re
sear ch,wea reunable toasses sother parts.
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 e245). Note
sabout attachments, add-on equip‐
ment, installations and con versions
Fo rs afet yr easons, ha veadd-on equipmen tpro‐
duce dand ins talled in acco rdanc ewitht he valid
Mercedes-Benz body/equipmen tmountin gdirec‐
tives. These body/equipmen tmountin gdirectives
ensur ethat thec hassi sand add-on equipment
fo rm one unit and that theg reates tpossible le vel
of operational and driving saf etyisa chieve d.
Bo th vehicle manufacturer sand body manufac‐
turer smusta lway se nsur ethat thep roducts they
manufactur ecome int ocirculation only in asafe
st at ea nd do no tpose an yrisk stop eople. Other‐
wise, ther em aybe consequences under civil,
criminal or public la w.All manu facturer sare
re sponsible fort he products that they have man‐
ufactured. Manufacturer sofattachments, add-on
equipment, ins tallation sand con versions must
guarantee complianc ewithD irective
2001/95/E Congeneral product saf ety.
Mercedes-Benz recommends thef ollowing proce‐
dur efor saf etyr easons:
R Do no tmakea nyother changes 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 dbody/equipment mounting
directives.
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 e20).
% Yo
uc an obtain fur ther information at aquali‐
fi ed 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 ui ntend tomak echanges to yourvehicle,
Mercedes-Benzu rgentl yrecommends con tacting
th ed ealer ,who will giv eyou all thei nformation
yo un eed. Ther emaybe acharg efor this service.
If body manufacturer sand dealer smakem odifi‐
cations that af fect thef ina linspection of the
engine, vehicle or equipment, they mus taccept
sole responsibility fort he vehicle. This also
appliestom arking and documenting thev ehicle
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 The vehicle complies wit hallre leva nt stand‐
ards and regulations that ar eaffected bythe
modification.
R The modified vehicle still meets thev ehicle
saf etys tandards and emission regulations.
R The modification does no timp air thes afet yof
th ev ehicle.
Mercedes-Ben zisnotresponsible fort he final
inspection, product liability or warrant yclaims
re sulting from modification. This applies fort he
fo llowing points:
R them odified components or sy stems
R ther esultant violatio nofemission regulations
or vehicle saf etys tandards
R all consequences resulting from them odified,
less saf eorevenf aulty vehicle
Mercedes-Benza ccepts noresponsibility as final
manu facturer or fort he resultant product liability.
Even seemingly minor changes tothev ehicle,
suc hasa ttaching aradiator grill in winter ,are not
permitted. Do no tcover ther adiator .Donotuse
an yt hermal mats, insect pr otection co vers etc.
Otherwise, thev alues of thev ehicle's diagnostic
sy stem will be dis torted. Some of these values General no
tes21
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 (/ page195). The sen‐
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)
(/ page146)
R ASR (acceleration skid control) (/ page147)
R BAS(Brake Assist System) (/ page146)
R ESP ®
(Electronic Stability Program)
(/ page147)
R EBD ( Electronic Brakeforce Distribution)
(/ page148)
R ActiveB rake Assi st (/ pag e148)
R Cruise control (/ page151 )
R ActiveD ista nce Assi stDISTRONIC
(/ page 152)
R Hill star ta ssis t(/pag e154)
R HOLD function (/ page154)
R Parking Assis tPARKTRONIC
R Rear vie wcamera
R Surround vie wcamera
R ATTENTION ASSIS T(/ pag e156)
R Blind Spo tAssist ( / pag e157)
R ActiveL aneK eeping Assis t(/ pag e161 ) 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 The wheels 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 The steerability of thev ehicle in term sof
ph ysical possibilities is ensured when braking
R ABSisa ctivefroms peeds of appr ox.3m ph
(5 km/h). On aslipper yroad sur face, ABS
inter venes evenify ou onl ybrake gentl y.
Sy stem limits
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
depresse duntil 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. 14 6
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. #
Avoiding high engine loads, continue tothen eares tqualified
specialis tworks hop. Ensur ethat thec oolant temp eratur edis‐
pla yremain sbelo w2 48°F (120°C).
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 (/ page189).
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% and the
messag estilla ppear sonthe instrument clus ter. #
Consult aqualified 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 e137).
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. 274
Displaymessa gesa nd warning and indicator lamps
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
th ee ngine has cooled down. #
Chec kthe coolant le vel(/ page189). #
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
te mp eratur edispla yremain sbelo w2 48 °F (120 °C).
003D
Electrical malfunction
wa rning lamp The elect
rical malfunction redw arning lam plight sup.
*A malfunction has occur redint he electrics. #
Read them essages on them ultifunction displa y.
00D4
Fu elreser vewarning
lamp The fuel
reser veyello ww arning lam plight supw hilethee ngine is on.
*T he fuel suppliesh avereached ther eser veleve l. #
Refuel. 290
Displaymessa gesa nd warning and indicator lamps