Page 303 of 446

specialist workshop or toac ollection
pointf or used batteries.
Ifyo 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, open flames and smokin gare
prohibite dwhen handling theb atter y.
Av oid creating spar ks.
Electrolyte or batteryacid is cor ro‐
sive. Avoid contact wit hskin, eyes or
clo thing. Wear suitable pr otective
clo thing, in particular glove s, an
apron and aface mask .Immediate ly
ri nse electrolyte or acid splashes off
wit hc lean water.Conta ctap hysician
if necessar y.
Weareyep rotection.
Ke ep children away.
Obser vethis Opera tor's Manual.
If yo udon otintendtou sethev ehicle overan
ex tende dperio doft ime:
RActivat estandb ymode ,or
RConnec tthe batter ytoabatterycharge r
appr ovedbyM ercedes-Benz, or
RConsult aqualified specialis tworks hop to
disconnec tthe battery
St arting assist ance andchargin gthe 12V
battery
Ve hicles with alithium-ion battery
#When chargingt he 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 chargingu singabatterycharge rw ith‐
out amaximu mcharging voltage, theb attery
or theo n-boar delectronics ma ybedamaged.
#Onlyuse batter ycharger switham axi‐
mum chargingv oltageof1 4.4V.
Allother vehicles
#When chargingt he batter yand during start‐
ing assis tance, al ways use thej ump-s tart
connection point in thee ngine compartment.
Breakdown assis tance 301
Page 313 of 446

Noise or unusual handling characteristics
Whil edriving ,pay attention tovibrations, noises
and unusual handling characteristics, e.g .pulling
to one side. This ma yindicat ethat thew heels or
tires ar edamaged. If yous uspect that at irei s
defective, reduce your speedi mmediatel y.Stop
th ev ehicle as soon as possible tocheckt he
wheels and tires ford ama ge.H idden tir edam‐
ag ec ould also be causing theu nusual handling
ch aracteristics. If youf ind no sign sofdamage,
ha ve thet ires and wheels checkedataq ualified
specialis tworks hop.
Re gular checking of wheels and tires
&
WARNING Risk of accident from dam‐
aged tires
Dama gedt ires can cause tir epressur eloss.
As aresult, youc ouldlose cont rolofy our
ve hicle.
#Chec kthe tires regularly fors igns of
dama geand replace an ydamaged tires
immediatel y.
&
WARNING Risk of aquaplaning duet o
insuf ficient tir etread
Insuff icienttiret read will result in reduced
tir eg rip. The tir etread is no longer able to
dissipat ewater.
This meanst hat in heavyrain or slush the
ri sk of hydroplaning is increased, in particu‐
lar if vehicle speed is no tadap tedtos uitthe
conditions.
If th et irep ressur eist oo high or tool ow ,
tires ma yexhibit dif fere nt le vels of wear at
dif fere nt locations on thet irec onta ct sur‐
fa ce.
#Thus, yous hould regularly checkt he
tread dep thand thec ondition of thet ire
conta ct surf ace across thee ntir ew idth
of all tires.
Minimum tread dep thfor:
RSummer tires: âin (3 mm)
RM+S tires: ãin (4 mm)
#Fors afet yr easons, replace thet ires
befor ethe legally prescribed limit for
th em inimum tread dep thisreached.
Car ryout thef ollowing checks on all wheels reg‐
ularly ,atleastonce amonthorasr equired, e. g.
prior toalongj ourney or drivin goff-roa d:
RChec kthe tir epressur e(→page312).
RVisual checkofw heels and tires ford ama ge.
RChec kthe valvec aps.
The valves mus tbeprotected agains tmois‐
tur ea nd dir tbythevalvec aps appr oved
especiall yfor your vehicle byMercedes-Benz.
RVisual checkoft he tread dep thand thet ire
conta ct surf ace across thee ntir ew idth.
The minimum tread dep thfors ummer tires is
â in (3 mm) and forw inter tires ãin
(4 mm).
Wheels and tires 31
1
Page 347 of 446

#Keep children away from fuel.
If yo uoro ther people come int ocontact with
fuel, obser vethef ollowing:
#Immediatel yrins efueloffyo ur skin wit h
soap and water.
#If fuel comes int ocontact wit hyour
ey es, immediatel yrins ethem thor‐
oughl ywithc lean water.Seek medical
attentio nimmediately.
#Ifyo us wallowf uel, seek medical atten‐
tio nimmediatel y.Do no tinduce vomit‐
ing.
#Chang eimmediately out of clo thing that
has com eintoc ontact wi thfuel.
Fuel
Information on fuel grades forv ehicles with
ag asoline engine
Observ ethe no tesono perating fluids
(
→pag e344). *
NO
TEDama gecaused bythew rong fuel
Even small amounts of thew rong fuel could
re sult in damag etothe fuel sy stem, the
engine and thee mission control sy stem.
#Onl yrefuel wit hlow -sulfur premium
grade fuel.
Thi sfuel ma ycontain up to10 %e thanol.
Yo ur vehicle is suitable foru se wit hE10 fuel.
Do no trefuel using:
RDiesel
RE15, E85, E100
RGasoline containing me thano l(M15, M30,
M85 ,M100)
RGasolinew itha dditives con tainin gm etal
If yo ua ccidenta llyrefuel wit hthe wrong fuel:
#Do no tswitc hthe ignition on.
#Consult aqualified specialis tworks hop.
Ifth ea vailable fuel is no tsufficiently lo winsul‐
fur ,this can produce unpleasant odors. Onl
yrefuel wit hfuel ,that has at leas tthe octane
number specified in thei nformation table in the
fuel filler flap (
→pag e138). This ma yreduce
engine output and increase fuel consum ption.
If yo uw ant maxi mume ngine output: only
re fuel wit hunleade dpremiu mg rade gasoline
wit hano ctane number of at leas t95RON.
Ne verrefuel using gasoline wit halowerRON.
* NO
TEPrematur ewear caused byunlea‐
ded regular gasoline
Unleadedr egulargasoline can cause the
engine towe ar mor equickl yand impair lon‐
ge vity and per form ance.
If unleaded premium grade gasoline is
una vailable and youh ave torefuel using
unleade dregular gasoline:
#Onl yfillthef uel tank tohalf full with
unleaded regular gasoline and refill as
soon as possible wit hunleaded pre‐
mium grade gasoline.
#Do no tdrive atthem aximum speed.
Tech nica ldata 34
5
Page 351 of 446

*NO
TEDama getothee xterio rlighting
due tounsuit able wind shieldwasher fluid
Uns uitable wind shieldwasher fluid ma ydam‐
ag et he plastic sur face of thee xterio rlight‐
ing.
#Onl yuse windshield washer fluid that is
also suitable forp last ic sur faces, e.g.
MB SummerFi torMBWinterFit.
*NO
TEBlocked spr aynozzles caused by
mixing windshieldw asherfluids
#Do notmixMB SummerFit and MB Win‐
te rFit wit hother windshield washer flu‐
ids.
Do no tuse distilled or de-ionize dwater as thef ill
le ve ls ensor ma ybetriggered er roneously.
Re commended windshield washer fluid:
RAbo vefreezing point :e.g. MB SummerFit
RBelo wfreezing point :e.g. MB WinterFit
Fo rthe cor rect mixing ratio refertot he informa‐
tion on thea ntif reeze reser voir. Mix
thew asherf luid wit hthe windshield washer
fl uid all year round.
Note sonr efrigerants
Observethen otes on operating fluids
(→pag e344).
* NO
TEDama gedue toincor rect refriger‐
ant
If an on-appr ovedrefrigerant is used, thec li‐
mat econtrol sy stem ma ybedamaged.
#Onlyusether efrigerant R‑134a
* NO
TEDama getothec limat econtrol
sy stem due toincor rect refrigerant com‐
pressor oil
#Onl yuserefrigerant compressor oil that
has been appr ovedbyM ercedes-Benz.
#Do notmixthea ppr ove drefrigerant
compresso roil wit had iffe re nt refriger‐
ant compressor oil.
Wo rkon thec limat econtrol sy stem ma yonlyb e
car ried out byaq ualified specialis tworks hop. All
applicable regulations, as well as SAEs tandard
J639, mus tbeadhered to.
:Wa rning symbols
;Re frigerant filling capacity
=Applicable standards
?PA Go il par tnumber
AType of refrigerant
Wa rning symbols :advise youa bout:
RPossible dangers
RHaving service workcar ried out at aqualified
specialis tworks hop
Tech nica ldata 34
9