2019 MERCEDES-BENZ S-CLASS CABRIOLET battery

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

App
lying/releasing the electric pa rking
brake manually
Applying #
Push handle 1.
The red0049 (USA) or 0024(Canada) indica‐
to r lamp appears in the instrument clus ter. %
The electric parking brake is only securely
applied if the indicator lamp is lit continu‐
ously.
Re leasing #
Swit chon the ignition. #
Pull handle 1.
The red0049 (USA) or 0024(Canada) indica‐
to r lamp in the instrument clus ter goes out.
Emer gency braking #
Press and hold handle 1.
When theve hicle has been braked to a
st andstill, the electric parking brake is
applied. The red0049 (USA) or 0024(Can‐
ada) indicator lamp appears in the instru‐
ment clus ter. Note
s on parking theve hicle for an extended
period If
yo u lea vetheve hicle par kedfo r longer than
fo ur we eks, the disconnected battery may be
damaged bydeep dischar ge. If
yo u lea vetheve hicle par kedfo r longer than six
we eks, it may suf fer disuse dama ge.
% Further information can be obtained at a
qu alified specialist workshop. Connecting trickle
charger *
NO
TEStarter battery dama gedue to
long non-ope rational times If
th eve hicle is not mo vedfo r a longer
period, thest ar ter battery may discharge and
be dama ged. #
Connect a trickle charge rto the soc ket
in the trunk. #
Switch the ignition off. Driving and parking
15 3

#
Connect the trickle charge rto the soc ket1
using the adap ter cable. Consult the manu‐
fa cturer's ope rating instructions on how to
do so.
% You can also close the trunk lid when the
trickle charge r is connected. *
NO
TEDama getothe connecting cable
when closing the trunk lid #
Do not bring the connecting cable into
th e area of the lock when closing the
trunk lid. *
NO
TEDama getothe connecting cable
and the connector when theve hicle unin‐
te ntional lyrolls away #
Keep the connector outside of the trunk
when closing the trunk lid. #
Before switching on the ignition, remo vethe
adap ter cable from soc ket1 again. St
andby mode (extension of the star ter bat‐
te ry 's period out of use) St
andby mode function
% This function is not available for all models.
If standby mode is activated, theve hicle can be
par kedfo r an extended pe riod of time without
losing po wer. St
andby mode is characterized bythefo llowing:
R The star ter battery is preser ved.
R The maximum non-operational time out of
use is displa yed in the multimedia sy stem
displa y.
R The connection toonline services is inter rup‐
te d.
If th efo llowing conditions are fulfilled, standby
mode can be activated or deactivated using the
multimedia sy stem:
R The engine is switched off.
R The ignition is switched on.
Exceeding theve hicle's displa yed non-opera‐
tional time may cause inco nvenience, i.e. it can‐
not be guaranteed that thest ar ter battery will
re liably start the engine.
The star ter battery must be charge dfirs t in the
fo llowing situations:
R The vehicle's non-operational time must be
ex tended. 15 4
Driving and pa rking

R
The Battery Charge Insufficient for Standby
Mode message appears in the multimedia
sy stem displa y.
% Standby mode is automatically deactivated
when the ignition is switched on.
Ac tivating/deactivating standby mode
Multimedia sy stem:
, Vehicle .
î Vehicle Set-
tings .
Standby Mode
% This function is not available for all models. #
Activate 0073or deacti vate 0053 the function.
When you activate the function, a prom pt
appears. #
Select Yes.
St andby mode is activated. Driving and driving saf
ety sy stems Driving sy
stems and your responsibility Yo
ur vehicle is equipped with driving sy stems
which assist you in driving, parking and maneu‐
ve ring theve hicle. The driving sy stems are aids and do not
relie ve you of your responsibility per‐
ta ining toroad traf fic la w.Pay attention tothe
traf fic conditions at all times and inter vene
when necessa ry. Be aware of the limitations
re ga rding the safe use of these sy stems. Fu
nction of thera dar senso rs Some driving and driving sa
fety sy stems use
ra dar sensors tomonitor the area in front of,
behind or next totheve hicle (depending on the
ve hicle's equipment).
Depending on theve hicle's equipment, thera dar
sensors are integrated behind the bumpers
and/or behind the Mercedes star. Keep these
parts free of dirt, ice and slush (→ page 352).
The sensors must not be co vered, forex ample
by cycle rack s, ove rhanging loads, sticke rs,fo il
or foils toprotect against stone chipping. In the
eve nt of dama getothe bumpers or radiator grill,
or following a collision impacting the bumpers or
ra diator grill, ha vethe function of thera dar sen‐
sors checked at a qualified specialist workshop.
The driver assis tance sy stem may no longer
wo rkproperly. Overview of driving sy
stems and driving
saf ety sy stems In
this section, you will find information about
th efo llowing driving sy stems and driving saf ety
sy stems:
R 360° Camera (→ page187)
R ABS ( Anti-lo ckBra king System)
(→ page 156)
R Active Dis tance Assi stDISTRONIC
(→ page 166)
R AIR BODY CONTROL (→ page178)
R Active Brake Assi st (→page 159)
R Active Lane Keeping Assist (→ page 205)
R ATTENTION ASSIST (→ page196)
R BAS (Brak eAssist System) (→ page156)
R Hill Start Assist (→ page177)
R EBD ( Electronic Brakeforc eDistribution)
(→ page 159)
R ESP ®
(Electronic Stability Program)
(→ page 156)
R Active Speed Limit Assi st (→page 169) Driving and parking
15 5

Te
lephone menu overview 1
Blue tooth ®
device name of the cur rently
connected mobile phone
2 Signal stre ngth of the mobile phone network
fo rth e cur rently connected and selected
mobile phone
3 Battery status of the cur rently connected
and selected mobile phone 4
0071 (telephone ready) or 0097(call active)
5 Contacts (→page 292)
6 Recent Calls (→page 294)
7 Text Message
8 One mobile phone connec ted: Active Call. Tw
o mobile phones connected: changes view
between telephone 1 and 2 or Active Call
9 Devices (→page 287)
A Options 286
Multimedia sy stem

%
Ifth ere is a malfunction in the emer gency
call sy stem (e.g. a malfunction with the
speaker, microphone, airbag, SOS button), a
cor responding message appears inthe mul‐
tifunction display of the instrument clus ter.
Tr iggering an automatic emer gency call
Re quirements
R The ignition is switched on.
R The star ter battery is suf ficiently charge d.
If re stra int sy stems such as airbags or Emer‐
ge ncy Tensioning Devices ha vebeen activated
af te r an accident, the Mercedes-Benz emer‐
ge ncy call sy stem may automatically initiate an
emer gency call.
The eme rgency call has been made:
R Avo ice connection is made tothe Mercedes-
Benz emer gency call center.
R A messa gewith accident data is transmitted
to the Mercedes-Benz emer gency call center.
The Mercedes-Benz emergency call center
can transmit theve hicle position data toone
of the emer gency call centers. The SOS button in
theove rhead control panel
fl ashes until the emer gency call is finished.
It is not possible toimmediately end an auto‐
matic emer gency call.
If no connection can be made tothe emer gency
services ei ther, a cor responding message
appears inthe media displa y. #
Dial the local emer gency number on your
mobile phone.
If an eme rgency call has been initiated:
R Remain in theve hicle if thero ad and traf fic
conditions permit youto do so until a voice
connection is es tablished with the emer‐
ge ncy call center operator.
R Based on the call, the operator decides
whe ther it is necessary tocall rescue teams
and/or the police tothe accident site.
R If no vehicle occupant answers, an ambu‐
lance is sent totheve hicle immediately.
Tr iggering a manual emer gency call #
Press and hold the SOS button in theove r‐
head control panel for at least one second. The emer
gency call has been made:
R Avo ice connection is made tothe Mercedes-
Benz emer gency call center.
R A messa gewith accident data is transmitted
to the Mercedes-Benz emer gency call center.
The Mercedes-Benz emergency call center
can transmit theve hicle position data toone
of the emer gency call centers.
R Remain in theve hicle if thero ad and traf fic
conditions permit youto do so until a voice
connection is es tablished with the emer‐
ge ncy call center service pr ovider.
R Onthe basis of the call, the service pr ovider
decides whe ther it is necessary tocall res‐
cue teams and/or the police tothe accident
site.
If no connection can be made tothe emer gency
services ei ther, a cor responding message
appears inthe media displa y. #
Dial the local emer gency number on your
mobile phone. Multimedia sy
stem 305

R
frequent operation in mountainous terrain or
on poor road sur faces
R when the engine is of ten le ftidling for long
periods
R operation in particula rly dusty conditions
and/or if air-recirculation mode is frequently
used
In these or similar operating conditions, ha vethe
interior air filter, engine air cleaner, engine oil
and oil filter etc. changed more frequent ly. The
tires must be checked more frequently if the
ve hicle is operated under increased loads. Fur‐
th er information can be obtained at a qualified
specialist workshop. Battery disconnection periods
The ASS
YST PLUS se rvice inter val display
can only calculate the service due da tewhen
th e bat tery is connected. #
Notedown the service due date displa yed on
th e instrument display before disconnecting
th e battery (→ page 336). Engine compartment
Ac
tive hood (pedestrian pr otection) Operation of
the active hood (pedestrian pro‐
te ction)
In cer tain accident situations, therisk of injury
to pedestrians can be reduced bythe actuation
of the active hood. The rear area of the hood is
ra ised byappr oximately 80 mm.
Fo rth e drive tothewo rkshop, reset the trig‐
ge red active hood yourself. Af terth e active hood
has been triggered, pedestrian pr otection may
be limited.
A qu alified specialist workshop must re-ins tate
th e full functionality of the active hood.
The active hood is not available in all countries.
Re setting the active hood &
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. #
With your hand flat, push down active hood
1 inthe area around the hinges on bo th
sides (ar rows).
The hood must engage in position. #
Ifth e active hood can be raised slightly at
th ere ar in the area of the hinges, repeat the
st ep until it engages cor rectl y. Maintenance and care
337

#
Toreduce the tire pressure: press pressure
re lease button 1next topressure gauge
2. #
When the tire pressure is cor rect, unscr ew
th efilling hose from theva lve of the sealed
tire. #
Screw theva lve cap onto theva lve of the
sealed tire. #
Pull the tire sealant bottle out of the tire
inflation compressor.
The filling hose stay s on the tire sealant bot‐
tle. #
Drive tothe nearest qualified specialist work‐
shop and ha vethe tire, tire sealant bottle and
fi lling hose replaced there. Batte
ry(vehicle) Note
s onthe12 V battery &
WARNING Risk of an accident due to
wo rkcar ried out incor rectly on the bat‐
te ry
Wo rkcar ried out incor rectly on the battery
can, forex ample, lead toa short circuit. This
can lead tofunction restrictions in saf ety-re l‐
eva nt sy stems, forex ample the lighting sys‐
te m, ABS (anti-lo ckbraking sy stem) or ESP ®
(Elect ronic Stability Prog ram). The operating
saf ety of your vehicle may be restricted.
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
R when braking
R intheeve nt of ab rupt steering maneuvers
and/or when theve hicle's speed is not
adap tedto thero ad conditions #
Intheeve nt of a sho rtcircuit or a simi‐
lar incident, contact a qualified special‐
ist workshop immediately. #
Do not continue driving. #
Alw ays ha vewo rkon the battery car ried
out at a qualified specialist workshop. R
Further information on ABS (→ page156)
R Further information on ESP ®
(→ page 156)
Fo r saf etyre asons, Mercedes-Benz recommends
th at you on lyuse bat teries which ha vebeen tes‐
te d and appr oved foryo ur vehicle byMercedes-
Benz. These batteries pr ovide inc reased impact
pr otection toprev ent vehicle occupants from
suf fering acid bu rns should the battery be dam‐
aged in theev ent of an accident. 362
Breakdown assis tance