponent parts described in the
fo llowing. &
WARNING Risk offire and injury from
engine oil
If engine oil comes into con tact wi thhot
component parts in the engine compart‐
ment, it may ignite. #
Make sure that no engine oil is spilled
next tothefiller opening. #
Allow the engine tocool off and thor‐
oughly clean the engine oil from compo‐
nent parts before starting theve hicle. 340
Maintenance and care

#
Park theve hicle on a le vel sur face. #
Check the coolant temp erature display in the
instrument clus ter.
The coolant temp erature must be below
15 8 °F (70 °C). #
If necessa ry,re mo vethe co ver. #
Slowly turn cap 1counter-clockwise to
re lie ve ove rpressure. #
Continue turning cap 1counter-clockwise
and remo veit.
The coolant le vel is cor rect:
R Ifth e engine is cold, up tomar ker bar 2.
R Ifth e engine is warm, up to0.6 in (1.5 cm)
ov er mar ker bar 2. #
If necessar y,add coolant that has been
appr ovedby Mercedes-Benz.
R Further information on coolant:
(→ page 414) Ad
ding washer fluid tothe windshield
wa sher sy stem &
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain component parts in the engine com‐
partment can be very hot, e.g. the engine,
th e cooler and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
as follo ws. &
WARNING Danger of bu rns when open‐
ing the hood
If yo u open the hood when the engine has
ove rheated or during a fire inthe engine
compartment, you could come into contact
with hot gases or other escaping operating
fl uids. #
Before opening the hood, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the hood closed and
call thefire service. &
WARNING ‑ Risk of fire and injury from
windshield washer concentrate
Wi ndshield washer concentrate is highly
fl ammable. It could ignite if it comes into
con tact wi thhot engine component parts or
th eex haust sy stem. #
Make sure that no windshield washer
concentrate spills out next tothefiller
opening. 342
Maintenance and care