
RYouh avea dop tedas porty driving stylew ith
high cornering speeds or high ratesofa ccel‐
eration.
RESP®is deactivated.
RWhen driving wit hatrailer, thee lectrical con‐
nection tothet railer has been cor rectly
es tablished.
RIfal oss of tir epressur eorad efectivetire
has been de tected and displ ayed.
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
RTher eisp oor visibility, e.g. duetoinsuf ficient
illumination of ther oad, highly variable shade
conditions, or due torain, sno w,fogorh eavy
spr ay.
RTher eisg lare, e.g. from thes un, reflections
or oncoming tra ffic.
RTher eisd irtont he windshield in thev icinity
of them ultifunction camer aorthe camer ais
fo gged up, damaged or obscured.
RNo or se veral, unclear lane markings are
presentf or one lane, e.g. in aconstruction
area.
RThe lane markings ar eworn, dar korcovered.
RThe dis tance tothev ehicle in front is too
small and thel ane markings thus canno tbe
de tected.
RThe lane markings chang equickl y,e.g. lanes
branc hoff,c ross one ano ther or mer ge.
RThe road is very nar rowa nd winding.
Ve hicles with Drivin gAssistanc ePacka ge or
Driving Assistance Plus Package: ActiveL ane
Ke eping Assis tuses radar sensor stomonitor
se verala reas around thev ehicle. If ther adar
senso rs
inther ear bumper ar edirt
y or covered
wit hs now, thes ystemm aybe impaired or may
no tfunction .Ifano bstacle in thel ane in which
yo ua redrivin ghas been de tected, no lane-cor‐
re cting brak eappli cation occurs .
Ac tivatin gActive Lan eKeeping Assist
&
WARNING Risk of accident despite
wa rning from ActiveL aneK eeping Assist
Al ane-cor recting brak eappli cation cannot
al wa ys bring thev ehicle bac kintot he origi‐
nal lane.
#Alw ayss teer,b rake or accelera teyour‐
self,e speciall yifActiveLaneK eeping
Assis twarns youorm akesalane-cor‐
re cting brak eappli cation.
&
WARNING Risk of accident despite inter‐
ve ntio nofA ctiveLaneK eeping Assist
Ac tiveL aneK eeping Assis tdoes no tdetect
traf ficc onditions or road users. In very rare
cases, thes ystem ma ymakeani nappropri‐
at eb rake application, e.g. af teri ntentional ly
driving overas olidl ane marking.
The brak eapplication can be inter rupte dat
an yt ime if yous teer slightl yinthe opposite
direction.
#Alw aysm akes uret hat ther eiss uffi‐
cient dist ancetot he side foro ther traf‐
fi coro bstacles.
&
WARNING Risk of accident despite Lane
Ke eping Assist
Lane Keeping Assis tcannot alwaysc learly
de tect lane markings.
19 2
Driving and pa rking

&WARNING Risk of injury from usingthe
windshield wiper swhile thee ngine hood
is open
When thee ngine hood is open and thew ind‐
shield wiper saresetinm otion ,you can be
trappe dbythe wiper linkage.
#Alw ayss witc hoffthew indshield wipers
and ignition befor eopening thee ngine
hood.
#To open: pull lever1 torelease thee ngine
hood.#Push hood catch 1upwards and lif tthe
engine hood appr oximatel y15in( 40 cm).
#Toclose: lowe rthe engine hood and le titfall
wit hal ittle momentum from aheight of
appr oximatel y8in (20 cm).
#Ifth ee ngine hood can still be lif teds lightl y,
open thee ngine hood again and close it with
al ittle mor eforce until it engages cor rectly.
280
Maintenance and care

openthec ap, youc ould be scalded byhot
coolant spr aying out.
#Le tthe mo torc ool down befor eopening
th ec ap.
#When opening thec ap, wearglove sand
pr otectiv eeyewe ar.
#Slowl yturnt he cap half aturntoa llow
pressur etoescape.
#Park thev ehicle on aflat sur face.
#Chec kthe coolant temp eratur edispla yint he
instrument clus ter.
The coolant temp eratur emustbeb elow
15 8°F( 70 °C).
#Slowly tur ncap 1 counter-clockwise to
re lie ve ove rpressure.
#Continue turning cap 1counter-clockwise
and remo veit.
The coolan tleve lisc orrect:
RIfth ee ngine is cold, up tomar kerb ar2
RIfth ee ngine is warm,upt o0.6 in (1.5 cm)
ove rmarke rb ar2
#If necessar y,add coolant that has been tes‐
te da nd appr ovedbyM ercedes-Benz.
RFurther information on coolant (→pag e347)
Re filling thew indshield washer sy stem
&
WARNING Risk of burn sfromh otcom‐
ponent parts in thee ngine compartment
Cer tain component parts in thee ngine com‐
partmen tcan be very hot, e.g. thee ngine,
th ec ooler and parts of thee xhaust system.
#Le tthe engine cool down and only
to uc ht he component parts described
as follo ws .
&
WARNING ‑Riskoff irea nd injur yfrom
windshield washer concentrate
Wi ndshield washer concentrat eishighly
fl ammable. It coul dignit eifitc omes into
con tact wi thhote ngine component parts or
th ee xhaust system.
#Mak esuret hat no windshield washer
concentrat espills out next tothef iller
opening.
Maintenance and care 283

#Pull cap1offbyt hetab.
#Re fill wa sher fluid.
Cleaning and care
Inf ormatio nonw ashingthe vehicl einac ar
wa sh
&
WARNING Risk of accident duet o
re duced braking ef fect af terw ashing the
ve hicle
The braking ef fect is reduced af terw ashing
th ev ehicle.
#Aftert he vehicle has been washed,
brak ecarefully while paying attention to
th et raffic condition suntilthe braking
ef fect hasb eenf ully restored.
To avo id damag etoyourvehicle when using a
car wash, ensur ethe following beforehand:
RDis tance Pilo tDISTRONIC and theH OLD
function ar eswitched off.
RThe 360° Camer aorthereve rsing camera is
switched off.
RThe side windo wsand slidings unroof are
comple tely closed .
RTheb lowe rfor thev entilation/heating is
swit ched off.
RThe windshield wipe rswitchisinp osition0.
RIn car washes wit hatowing mechanism: neu‐
tral iis engaged.
RThe SmartK eyis at adista nce of at least
10 ft(3 m) away from thev ehicle, otherwise
th et runk lid could open unintentionall y.
% If, af tert he car wash, your emo vethew ax
from thew indshield and wiper rubber ,this
will pr event smearing and reduce wiper
noise.
Note sonu sing high-pre ssurecleaning equip‐
ment
& WARNING Risk of accident whe nusing
high-pressur ecleaning equipment wi th
ro und-spr aynozzles
The wate rjet from around-spr aynozzle( dirt
grinder) ma ycause damage totires and sus‐
pension components that is no tvisible.
284
Mainte nance and care

Notesonc areofv ehicle parts
&
WARNING Risk of entrapment if the
windshield wiper sareswitch ed on while
th ew indshield is being cleaned
If th ew indshield wiper saresetinm otion
while youa recleanin gthe windshield or
wiper blades, youc an be trapped bythe
wiper arm.
#Alw ayss witc hoffthew indshield wipers
and thei gnition befor ecleanin gthe
windshield or wiperb lades.
&
WARNING Risk of burn sfromt ailpipes
and tailpipe trim
The tailpipe and tailpipe trim can become
ve ry hot. If youc om eintoc ontact wit hthese
parts of thev ehicle, youc ouldbur nyourself.
#Alw aysbep articular lycareful around
th et ailpipe and thet ailpipe trim.
#Allo wthe vehicle parts tocool down
befor eyou touc ht hem.
Obser vethef ollowing information:
Information on cleaning and car eAvoiding vehicl edamage
Wheels/rims Usewate rand acid-free whee lcleaners.
RDo no tuse acidic whee lcleaner storemovebrak edust.
This could damag ewheel bolts and brak ecomponents.
RToavoid cor rosion of theb rake disk sand brak elinings,
driv ethe vehicle foraf ewminutes af terc leaning before
parking it. The brak edisksa nd brak elinings warm up and
dried out.
Wi ndo ws
Cleanthew indo wsonthei nside and outside using adamp
clo thand cleanin gproducts recommended byMercedes-
Benz. Do no
tuse dr ycloth s, abrasiv eproducts or cleaning agents
containing sol vents toclean thei nside of thew indo ws.
Maintenance and care 287

Opening
&WARNING Risk of injury from usingthe
windshield wiper swhile thee ngine hood
is open
When thee ngine hood is open and thew ind‐
shield wiper saresetinm otion ,you can be
trappe dbythe wiper linkage.
#Alw ayss witc hoffthew indshield wipers
and ignition befor eopening thee ngine
hood.
#Tu rn clip 2on co ver1 aquar ter-tur nto
th el eft.
#Pull co ver1 upwards in thed irection of the
ar row .
#Remo veanye xisting moisture fromthef use
bo xu sing adryclo th.
#Loosen scr ews4,r emovefuse bo xlid 3
from thet op.
Closing
#Chec kwhether thes eal is positioned cor‐
re ctly in thel id.
Breakdown assis tance 309

Operatingfluids
Note sono perating fluids
&
WARNING Risk of injury from operating
fl uids harmful to your health
Operatin gfluids ma ybepoisonous and harm‐
ful to yo ur health.
#Obser vethet extont he original con‐
ta iner swhen using, storing or disposing
of operating fluids.
#Alw ayss tore operating fluids sealedi n
th eir original conta iners.
#Alwaysk eep children away from operat‐
ing fluids.
* ENV
IRONMEN TALN OTEEnvironmental
pollution caused byenvironmen tally ir re‐
sponsible disposal
#Dispose of operating fluids in an envi‐
ro nmentally responsible manner.
Operating fluids include thef ollowing:
RFuels
RLubricants
RCoolant
RBrak efluid
RWindshield washer fluid
RClimat econtrol sy stem refrigerant
Only use products recommended byMercedes-
Benz.D amagecaused byusingv ehicle products
whic hhave notb eenr ecommende disnotcov‐
ered bytheM ercedes-Benz guarantee, warranty
or goodwill gestures.
Yo uc an identif yoperatin gfluids appr ovedby
Mercedes-Benzbyt hefollowing insc ript ion on
th ec onta iners:
RMB-Freigabe (e.g. MB-Fr eigabe 229.51)
RMB-Approval (e. g. MB-App rova l2 29.51) Fu
rther information on appr ovedoperating flu‐
ids:
RIn theM ercedes-Benz Specification sfor
Operating Fluids at http://be vo.mercedes-
benz.co m(byentering thed esignation)
RAtaq ualified specialis tworks hop
&
WARNING Risk offire and explosion
caused byfuel
Fu els ar ehighly inflammable.
#Youm usta void fire ,o pen flames,c reat‐
ing spar ksand smoking.
#Befor erefueling, switc hoffthee ngine
and, if ins talled in your vehicle, thes ta‐
tionar yheater.
&
WARNING Risk of injury from fuel
Fu els ar epoisonous and harmful to your
health
#Do no tswa llowf uel or le titcomeinto
contact withs kin, eyes or clo thing.
#Do no tinhale fuel vapors.
34 4
Tech nica ldata

&WARNING ‑Riskoff irea nd injur yfrom
antifreeze
If antifreezec omes intocontact wi thhot
component parts in thee ngine compart‐
ment ,itmayignite.
#Allo wthe engine tocool down before
adding antifreeze.
#Make surethat no antifreeze spills out
next tothef iller opening.
#Thoroughl yclean of fany antifreeze
from component parts befor estarti ng
th ev ehicle.
* NO
TEDama gecaused byincor rect cool‐
ant
#Onl yadd coolant that has been pre‐
mixed wit hthe requ ired antifreeze pro‐
te ction.
Fu rther information on coolant
RIn theM ercedes-Benz Specification sfor
Operating Fluids 310.1, e.g. online at
http://be vo.mercedes-benz.com
RAt aq ualified specialis tworks hop
* NO
TEOverheating at high outsid etem‐
peratures
If an inappropriat ecoolant is used, the
engine cooling sy stem is no tsufficientl ypro‐
te cted agains toverheating and cor rosion at
high outside temp eratures.
#Alw aysu se an appropriat ecoolant.
Have thec oolant regularly changed at aqualified
specialis tworks hop.
The proportion of cor rosion inhibitor/antifreeze
concentrat einthe engine cooling sy stem should
be:
RAm inimum of 50% (antifreeze pr otection
down toappr oximatel y-35 °F (-3 7°C))
RAm aximum of 55% (antifreeze pr otection
down to-49 °F (-45 °C))
Fi lling capacities
Model Filling capacity
All models 12.7 US qt (12.0 l)
Note sonw indshield washer fluid
Obser vethen otes on operating fluids
(→pag e344).
&
WARNING ‑Riskoff irea nd injur yfrom
windshield washer concentrate
Wi ndshield washer concentrat eishighly
fl ammable. It coul dignit eifitc omes into
con tact wi thhote ngine component parts or
th ee xhaust system.
#Mak esuret hat no windshield washer
concentrat espills out next tothef iller
opening.
34 8
Tech nica ldata