We
therefor eaccep tnor esponsibility fort he use
of suc hparts in Mercedes-Benz vehicles, even if
th ey have been of ficially appr ovedori ndepend‐
ently appr oved byatesting center.
In some other countries, cer tain parts ar eonly
of ficially appr ovedfor ins tallation or modification
if th ey comply wi thlegal requirements. All
Mercedes-Benz Genuin eParts satisf ythese
re qu irements. Mak esuret hat all parts ar esuita‐
ble fory our vehicle.
Alw ayss pecify thev ehicle identification number
(VIN) and thee ngine number when ordering
Mercedes-Benz Genuine Parts( / pag e323). Information about attachments, add-on
equipment, installations and con versions
Fo rs afet yr easons, ha veadd-on equipmen tpro‐
duce dand assembled in accordanc ewitht he
va lid Mercedes-Benz add-on equipmen tguide‐
lines. These add-on equipmen tguidelines ensure
th at thec hassi sand add-on equipmen tfor mo ne
unit and that theg reates tpossible le velofo pera‐
tional and driving saf etyisa chieve d.
Bo th vehicle manufacturer saswell as body man‐
ufacturer smusta lway se nsur ethat thep roducts
manufactured bythem come int ocirculation only
in as afes tate and do no tpose an yrisk stop eo‐
ple. Otherwise, ther em aybe consequences
under civil, criminal or public la w.All manu factur‐
er sa re re sponsible fort he products that they
ha ve manufactured. The manufacturer of attach‐
ments, add-on equipment, inserts and con ver‐
sions mus tguarantee compliance wi thDirective
2001/95/EC on general product sa fety.
Mercedes-Benz recommends thef ollowing for
saf etyr easons:
R Do no tmakea ny ot herchanges tothev ehi‐
cle.
R Obtain appr oval from thed ealer named on
th ei nside title pag eintheeve nt of deviations
from thea ppr ove dadd-on equipment guide‐
lines.
Ac cep tance testsp erform ed bypublic test bodies
or of ficia lapp rova ls do no trule out saf etyr isks.
Obser vethei nformation about Mercedes-Benz
Genuine Parts( / pag e19).
% Fu
rther information can be obtained at a
qu alified specialis tworks hop. &
WARNING Risk of accident and injur yin
th ee vent of inco rrect con versions or
ch anges tothev ehicle
Con versions or changes tothev ehicle can
impair thef unction of sy stems or compo‐
nents.
As aresult, they ma ynol onger function as
intended and/or endanger theo perating
saf etyoft hevehicle. #
Alwaysh ave conversions or changes to
th ev ehicle made at aqualified work‐
shop. If
yo ua replannin gonmakingchanges to your
ve hicle, wehighl yrecommend that youc ontact
th ed ealer named on thei nside title page, who
will giv eyou all thei nformation youn eed. There
ma ybeac hargefor this service.
If add-on equipmen tmanufacturer sand dealers
mak emodifications that af fect thef ina linspec‐
tion of thee ngine, vehicle or equipment, they
mus taccep tsole responsibility fort he vehicle.
This also appliestom arking and documenting the
ve hicle parts af fected bythec hanges that they
make.
Yo ua re re sponsible forc ertifying and pr oviding
ev idenc ethat thef ollowing condition sareme t:
R thev ehicle complies wit hallre leva nt stand‐
ards and regulations that ar eaffected bythe
modification.
R them odified vehicle still meets thev ehicle
saf etys tandards and emission regulations.
R them odification does no timp air thes afet yof
th ev ehicle.
We aren otresponsible fort he final inspection,
product liability or warrant yclaim sresulting from
modification. This applies to:
R them odified components or sy stems.
R ther esultant violatio nofemission regulations
or vehicle saf etys tandards.
R all consequences resulting from them odi‐
fi ed ,less saf eorevenf aulty vehicle.
We accep tnoresponsibility as final manu facturer
or fort he resultant product liability.
Even seeming lyminor changes tothev ehicle,
suc hasa ttaching aradiator grill in winter ,are not
permitted. Do no tcove rthe radiator .Don otuse
an yt hermal mats, insect pr otection co vers etc. 20
General no tes
Depending on
thev ehicle's equipment, ther adar
sensor sareintegrated behind theb umpers
and/or behind ther adiator grill. Keep these parts
free of dirt, ice and slush (/ page274). Th esen‐
sor sm ustn otbe co vered, fore xamp leby bicycle
ra ck s, overhanging loads or sticke rs.A fter ac olli‐
sion, ha vethef unction of ther adar sensors
ch eckedataq ualified specialis tworks hop as
damag e(both visible or non-visible) ma yhave
occur redtot he bumper or radiator trim. Fu
nction of driving sy stems and driving
saf etys ystems In
this section, youw illfind information abou tthe
fo llowing driving sy stems and driving saf etys ys‐
te ms:
R ABS ( Anti-lock braking system)
(/ page138)
R ASC ( Acceleration SkidControl)
(/ page138)
R BAS(Bra ke Assist System) (/ page138)
R ESP ®
(Electronic Stability Program)
(/ page139)
R EBD ( Electronic Brakeforce Distribution)
(/ page140)
R ActiveB rake Assi st (/ pag e140)
R Cruise control (/ page142)
R ActiveD ista nce Assi stDISTRONIC
(/ page 144)
R Hill star ta ssist
R HOL Dfunction (/ page146)
R Parking Assis tPARKTRONIC (/ page 146)
R Rear vie wcamer a(/ pag e148)
R 360° Camer a(/ pag e150)
R ATTENTION ASSIS T(/ pag e152)
R Traf ficS ign Assi st (/ pag e153)
R Blind Spo tAssist ( / pag e155)
R ActiveL aneK eeping Assis t(/pag e158) Fu
nctions of ABS (Anti-loc kBraking Sy stem) Obser
vethei mp ortant sa fety guideline sfor the
driving saf etys ystem.
ABS cont rols theb rake pressur eincritical situa‐
tions:
R thew heels ar epreve nted from lo cking when
braking, e.g. during maximum full-s topb rak‐
ing or when ther eisi nsufficient tir etraction. R
thes teerability of thev ehicle in term sof
ph ysical possibilities is ensured when brak‐
ing.
R ABSisa ctivefroms peeds of appr ox.3m ph
(5 km/h). On aslipper yroad sur face, ABS
inter venes evenify ou onl ybrake gently.
Sy stem limitations
If th er eisam alfunction and they ellow 0025 ABS
wa rning lam plight supc ontinuousl yinthe instru‐
ment displa yafter startin gthe engine, ABS may
be impaired or inoperative.
If ABS inter venes, youw illfeel ap ulsing in the
brak epedal. The pulsating brak epedal ma ybean
indication of hazardous road condition sand func‐
tions as areminder totake extrac arew hile driv‐
ing.
If ABS in terv enes: keep theb rake pedal firm ly
depressed until theb raking situation has passed.
To car ryout maximum full-s topb raking:
dep ress theb rake pedal wit hfull forc e. Fu
nction of BAS(Brak eAssis tSystem) &
WARNING Risk of an accident caused by
am alfunctio ninBAS (Brak eAssistSys‐
te m)
If BA Sism alfunctioning ,the braking dis tance
in an emergency braking situation is
increased. #
Depress theb rake pedal wit hfull force
in emer gency braking situations. ABS
pr eve nts thew heels from locking. BA
Ss uppo rtsy ou wit hadditional braking forc ein
an emer gency braking situation.
If yo ud epress theb rake pedal quickl y,BA Sis
acti vated:
R BASa utom atically boosts theb raking forc eof
th eb rakes
R BASc an sho rten theb raking dis tance
R ABS pr eventst he wheels from locking
When your elease theb rake pedal, theb rakes
function as usual again. BASisd eactivated. Fu
nctions of ASR (Acceleration Skid Control) ASR can neither
reduce ther isk of an accident
nor override thel aw sofp hysics if thed rive rd oes
no tp ay attention when pulling away or accelerat‐
ing. ASR is onl yanaid. Alw aysa dap tyour driving 13 8
Driving and pa rking
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions #
Wait until thee ngine has cooled down. #
Ensur ethat thea ir supply tothee ngine radiator is no tobstruc‐
te d.
00AC Check Coolant Level See
Operator's Manual *T
he coolant le velist oo lo w. &
WARNING Risk of scalding from ho tcoolant
The engine cooling sy stem is pressurized, particularly when the
engine is warm.Ify ou open thec ap, youc oul dbes calded byhot
coolant spr aying out. #
Letthe engine cool down befor eopening thec ap. #
When opening thec ap, wear pr otectiv eglove sa nd saf ety
gl asses. #
Open thec ap slowl ytorelease pressure. *
NO
TEEngine damag eduetoinsuf ficient coolant #
Avoid long journe yswit hinsuf ficient coolant. #
Topupc oolant (/ page268).
Regeneration not possi-
ble *N
otall condition shave been me tfor rege neration of thed iesel par‐
ticulat efilter . #
Continue driving as normal until all condition shave been me tfor
re ge neration of thed iesel particulat efilter.
The load condition of thed iesel particulat efilter is over50%a nd
th em essag estilla ppear sonthe instrument clus ter. #
Visit aq ualified specialis tworks hop. DEF (Diesel Exhaus
tFluid) Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00E2
Refill Additive See Opera-
tor's Manual *
In addition, they ellow 00E2 DEFindicator lam plight supont he
instrument clus tera nd aw arning tone sounds.
The DEF supply ha sfallen belo wthe firs tw arning thre shold. #
Addatl east2.5gal(9. 5l)ofD EF (/pag e130).
The 00E2 DEF indica torlamp onl ydisappea rswhen thev ehicle
is stationar y,at thel ates tafter 20 seconds, as soon as you
switc hont he ignition or star tt he engine af tert opping up.
00E2
Refill Additive Starts
until Emerg. Op.: XXX
See Operator's Manual *I
na ddit ion, they ello wD EFindicator lam plight supa ndaw arning
to ne sounds.
The DEF supply ha sfallen belo wthe reser vemar k.
Af tert he messag eappear sfor thef irst time ,the remaining DEF sup‐
ply willl astfor appr oxima tely 12 00 mile s(19 00 km) .The engine can
th en onl ybestarted ano ther 16 times. The numbe rofremaining
engine starts XX(16to1)iss hown inthem essag eevery time the
engine is star ted. Displa
ymessages and warning and indicator lamps 351
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
Po we rsteering sy stem
wa rning lamp &
WARNING Risk of accident if steering capability is impaired
If th es teering no longer functions as intended, thev ehicle's operat‐
ing saf etyisj eopardized. #
Consult aqualified specialis tworks hop. #
Read them essages on them ultifunction displa y. Engine
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00AC
Coolant warning lamp The
redc oolant warning lam plight supw hilethee ngine is running.
Po ssible causes:
R temp eratur esensor malfunctioning
R coolant le veltoo low
R air suppl ytothe engine radiator obstructed
R engin eradiator fanf aulty
If aw arning tone also sounds, thec oolant has exceeded thet empera‐
tur eof2 48 °F (120 °C). &
WARNING Danger of bu rnsw hen opening theh ood
If yo uo pen theh ood when thee ngine has overheated or during a
fi re inthee ngine compartment, youc oul dc om eintoc ontact wi th
ho tg ases or other escaping operating fluids. #
Befor eopening theh ood, allo wthe engine tocool down. #
Inthee vent of afireint he engine compartment, keep the
hood closed and call thef ires ervice. #
Stop immediately in accordance wit hthe traf ficc onditions and
switc hoffthee ngine. Do no tcontinue driving. #
Obser vethem essages on them ultifunction displa y.
If th ec oolant temp eratur edispla yisatt he lowerend of thet empera‐
tur es cale: #
Consult aqualified specialis tworks hop.
Otherwise: #
Leavethev ehicle and keep asafed ista nce from thev ehicle until the
engine has cooled down. #
Chec kthe coolant le vel(/ page268). #
Ensur ethat thea ir supply tothee ngine radiator is no tobstructed. #
Without subjectin gthe engine toexc essiv estrain, continue tothe
nea rest qu alified specialis tworks hop. Ensur ethat thec oolant tem‐
peratur edispla yremain sbelo w2 48 °F (120 °C). 366
Displaymessa gesa nd warning and indicator lamps