battery MERCEDES-BENZ S-CLASS CABRIOLET 2017 Owners Manual

#
Connect thet rick le ch arge rtot he soc ket1
using thea dap terc able. Consult them anu‐
fa cturer's ope rating instructions on ho wto
do so.
If a12Va dapte rcableisp rovide dwitht he
trickle charge r,it canno tbeusedtoretain bat‐
te ry charge .B atter ycharg eretention is no tpos‐
sibl eusing the12Vs ocketont heright side of th
eb oot. The 12Vsocketo nly supplies connec‐
te da ccessories wit hpower while driving.
% Even if atrick le ch arge risc onnected, the
boo tlid can be closed. Mak esuret hat the
connector forb othc onnecting cable sisout‐
sid eoft hevehicle.
Re mo vethea dap terc ablef romt he trickle
ch arge rb efor eswitching thei gnition on. St
andb ymode (extension of the star terb at‐
te ry 's period out of use) St
andb ymode function
If standb ymode is activated, thev ehicle can be
par kedf or an extende dperio doft ime without
losing po wer.
St andb ymode is characterised bythef ollowing:
R thes tarter batter yispreser ved.
R them aximum period out of use is displa yed
in them ultimedia sy stem displa y.
R functions suc hasinterior pr otection or tow-
aw ay protection ar enotavailable.
R thec onnection toonline services is inter rup‐
te d. If
th ef ollowing condition sarefulfilled, standby
mode can be activated or deactivated usin gthe
multimedia sy stem:
R thee ngine is switched off.
R thei gnition is switched on.
Exceeding thev ehicle's displa yedp eriod out of
use ma ycause incon venience, i.e .itcanno tbe
guarantee dthat thes tarter batter ywillr eliably
st ar tt he engine.
The star terb atter ymustbec hargedf irst inthe
fo llowing situations:
R thev ehicle's period out of use mus tbe
ex tended.
R the Battery charge insufficient for standby
mode messag eappear sinthe multimedia
sy stem displa y.
% Standb ymode is automaticall ydeactivated
when thei gnition is switched on. 16 2
Driving and pa rking

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Driv etot he neares tqualified specialis twork‐
shop and ha vethet yre, tyr esealant bottle
and filling hose replaced there. Batte
ry(vehicle) Note
sont he12Vb attery &
WARNING Risk of an accident du eto
wo rkcar ried out incor rectly on theb at‐
te ry
Wo rkcar ried out incor rectl yont he battery
can, fore xamp le, lead toas hor tcircuit .This
can lead tofunction restrictions in saf ety-re l‐
eva nt sy stems, e.g. thel ighting sy stem, ABS
(anti-loc kbraking sy stem) or ESP ®
(Elec‐
tronic Stabilit yProgram). The ope rating
saf etyofy ourvehicle ma yberestricted.
Yo uc ould lose cont roloft hevehicle in the
fo llowing situations:
R when braking
R inthee vent of ab rupt steering manoeu‐
vres and/or when thev ehicle's speed is
no ta dap tedtot heroad conditions #
Inthee vent of ashortcircui tora simi‐
la ri ncident, contact aqualified special‐
is tw orks hop immediately. #
Do no tcontinue driving. #
Alw aysh ave workon theb atter ycarried
out at aqualified specialis tworks hop. R
Further information on ABS (→ page164)
R Further information on ESP ®
(→ pag e165)
Fo rs afet yr easons, Mercedes-Benz recommends
th at youo nly use bat teries whic hhave been tes‐
te da nd appr ovedfor your vehicle byMercedes-
Benz.T hese batteries pr ovide inc reased impact
pr otection topreve ntvehicle occupants from
suf fering aci dburns should theb atter ybed am‐
aged in thee vent of an accident. Al
lv ehicles exceptv ehicles wit halithium-
ion battery &
WARNING Risk ofexplosion due toelec‐
tros tatic charge
Electros tatic charge can cause spa rksw hich
ma yignit ethe highly flammable gasm ixture
in theb atter y. #
Todischar geanye lectros tatic charge
th at ma yhave built up, touc ht he me tal
ve hicle body befor ehandling theb at‐
te ry. The highly
flammable gasm ixtur eisc reated
while theb atter yisc harging and during starting
assis tance. &
WARNING Danger of chemical burns
from theb atter yacid
Batter yacid is caustic. #
Avoid contact wit hthe skin, eyes or
clo thing. #
Do no tlean overthe batter y. Breakdown assis
tance 371

#
Do no tinhal ebattery gases. #
Keep children away from theb atter y. #
Immedia tely rinse batter yacido ffthor‐
oughl ywithp lenty of clean waterand
seek medica lattention immediately. All
vehicles
+ ENVIRONMENTAL
NOTEEnvironmental
dama gedue toimproper disposal of bat‐
te ries Batteries conta
in pollutants. It is
illegal todispose of them wit hthe household
ru bbish. #
Dispose of batteries in an
environmen tallyr esponsibl emanner.
Ta ke dischar gedb atteries toaq ualified specialis
tworks hop or toac ollection
poin tfor used batteries. If
yo uh ave toconnect the12v olt batter y,con‐
ta ct aq ualified specialis tworks hop.
Compl ywiths afet yn otes and take protective
measures when handling batteries. Risk of
explosion Fire, naked
flames and smokin gare
prohibi tedw hen handling theb atter y.
Av oid creating spar ks. Electrolyte
or batteryacid is cor ro‐
sive. Avoid contact wit hthe skin, eyes
or clo thing. Wear suitable pr otective
clo thing, in particular glove s, an
apron and aface mask .Immedia tely
ri nse electrolyte or acid splashes off
wit hc lean water.Consult adoctorif
necessar y. We
ar saf etyg lasses. Ke
ep children away. Obser
vethis Owner's Manual.
If yo udon otinten dtou sethev ehicle overan
ex tende dperio doft ime:
R Activat estandb ymode ,or
R Connec tthe batter ytoabatte ry charger
appr ovedbyM ercedes-Benz, or
R Consult aqualified specialis tworks hop to
disconnec tthe battery 372
Breakdown assis tance

St
arting assi stance and chargin gthe 12 V
battery Ve
hicles with alithium-ion battery #
When chargin gthe batter yand during start‐
ing assis tance, al ways use thej ump-s tart
connection point in thee ngine compartment.
* NO
TEDama getotheb atter yfromo ver‐
vo ltage When
chargin gusingab atte ry charge rw ith‐
out amaximu mcharging voltage, theb attery
or theo n-boar delectronics ma ybedamaged. #
Onlyuse batter ycharger switham axi‐
mum chargin gvoltag eof1 4.4V. *
NO
TEShor tening thes ervice lif eofthe
batter ybycharging theb atter yatl ow
te mp eratures Chargin
gthe batter yatveryl ow temp era‐
tures ma yshor tent he service lif eofthe bat‐
te ry and ha vean egativ eeffect on starting. #
Do no tcharg ethe batter yatveryl ow
te mp eratures. All
other vehicles #
When chargin gthe batter yand during start‐
ing assis tance, al ways use thej ump-s tart
connection point in thee ngine compartment.
* NO
TEDamaging theb atter ythrough
ove rvoltage When using
abatter ychar gerw ithout amaxi‐
mum chargin gvoltage, theb atter yort he
ve hicle electronics ma ybedamaged. #
Onlyuse batter ycharger switham axi‐
mum chargin gvoltag eof1 4.8V. &
WARNING Risk ofexplosion from hydro‐
ge ng as igniting
Ab atter ygene ratesh ydrogen gasd uring the
ch argin gprocess. If ther eisas hortcircuit or
spar ksstar ttof orm, ther eisad anger of the
hy drogen gasigniting. #
Mak esuret hat thep ositiv eterminal of
th ec onnected batter ydoes no tcome
int oc ontact wi thvehicle parts. #
Neverp lace me talo bject sort ools on a
batter y. #
When connectin gand disconnectin gthe
batter y,yo um usto bse rvet he descri‐
bed order fort he batter yclamps. #
When giving startin gassis tance, al ways
mak esuret hat youo nly connec tbat‐
te ry term inals wit hidentical polarity. #
During startin gassis tance, youm ust
obse rvet he described order forc on‐
necting and disconnecting thej ump
lead. #
Do no tconnect or disconnect theb at‐
te ry cla mp sw hile thee ngine is running. &
WARNING Risk ofexplosion during
ch argin gprocess and startin gassis tance
During thec harging process and starting
assis tance, theb atter ymayrelease an explo‐
siv eg as mixture. Breakdown assis
tance 373

#
Avoid fire ,n aked flames ,creating
spar ksand smoking. #
Mak esuret hat ther eiss ufficient venti‐
latio ndurin gthe chargin gprocess and
during startin gassis tance. #
Do no tlea no verab atter y. If
th ei ndicator/warning lamps in thei nstrument
clus terdon otlight up at lo wtemperatures, it is
ve ry likel ythat thed ischar gedb atter yhas fro‐
zen. &
WARNING Risk ofexplosion from afro‐
zen battery
Ad ischar gedb atter ymayfreeze at temp era‐
tures slightl yabove or belo wfreezing point.
During startin gassis tance or batter ycharg‐
ing, batter ygas ma ybereleased. #
Alw ayst hawaf roze nb atte ry out first
befor echarging it or per form ing start‐
ing assis tance. The service li
feof ab atter ythat has been
th awe dmaybe dramaticall yshor tened. It is
recommended that youh ave athawe db at‐
te ry checkedataq ualified specialis tworks hop.
All vehicles
* NO
TEDama gecaused bynumerou sor
ex tende dattem ptstos tart thee ngine Nume
rous or extende dattem ptstos tart the
engine ma ydamag ethe catalytic con verter
due tonon-combu sted fuel. #
Avoid numerous and extende dattem pts
to star tt he engine. Obser
vethef ollowing points during starting
assis tance and when chargin gthe battery:
R Onlyuse undamaged jum plead/charging
cables wit hasufficient cross-section and
insula tedt erminal clamps.
R Non- insulated parts of thet erminal clamps
mus tnotcom eintoc ontac twitho ther me tal
parts while thej um plead/charging cable is
connected totheb attery/jump-s tart connec‐
tion point. R
The jum plead/c harging cable mus tnot
come int ocontact wi thanyp arts whic hmay
mo vewhen thee ngine is running.
R Alw aysm akes uret hat neither youn orthe
batter yiselectrost aticall ychar ged.
R Keep away from fire and naked flames.
R Do no tlean overthe batter y.
R When charging: only use batter ychargers
te sted and appr ovedbyM ercedes-Benz, and
please read theb atter ychar ger's operating
instructions befor echarging theb atter y.
Obser vethea dditional following point sduring
st artin gassis tance:
R Startin gassis tance ma yonly be pr ovided
using batteries wit hanominal voltag eof
12 V.
R The vehicles mus tnottouch.
R Petrol engine: only acceptstartin gassis‐
ta nce if thee ngine and exhaus tsystema re
cold. #
Secur ethe vehicle byapplying thee lectric
parking brake. 374
Breakdown assis tance

Displa
ymessages
Possible causes/consequences and M
MSolutions
Stop vehicle Leave engine
runnin gWait Transmission
cooling *T
he transmission has overheated. Pulling away can be temp orarily impaired or no tpossible. #
Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions .Donot
continu edriving under an ycircums tances. #
Lea veengine running. #
Wait until thed ispla ymessag edisappear sbefor epulling away.
Auxiliar ybattery malfunc-
tion *T
he auxiliary batteryfor thet ransmission is no longer being charge d. #
Consult aqualified specialis tworks hop. #
Untilthen, alw aysm anually se tthe transmission toposition jbefor eyou switc hoffthee ngine. #
Befor eleaving thev ehicle, apply thee lectric parking brake.
Air conditionin gMalfunc-
tion See Owner's Manual *O
peration of thec limat econtrol sy stem is temp orarily restricted. Air flow and fresh air suppl yaresettoa utomatic
mode. #
Have thec limat econtrol sy stem checkedataq ualified specialis tworks hop. 452
Displa ymessages and warning/indicator lamps

Fu
nctio nofi nterio rprotection ............... 91
Priming/deactivating tow- aw ay pro‐
te ction ................................................... 91
To w- aw ay protection function ................90
AT TENTION ASSI ST.......................... 206, 207
Fu nctio n.............................................. 206
Setting ................................................. 207
Sy stem limitations ...............................2 06
At tention assistant
see ATTENTION ASSIST
Au dio mode
Ac tivating media mod e........................ 320
Connecting USB devices ..................... 322
Co pyright ............................................. 320
Information .......................................... 318
Inserting/removing an SD car d........... 320
Media sear ch....................................... 325
Overvie w.............................................. 321
Pa use and playbac kfunction .............. .322
Selecting atrack ................................. 322
Selecting playba ckoptions .................. 322
Tr ac kl ist. ............................................ .322
Au thorised workshop
see Qualified specialis tworks hop Au
tomatic activation
Ac tivating/deactivating ........................ 211
Au tomatic distanc econtrol
se eA ctiv eDista nce Assi stDISTRONIC
Au tomatic drivin glights .......................... 11 8
Au tomatic engine star t( EC Os tart/
sto pfunction) .......................................... 14 5
Au tomatic engine stop(EC Os tart/
sto pfunction) .......................................... 14 5
Au tomatic fron tpassen gera irbag
shu toff ........................................................ 44
Fu nctio noft he automatic front
passenger airbag shutof f....................... 44
Au tomatic fron tpassen gerfront air‐
bag deacti vatio ns ystem .................... 44,46
PA SSENGER AIR BAGi ndicator lam p..... 46
Au tomatic fron tpassen gerfront air‐
bag deacti vatio ns ystem
see Automatic front passenger front
airbag deactivation sy stem
Au tomatic lateral suppor tadjustment
Setting ................................................... 97Au
tomatic mir rorf olding function
Ac tivating/deactivating ...................... .130
Au tomatic transmission
DIRECT SELEC Tleve r........................... 14 8
Driv eprogram displa y.......................... 147
Driv eprogram s.................................... 147
DY NA MIC SELECT switc h..................... 147
Engaging driv eposit ion. ...................... 15 0
Engaging reve rseg ear ........................ .149
Kickdown ............................................. 151
Manual gearshiftin g............................. 15 0
Selecting par kposition ........................ 15 0
Shifting toneutral ................................ 14 9
St eering wheel gearshif tpaddles ........ 15 0
Tr ansmission position displa y............. .148
Tr ansmission position s....................... .148
Axle load Perm issible .......................................... 407 B
BA S(Brak eAssis tSystem) .................... .164
Battery Charging (Remo teOnline) .................... 14 2
Ke y. ...................................................... .66480
Index