ABS MERCEDES-BENZ SL CLASS 2020 User Guide
[x] Cancel search | Manufacturer: MERCEDES-BENZ, Model Year: 2020, Model line: SL CLASS, Model: MERCEDES-BENZ SL CLASS 2020Pages: 334, PDF Size: 17.43 MB
Page 67 of 334

Ada
ptive Bra keAssi stpro vides bra king assis-
tance inha zard oussitua tions atspe edsab ove
4 mph (7km/h ).It us es rada rsens ortech nol-
ogy toasses sthe trafficsitua tion.
Up toaspe edofappro xima tely155 mph
(25 0km/h ),Ada ptive Bra keAssi stiscap able
of rea cting tomovi ngobjects thatha ve
al rea dybeen detecte das such atleas tonce
ove rthe perio dof obser vatio n.
Up toaspe edofappro xima tely44 mph
(70 km/h ),Ada ptive Bra keAssi strea cts to
sta tionar yob sta cles.
If Ada ptive Bra keAssi stdema nds particu larly
hi gh bra king force,pre venta tivepasse nge r
pro tecti onmea sures (PRE-SAFE ®
)ar eacti va-
ted simu ltaneo usly(Y page 55).
X Kee pthe brakepedalde pre sse dunti lthe
eme rgency braking situa tionis ove r.
ABS prevents thewheelsfrom locking .
The brakes willwo rknorma lly ag ain if:
R yourel ease the brakepedal
R ther eis no longe rany dange rof acol lisi on
R no obsta cle isde tecte din front ofyour veh i-
cle
Ada ptive Bra keAssi stisthen deacti vated .
Impo rtant safetynotes G
WA
RNING
Ada ptive Bra keAssi stcanno tal wa yscle arly
id enti fyob jects andcomp lextraf ficsitua -
tio ns.
In such cas es, Ada ptive Bra keAssi stcan:
R inte rveneunne cessarily
R not intervene
The reisaris kof an acci dent.
Alw ayspa ycar efulatte ntionto the traffic
si tua tionand berea dytobra ke. Termi nate
the interventio nin anon-cri ticaldri ving sit-
ua tio n. G
WA
RNING
Ada ptive Bra keAssi stdo es not react:
R to peop leor ani ma ls
R to onco ming vehicles
R to cros sing traf fic
R wh en corne ring As
ares ult, the Adaptive Bra keAssi stma y
not interveneinallcriti calcond itions. There
is aris kof an acci dent.
Alw ayspa ycar efulatte ntionto the traffic
si tua tionand berea dytobra ke.
Alw aysad aptyo ur spe edtosuitthe prevail-
ing roadand trafficcond itions.
Due tothe natu reofthe system ,pa rticu larly
comp licate dbu tnon-cri ticaldri ving cond itions
ma yal so cau seAda ptive Bra keAssi stto inte r-
vene .
If Ada ptive Bra keAssi stisnot availa bl e du eto
a ma lfunctio nin the rada rsens orsystem ,the
bra kesystem remains availa bl e wi th fullbra ke
bo osti ngeffe ctand BAS. Ada
ptiv ebrake lights
i Obs
ervethe "Impo rtant safety notes "sec -
tio n(Y page 60).
If yo ubra kesha rplyfrom aspe edofmore than
50 km/h orifbra king isas sisted byBAS or
Bra keAssi stwith Cross -Tra fficAssi st,the
bra kelamps flash rapidly. In thi swa y,traf fic
trav eling behind youis wa rned inan eve n
more noticeable ma nner.
If yo ubra kesha rplyfrom aspe edofmore than
70 km/h toasta ndsti ll, the hazard warning
la mps areacti vated automa tically. Ifthe
bra kes areap plied ag ain, the brakelamps light
up conti nuously.The hazard warning lamps
sw itch offautoma tically if yo utrav elfas ter
tha n10 km/h .Yo ucan also switch offthe
ha zard warning lamps using the hazard warn-
ing button (Ypage 111 ). ES
P®
(E lectro nicStab ility Pro gram)
Ge neral notes i
Obs
ervethe "Impo rtant safety notes "sec -
tio n(Y page 60) .
ESP ®
moni torsdriving stability and traction,
i.e .po we rtrans mission betwe enthe tiresand
the roadsu rfa ce.
If ESP ®
de tects thatthe vehicleis de via ting
from thedirecti ondesired bythe driver ,one or
more wheelsarebra ked tosta bilize the vehi-
cle .The engineoutpu tis also mod ified tokee p Dri
ving safe tysys tems
65Safety Z
Page 176 of 334

X
Make surethattheengine isrunning orthat
it has been switched offbythe ECO start/
stop funct ion.
X Ifindicator lamp0044 0044
islit: press button 0043.
Indicator lamp0044goes out.Comfortable
suspension tuningisselected.
The AMG Suspension SystemCOMFORT AMG
Suspension SystemCOMFORT
message appearsinthe multifunction dis-
play .
Activating thedriving dynamicsdis-
play inthe COMAND display Using
thedriving dynamics displayinthe mul-
timedia systemdisplay,you can seethedrive
program youselected aswell asadditional
information onthe vehicle's operating status.
X Switch onCOMAND. Furtherinformation
can befound inthe Digital Operator's Man-
ual.
The following information onthe vehicle's
operating statusisdisplay edinthe driving
dynamics display:
R Drive program selected (Ypage 132)
R Acc elerator pedalposition shownin%
R Brake pedalposition shownin%
R Steerin gangle
R Vehicle leveldisplay (Ypage 172)
R Act ivity ofthe ABC spring struts
R Level settingsanimation
R G-FORCE crosstodisplay longitudinal and
lateral acceleration (onlyavaila bleinSport,
Sport PlusandRACE driveprograms)
R Overrun modeanimation Parking
AssistPARKTRONIC
Import antsafety notes Parking
AssistPARKTRONIC isan electronic
parking aidwith ultrasound. Itmonitors the
area around yourvehicle usingsixsensors in
the front bumper andsixsensors inthe rear
bumper. ParkingAssistPARKTRONIC visually
and audiblyindicates thedistance between
your vehicle andanobject .
Parking AssistPARKTRONIC isonly anaid. Itis
not areplacement foryour attent iontoyour
immediate surroundings. Youarealwa ys
responsible forsafe maneuvering, parkingandexiting
aparking space.Makesurethatthere
are nopersons, animalsorobject sin the
maneuvering areawhen youaremaneuvering
or parking.
! When
parking, payparticular attentionto
object sabove orbelow thesensors, suchas
flower potsortrailer drawbars.
PARKTRONIC doesnotdetect suchobject s
when theyareinthe immediate vicinityof
the vehicle. Youcould damage thevehicle
or the object s.
The sensors maynotdetect snowandother
object sthat absorb ultrasonic waves.
Ultrasonic sourcessuchasan automatic car
wash, thecompressed-air brakesonatruck
or apneumatic drillcould cause
PARKTRONIC tomalfunction.
PARKTRONIC maynotfunct ioncorrect lyon
uneven terrain.
Parking AssistPARKTRONIC isactivated auto-
matically whenyou:
R switch onthe ignition
R shift thetransmission toposition 005B,005Eor
005C
R release theelectric parking brake
Parking AssistPARKTRONIC isdeactivated at
speeds above11mph (18km/h) .It is reacti-
vated atlower speeds.
Range ofthe sensors General
notes
Parking AssistPARKTRONIC doesnottake into
account obstacles located:
R below thedetection range,suchaspersons,
animals orobject s
R above thedetection range,e.g.overhanging
loads, tailsections orloading rampsof
truck s 174
Driving
systemsDriving andparking
Page 193 of 334

If
you leaveyou rlane, under certain circum-
stances thevehicle willbrake brieflyon one
side. Thisismeant toassis tyou inbringing the
vehicle backtothe origina llane.
If alane-correcting brakeapplication occurs,
displ ay0043 appe arsinthe multifu nctiondis-
pla y.
A lane-correcting brakeapplication canbe
made afterdriving overalane marking recog-
nized asbeing solidorbroken. Beforethis,a
warning musthavebeen issuedbymeans ofa
vibratio nthrough thesteering wheel.In addi -
tion, alane with lanemarkings onboth sides
must havebeen detected.
In the case ofabroken lanemarking being
detected, alane-correcting brakeapplication
can only bemade ifavehicle hasbeen detec-
ted inthe adjacent lane.Thefollow ingvehicle s
can have aninflue nceonbrake application:
oncoming traffic,vehiclesthat areovertaking
and vehicle sthat aredriving paralleltoyou r
vehicle .
i A
further lane-correcting brakeapplication
can only occur afteryourvehicle has
returned tothe origina llane.
No lane-correcting brakeapplication occursif:
R you clearl yand actively steer,brakeor
accelera te
R you cutthe corner onasharp bend
R you have switched onthe turn signal
R adriving safetysystem intervenes, e.g.
ESP ®
,PRE-SAFE ®
Brake orActive BlindSpot
Assist
R you have adoptedasporty driving stylewith
high cornering speedsor high rates ofaccel-
eration
R ESP ®
is switched off
R the transmission isnot inpositio n005B R
an obstacle hasbeen detected inthe lane in
which youaredriving
R when aloss oftire pressu reor adefective
tire has been detected anddispl ayed
There isapossib ility that theActive Lane
Keepi ngAssist couldmisjudge thegiven traffic
situa tion. Aninapp ropria tebrake application
may beinterrupted atany time ifyou :
R steer slightlyinthe opposi tedirection
R switch onthe turn signal
R clearl ybrake oraccelera te
A lane-correcting brakeapplication isinterrup-
ted automa ticallyif:
R adriving safetysystem intervenes, e.g.
ESP ®
,PRE-SAFE ®
Brake orActive BlindSpot
Assist
R lane markings arenolonger detected
Swi tching onActiv eLane Keeping Assist
X Switch onActive LaneKeepi ngAssist using
the on-board computer; todo so, select
Standard Standard
orAdaptive Adaptive
(Ypage 201).
If you drive atspeed sabove 40mph
(60 km/h )and lane markings aredetected,
the lines inthe assis tance graphi cdispl ay
are shown ingreen (Ypage 200). Active
Lane Keepi ngAssist isready foruse.
When Standard Standard
isselected,
No warning vibrationoccurs if:
R you switch onthe turn signal s.In this
event, thewarnings aresupp ressed fora
certain periodoftime.
R adriving safetysystem intervenes, such
as ABS, BASorESP ®
.
When Adaptive Adaptive
isselected,
No warning vibrationoccurs if:
R you switch onthe turn signal s.In this
event, thewarnings aresupp ressed fora
certain periodoftime.
R adriving safetysystem intervenes, e.g.
ABS, BASorESP ®
.
R you accelera tehard, e.g.kickdown.
R you brake hard.
R you steer actively ,e.g. swerve toavoid an
obstacle orchange lanesquickly.
R you cutthe corner onasharp bend. Drivi
ngsystems
191Drivingand parking Z
Page 211 of 334

Safety
systems Display
messages Possible
causes/co nsequences and0050 0050
Solutions 002500E5
Currently Unavaila‐ Currently
Unavaila‐
ble SeeOperator's ble
SeeOperator's
Manual Manual ABS
(Anti- lockBraking System) andESP®
(Electronic StabilityPro-
gram) aretemporarily notavail able.
Other driving systems anddriving safetysystems mayalsomalfunc-
tion.
In addition, the00E5, 00BBand0025 warning lampslightupinthe
instrument cluster.
Possible causesare:
R Self-diagnosis isnot yetcomplete
R The on-board voltagemaybeinsufficient
G WARNING
The brake system continues tofunction normally, butwithout the
functions listedabove. Thewheels couldtherefore lockifyou brake
hard, forexample.
The steerabili tyand braking characteristics maybeseverely affec-
ted. Thebraking distance inan emergency brakingsituation can
increase.
If ESP ®
is not operational, ESP®
is unable tostabilize thevehicle.
There isan increased riskofskidding andanaccident.
X Carefu llydrive asuitabl edistance, makingslightsteering move-
ments ataspeed above12mph (20km/h ).
If the displa ymessage disappears,thefunctions mentioned
above areavail able again.
If the multifunction displaystill shows thedispla ymessage:
X Drive oncarefully .
X Visit aqual ified speciali stworkshop immediately . 002500E5
Inoperative See Inoperative
See
Operator's Manual Operator's
Manual ABS
andESP®
are malfunctioning.
Other driving systems anddriving safetysystems mayalsomalfunc-
tion.
The 0027 (USAonly)or004D (Canad aonly), 00E5, 00BBand0025
warning lampsinthe instrument clusteralsolight up.
G WARNING
The brake system continues tofunction normally, butwithout the
functions listedabove. Thewheels couldtherefore lockifyou brake
hard, forexample.
The steerabili tyand braking characteristics maybeseverely affec-
ted. Thebraking distance inan emergency brakingsituation can
increase.
If ESP ®
is not operational, ESP®
is unable tostabilize thevehicle.
There isan increased riskofskidding andanaccident.
X Drive oncarefully .
X Visit aqual ified speciali stworkshop immediately . Dis
play messages
209On-boardcomp uter anddisplays Z
Page 241 of 334

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 0025
0051
The yellow ABS warning lamp islit whi lethe engine isrunning.
ABS (anti-lo ckbraki ngsystem) ismalfu nctioning.
If there isan add itiona lwar ning tone, theEBD (electronic brakeforcedistribu-
tion) ismalfu nctioning.
Other drivingsystems anddrivingsafety systems mayalsomalfu nction.
G WARNING
The brake system continues tofunction normally,but witho utthe functions lis-
ted above.The front andrear whee lscoul dtherefore lockifyou perform afull
brake application, forexampl e.
The steerab ility and braki ngchara cteristics maybesevere lyaffected. Thebrak-
ing dista nceinan emerge ncybraki ngsitua tioncanincreas e.
If ESP ®
is not opera tional,ESP ®
is unab leto stabi lizethevehicl e.
There isan increas edrisk ofskiddi ngand anaccide nt.
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Drive oncarefu lly.
X Visi ta qua lified speci alist worksho pimmed iately.
If the ABS control unitisdefective ,there isals oapossi bility that other systems ,
such asthe naviga tionsystem orthe automatic transmissi on,willnot beava ila-
ble . 0027004D
00E500BB
0025 0051
0027 (USAonly),004D (Canada only):the red brake warninglamp andthe
yel low ESP®
,ESP ®
OFF andABS warni nglamp sare litwhi lethe engine isrun-
ning.
ABS andESP®
are malfu nctioning.
Other drivingsystems anddrivingsafety systems mayalsomalfu nction.
G WARNING
The brake system continues tofunction normally,but witho utthe functions lis-
ted above.The front andrear whee lscoul dtherefore lockifyou perform afull
brake application, forexampl e.
The steerab ility and braki ngchara cteristics maybesevere lyaffected. Thebrak-
ing dista nceinan emerge ncybraki ngsitua tioncanincreas e.
If ESP ®
is not opera tional,ESP ®
is unab leto stabi lizethevehicl e.
There isan increas edrisk ofskiddi ngand anaccide nt.
X Observe theadditiona ldisp laymessa gesinthe multi function display.
X Drive oncarefu lly.
X Visi ta qua lified speci alist worksho pimmed iately. Indi
cator andwarnin glamps
239On-boardcomput erand displays Z
Page 255 of 334

Eyegla
ssescomp artm ent X
To open :pres smar king0043.
Eyeg lasse scom partmen t0044 open s.
Mak esure that theeyeglas sescom partmen tis
always closed while theveh icle isin mot ion.
St owage compartm ent inthecent er
console X
To open :pres sth etrim elem enton
cov er0043.
X To rem ove theru bber mat:gras pth etab s
on therubbe rmat andpulluptorem ove.
X To inser tth eru bber mat:pres sth erubbe r
mat intoth ehousi ng.
X To close: swingcov er0043 down wards untilit
eng ages.
You canremove therubbe rmat from thest ow-
age com partmen tto cle an it.Clean withclear,
luke warm wateron ly.
De pen dingon theveh icle'sequipm ent,th ere
is acup holde rand anasht rayinthecen ter
con sole stowage compartmen t. Um
brella hold er Ex
ample :veh icle side, left
Ther eare umbr ellaholde rsinthedoor stow-
age com partmen tson bot hsides oftheveh i-
cle .On ecom pact umbr ellacan bestowed per
side.
X To rem ove: grabstrap 0044and pullumbr ella
holde r0043 out ofthest owage compartmen t
in thedire ction ofthearr ow.
X To inser t:push umbrellaholde r0043 inthe
oppo sitedire ction tothearr ow, intoth e
st owage compartmen tunt ilit eng ages.
You canremove theumbr ellaholde rto cle an
it. Clean withclear, luke warm wateron ly.
St owage compartm ent intherea r
pa ssenger compartm ent cent ercon-
sole X
To open :slide cover0043 inthedire ction of
th earr ow.
On veh iclesequippe dwith abot tleholde r,the
bot tleholde ris loc ate din thest owage com-
part men t(Y page 256). St
owage areas
253Stowage andfeatures Z
Page 278 of 334

X
Use tarremover toremove tarstains.
X Use silicone remover toremove wax.
If water nolonger forms"beads"onthe paint
surface, usethepaint careproducts recom-
mended andapproved byMercedes-Benz .This
is the case approximately everythreetofive
months, depending onthe climate conditions
and thecare product used.
If dirt has penetrated thepaint surface orif
the paint hasbecome dull,the paint cleaner
recommended andapproved byMercedes-
Benz should beused.
Do not use these careproducts inthe sun or
on the hood while thehood ishot.
X Use asuitabl etouch-up stick,e.g.MB
Touch-Up Stick,to repair slightdamage to
the paintwork quicklyandprovisionall y.
Matt efinish care !
Never
polish thevehicle orthe light alloy
wheels. Polishingcauses thefinish toshine.
! The
followi ngcan give thepaint aglossy
appea rance andthus reduce thematt
effect:
R Rubb inghard withunsuitabl eagents
R Washing thevehicle indirect sunlight
! Never
usepaint cleaner, buffingorpolish-
ing products, orgloss preserver, e.g.wax,
for the purpose ofpaintwork care.These
products areonly suitabl efor high-gloss sur-
faces. Theiruseonvehicles withmatte
paintwork leadstoconsiderable surface
damage or,more specificall y,to shiny, spot-
ted areas.
Alway shave paintwork repairscarried outat
a qual ified speciali stworkshop.
! Only
useautomatic carwashes whichcor-
respond tothe latest technological stand-
ards. Never usewash programs whichfinish
by treating thevehicle withhotwax.
Observe thesenotes ifyour vehicle hasaclear
matte finish. Thiswillhelp youtoavoid dam-
age tothe paintwork duetoincorrect treat-
ment.
These notesalsoapply tolight alloy wheels
with aclear matte finish.
i Use
only insect remover andcarshampoo
from therange ofrecommended and
approved Mercedes-Benz careproducts. Cle
aning thedecorative film !
The
followi ngmay have aneffect onthe
service lifeand color ofdecorative film:
R sunlight
R temperature, e.g.hot-air fan
R weather conditions
R stone impacts anddirt
R chemical cleaningagents
R greasy substances
! Do
not use anytypes ofpolish onmatt
decorative film.Polishi ngsurfaces covered
with filmgives itashiny finish.
! Do
not treat mattorstructured decorative
film with wax. Thismay lead tomarks that
cannot beremoved.
Observe thenotes inthe section onthe care
and treatment ofmatte paintwork
(Y page 276); these notes alsoapply tomatte
decorative film.
To clean, useplenty ofwater andamild clean-
ing agent without additional orabrasi veprod-
ucts, e.g.acar shampoo approved by
Mercedes-Benz .
X Dry vehicles coveredwithfilmusing asoft,
absorbent clothafterevery wash.
Water marks couldotherwise form.
Scratc hes,corrosive deposits,areasaffected
by corrosion anddamage causedbyinade-
quate carecannot alwaysbe completely
repaired. Insuch cases, visitaqual ified spe-
cialist workshop.
X Remove dirtimmediately ,where possible ,
while avoidi ngrubbing toohard.
The decorative filmmay beirreparab lydam-
aged.
X Soak insect remains withinsect remover
and rinse offthe treated areasafterwards.
X Soak birddroppings withwater andrinse off
the treated areasafterwards.
The cleaning product, PaintCleaner, which has
been approved andrecommended by
Mercedes-Benz ,should beused when dirthas
penetrated thedecorative filmsurface orthe
decorative filmhasbecome dull.
The manufacturer canprovide youwith infor-
mation onspecial careandcleaning products.
Laminated surfacesmayexhibit optical differ-
ences tosurfaces whichwerenotprotected by 276
CareMaintenance
andcare
Page 287 of 334

H
Envir
onme ntalnote
Hav eth eused tiresealan tbot tledispo sed
of prof essio nally, e.g.at aqualifie dspec ial-
ist work shop.
If atir epres sure of18 0kPa (1.8 bar/26 psi)
ha sbe en achiev ed after ama xim um perio dof
ten minute s:
X Swi tch offthe tire inflatio ncomp ressor .
X Unsc rewthefillerhos efro mthe valve ofthe
fa ulty tire .
X Stow thetire sealant bottle and thetire
inf latio ncomp ressor .
X Pul law ayimme diately.
X Stop after drivin gfor appro xim atelyten
mi nute sand checkthe tire pressu rewith
the tire inflatio ncomp ressor .
The tirepressu remu stnow beatleas t
130 kPa(1.3 bar/19 psi). G
WA
RNING
If the required tire pressu reisnot reache d
af ter drivin gfor asho rtpe rio d,the tire istoo
ba dlyda ma ged. The tiresealant cann ot
rep airthe tire inthi sins tance .Dam aged
tire sand atire pressu retha tis too low can
si gni ficantl yim pairthe vehicle'sbra king and
dri vin gcha racteri stics. The reisaris kof
acc ident.
Do not conti nuedrivin g.Co ntact aqu alifi ed
sp eci alistwo rksh op.
i In
cas essuch asthe one menti oned
ab ove ,conta ctan author izedMe rced es-
Benz Center. Orcall1-800 -FOR-MER Cedes
(i n the USA) or1-800 -387-0 100(in Ca nad a).
X Co rre ctthe tire pressu reifit is sti llat leas t
130 kPa(1.3 bar/19 psi). See theTire and
Loa ding Info rma tionplaca rdon the driver 's
si de B-pi llar or the tire pressu retab lein the
fu el fillerfla pfor values .
X To incre ase thetire pres sure :sw itch on
the tire inflatio ncomp ressor . X
To redu cethe tire pres sure :de pre sspre s-
su re release button 006Dnext topre ssu re
ga ge 006E.
X Wh enthe tire pressu reiscorr ect, unscrew
the fillerhos efro mthe valve ofthe sealed
tire .
X Scre wthe valve cap onto thetire valve of
the sealed tire .
X Pu llthe tire sealant bottle outof the tire
inf latio ncomp ressor .
The fillerhos erem ains atta chedto the tire
se alant bottle .
X Driv eto the nearestqu alifi ed speci alist
wo rksh opand have the tire change dthe re.
X Hav ethe tire sealant bottle replaced as
soo nas possi ble at aqu alifi ed speci alist
wo rksh op.
X Hav ethe tire sealant bottle replaced every
fou rye arsat aqu alifi ed speci alistwo rksh op. Batte
ry(veh icle ) Impo
rtant safety notes
Spe cialtoo lsand expertknow ledg ear e
req uired when working on the battery ,e.g .
rem ovaland installatio n.Yo usho uld the refore
ha ve allwo rkinv olvin gthe battery carriedou t
at aqu alifi ed speci alistwo rksh op. G
WA
RNING
Wo rkcar riedou tinco rrectly onthe battery
can lead ,for exa mpl e,to asho rtcir cui tand
thu sda ma gethe vehicleelectro nics.Thi s
can lead tofunctio nres tric tions applying to
sa fety -releva ntsyste ms, e.g.the lighti ng
sy ste m, the ABS (anti-l ock braking syste m)
or the ESP ®
(El ectro nicStab ility Pro gram). Battery
(veh icle )
285Break downass istanc e
Z
Page 288 of 334

The
operating safetyofyour vehicle maybe
restr icted.
You could losecontrolofthe vehicle, for
example:
R when braking
R in the event ofabrupt steeringmaneuvers
and/or whenthevehicle's speedisnot
adapted tothe road condit ions
There isarisk ofan accident .
In the event ofashort circuit orasimilar
incident ,cont actaqualified specialist work-
shop immediately. Donot drive anyfurther.
You should haveallwork involving thebat-
tery carried outataqualified specialist
workshop.
For further informationabout ABSandESP®
,
see (Ypage 60)and (Ypage 65). G
WARNIN
G
Elect rostat icbuild-up canlead tothe crea-
tion ofsparks, whichcouldignite thehighly
explosive gasesofabattery. Thereisarisk
of an explosion.
Before handling thebattery, touchthevehi-
cle body toremove anyexistin gelectrost atic
build-up.
The highly flammable gasmixt ureforms when
charging thebattery aswell aswhen jump-
start ing.
Always makesurethatneither younorthebat-
tery iselectrost aticallycharged. Abuild-up of
electrost aticcharge canbecaused, forexam-
ple:
R by wearing clothingmade fromsynthet ic
fibers
R due tofrict ionbetween clothingand seats
R ifyou push orpull thebattery acrossthe
carpet orother synthet icmaterials
R ifyou wipe thebattery withacloth G
WARNIN
G
During thecharging process,abattery pro-
duces hydrogen gas.Ifashort circuit occurs
or sparks arecreated, thehydrogen gascan
ignite. Thereisarisk ofan explosion. R
Make surethatthepositive terminalof a
conn ected battery doesnotcome into
cont actwith vehicle parts.
R Never placemetal object sor tools ona
battery.
R Itis important thatyouobserve the
described orderofthe battery terminals
when connectin gand disconn ectingabat-
tery.
R When jump-st arting,makesurethatthe
battery poleswithidentical polarityare
conn ected.
R Itis particularly importanttoobserve the
described orderwhen connectin gand dis-
conn ectin gthe jumper cables.
R Never connectordisconn ectthe battery
termin alswhile theengine isrunnin g. G
WARNIN
G
Batt eryacid iscaustic. Thereisarisk of
injury.
Avoid contactwith skin, eyesorclothin g.Do
not inhale anybattery gases.Donot lean
over thebattery. Keepchildren awayfrom
batteries. Washawaybattery acidimmedi-
ately withplenty ofclean water andseek
medical attention. H
Environmental
note Batt
eries containpollutants.
It is illegal todispose of
them withthehousehold
rubbish. Theymust becol-
lected separately anddis-
posed ofinan environ men-
tally responsible recycling
system. Dispose
ofbatteries inan
environ mentallyresponsible
manner .Take discharged
batteries toaqualified spe-
cialist workshop ortoacol-
lection pointforused bat-
teries. 286
Bat
tery (vehicl e)Breakdown assistance
Page 289 of 334

!
Have
thebattery regularlychecked ata
qual ified speciali stworkshop.
Comply withtheservice intervals inthe
Maintenance Booklet,orcont actaqual ified
speciali stworkshop formore information.
! Alway
shave work onbatteries carriedout
at aqual ified speciali stworkshop.
Should it,inexceptional circumstances, be
absolu telynecessary todisconnect the12-
volt battery yourself,please observe thefol-
lowing:
R Secure thevehicle toprevent itfrom roll-
ing awa y.
R Switch offthe ignition.
R Disconn ectthe negative terminalfirstand
then thepositive terminal.
After thework hasbeen done, install the
battery andreplace thecover ofthe positive
terminal clampfirmly.
Comply withsafety precautions andtake pro-
tect ivemeasures whenhandling batteries. Risk
ofexplosion. Fire,
open flames andsmoking are
prohibited whenhandling thebat-
tery. Avoid creating sparks. Battery
acidiscaustic. Avoidcon-
tact with skin, eyesorclothing.
Wear suitabl eprotective clothing,
especial lygloves, apronandface-
guard.
Rinse anyacid spills immediately
with clear water. Contact aphysi-
cian ifnecessary. Wear
eyeprotection. Keep
children away. Observe
thisOperator's Manual.
For safety reasons, Mercedes-Benz recom-
mends thatyouonly usebatteries whichhave been
tested andapproved foryour vehicle by
Mercedes-Benz .These batteries provide
increased impactprotection toprevent vehicle
occupants fromsuffering acidburns should
the battery bedamage din the event ofan
accident.
In order forthe battery toachieve themaxi-
mum possible servicelife,itmust alwaysbe
sufficiently charged.
Like other batteries, thevehicle battery may
discharge overtime ifyou donot use thevehi-
cle. Inthis case, havethebattery disconnec-
ted ataqual ified speciali stworkshop. Youcan
also charge thebattery withacharger recom-
mended byMercedes-Benz .Contact aqual i-
fied speciali stworkshop forfurther informa-
tion.
Have thebattery condition ofcharge checked
more frequently ifyou usethevehicle mainly
for short tripsorifyou leave itstanding idle
for alengthy period.Consult aqual ified spe-
cialist workshop ifyou wish toleave yourvehi-
cle parked foralong period oftime.
Remove theSmartKey ifyou park thevehicle
and donot require anyelectrical consumers.
The vehicle willthen usevery little energy,
thus conserving batterypower.
After aninterruption tothe power supply,e.g.
due toadischarged battery,youmust reset
the clock (seetheDigital Operator's Manual). Charging
thebattery G
WARNING
During charging andjump-startin g,explosive
gases canescape fromthebattery. Thereis
a risk ofan explosion.
Particularl yavoid fire,open flames, creating
sparks andsmoking. Ensurethereissuffi-
cient ventilation whilecharging andjump-
starting. Donot lean over abattery. G
WARNING
Battery acidiscaustic. Thereisarisk of
injury.
Avoid contactwith skin, eyesorclothing. Do
not inhale anybattery gases.Donot lean
over thebattery. Keepchildren awayfrom
batteries. Washawaybattery acidimmedi- Bat
tery (vehic le)
287Breakdown assistance
Z