Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
Check Brake Pads See
Operator's Manual *T
he brakepads ha vereached their wear limit. &
WARNING Risk of accident du etorestricted braking po wer
When theb rake pads ha vereached their wear limit ,the braking
po we rm aybe restricted. #
Driv eonc arefully. #
Have theb rake system checkedi mmediately at aqualified
specialis tworks hop. #
Visit aq ualified specialis tworks hop.
004D
Check Brake Fluid Level *T
her eisn otenough brak efluid in theb rake fluid reser voir. &
WARNING Risk of an accident du etolowbrak efluid le vel
If th eb rake fluid le velist oo lo w,theb raking ef fect and theb rak‐
ing characteristic smaybe impaired. #
Pull overand stop thev ehicle safely as soon as possible,
paying attention toroad and traf ficc onditions. Do no tcon‐
tinue driving under an ycircums tances. #
Consult aqualified specialis tworks hop. #
Do no tadd brak efluid. #
Stop thev ehicle immediately in accordance wit hthe traf ficc on‐
ditions. Do no tcontinu edriving. #
Consul taqualified specialis tworks hop. #
Do no tadd brak efluid.
Activ eBrake Assist Func-
tions Limite dSee Opera-
tor's Manual *A
ctiveBrake Assi stis malfunctioning. #
Visit aq ualified specialis tworks hop.
Active Brake Assist Func-
tions Currently Limited
See Operator's Manual *A
ctiv eBrake Assi stistemp orarily una vailable.
The ambien tcondition sareoutsid ethe sy stem limits (/ page148). #
Driv eon.
When thea mbient conditions ar ewithin thes ysteml imits, the
sy stem will be available again. #
Ifth ed ispla ymessag edoes no tdisappear ,stopina ccordance
wit hthe traf ficc onditions and restar tt he engine.
Radar Sensors Dirty See
Operator's Manual *
The radar sensor sy stem is malfunctioning. Possible causes:
R Dirtont he sensors
R Heavy precipitation
R Extended countr ydriving wi thout other traf fic, e.g. in thed esert
Driving sy stems and driving saf etys yst ems ma ybemalfunctioning
or temp oraril yunavailable.
When thec auses ha vebeen eliminated, thed riving sy stems and
driving saf etys yst ems will be available again.
If th ed ispla ymessag edoes no tdisappear ,proceed as follo ws: Displ
aymessa gesa nd warning and indicator lamps 265
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions #
Stop in accordance wit hthe tra ffic conditions. #
Clean all sensor s(/pag e195). #
Restar tt he engine.
SOS NOT READY *T
he emergency call sy stem is no tavailable.
Po ssible causes fort his include:
R The ignition is switched off.
R The emer gency cal lsyst em is malfunctioning. #
Switc hont he ignition.
If an emergency call is una vailable, amessag etothis ef fect will
appea ronthe multifunction displa yofthe instrument clus ter. #
Visit aq ualified specialis tworks hop.
% Yo
uc an find mor einformation on ther egional availabilit yofthe
emergency call sy stem at :http://www.mercedes-benz.com/
connect_ecall
007A
0025
00E5 Inoperative See Opera-
tor's Manual *
EBD,A BS and ESP ®
arem alfunctioning.
Other driving sy stems and driving saf etys ystems ma yalso be mal‐
functioning. &
WARNING Risk of skidding if EBD, ABS and ESP ®
arem al‐
functioning
If EBD, ABS and ESP ®
arem alfunctioning ,the wheels can lock
when braking and ESP ®
canno tcarry out vehicle stabilization.
The steering capability and braking characteristic sarethus
se verely impaired .The brakin gdista nc einane mergency brak‐
ing situation can increase. In addition, other driving saf etys ys‐
te ms ar eswitched off. #
Driv eonc arefully. #
Have theb rake system checkedi mmediately at aqualified
specialis tworks hop. #
Driv eonc arefully. #
Consult aqualified specialis tworks hop immediatel y.
00E5 Inoperative See Opera-
tor's Manual *
ESP ®
is malfunctioning.
Other driving sy stems and driving saf etys yst ems ma yalso be mal‐
functioning.
The brak esystem continues working wit hthe normal ef fect. The
braking dis tance ma yincrease in eme rgency braking situations. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning ,ESP ®
canno tcarry out vehicle stabili‐
zation .Inaddition ,other driving saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ESP ®
ch eckedataq ualified specialis tworks hop. 266
Displa ymessages and warning and indicator lamps
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00CE
00B0
á
Currently Unavailable
Camera Dirty *
The camer aviewisr estricted. Possible causes:
R Dirtont he windshield in thec amera's field of vision
R Heavy precipitation or fog
Driving sy stems and driving saf etys ystems ma ybem alfunctioning
or temp orarily una vailable.
When thec auses ha vebeen eliminated, thed riving sy stems and
driving saf etys ystems will be available again.
If th ed ispla ymessag edoes no tdisappear: #
Stop in accordance wit hthe tra ffic conditions. #
Clean thew indshield. #
If necessar y,consult aqualified specialis tworks hop. Currently Unavailable
RadarS
ensors Dirty *
The radar sensor sy stem is malfunctioning. Possible causes:
R Dirtont he sensors
R Heavy precipitation
R Extended countr ydriving wi thout other traf fic, e.g. in thed esert
The following sy stems ma ybeaffected:
R ActiveD ista nce Assi stDISTRONI C(/ page 152)
R Blind Spo tAssis t(/pag e157)
R ActiveB rake Assi st (/ pag e148)
Driving sy stems and driving saf etys ystems ma ybem alfunctioning
or temp orarily una vailable.
When thec auses ha vebeen eliminated, thed riving sy stems and
driving saf etys ystems will be available again.
If th ed ispla ymessag edoes no tdisappear: #
Stop in accordance wit hthe tra ffic conditions. #
Clean all sensor s(/pag e195). #
Restar tt he engine. #
If necessar y,consult aqualified specialis tworks hop.
Active Distance Assist
Now Available *A
ctiv eDista nce Assi stDISTRONI Cisoperationa laga in and can be
acti vated( /pag e153).
00D9 Off *T
he HOLD function has been deactivated because thev ehicle is slip‐
ping or an activation condition has no tbeen met. #
Reactivat ethe HOLD function later on or checkt he HOLD func‐
tion's activation conditions (/ page154).
Blin dSpotA ssist Inoper-
ative *B
lind Spo tAssis tism alfunctionin g(/ pag e157). #
Visit aq ualified specialis tworks hop.
Blind Spot Assist Trailer
Not Monitored *W
hen youe stablish an electrical connection wit hthe trailer ,Blind
Spo tAssis twillremain available but thea reab eside thet railer will
no tbem onitored. The function of Blind Spo tAssis tmaybe restric‐
te dasar esult (/ page157). Displ
aymessa gesa nd warning and indicator lamps 269
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
Û
ATTENTION ASSIST:
Take aBreak! *A
TTENTION ASSIS Thas de tected fatigue or increasing inattenti ve‐
ness on thed rive r's par t(/pag e156). #
If necessa ry,t ak eab reak. Engine
Displ
aymessages
Possible causes/consequences and 0050 0050Solutions
00D4
Fuel Level Low *T
he fuel suppliesh avereached ther eser veleve l. #
Refuel.
009E
Replace Air Filter *
Ve hicles with adiese lengine: The engine air filter is clogged and
mus tber eplaced. #
Visit aq ualified specialis tworks hop.
00AC *T
hefanm otorisd efective. #
Without ahigh engine load, continue tothen eares tqualified
specialis tworks hop. Ensur ethat thec oolant temp eratur edis‐
pla yremain sbelo w2 48 °F (120 °C).
003A Check Fuel Filter *T
hewatert hat has accumulate dinthewate rsepa ratorh as reached
th em aximum le vel. #
Drain thew ater separator (/ page192).
00B3 Engine Oil Level Cannot
Be Measured *T
he electrical connection totheo il le vels ensor has been inter rup‐
te dort he oil le vels ensor is faulty. #
Visit aq ualified specialis tworks hop.
00B2
Engine Oil Pressure Stop
Switch Off Engine *D
ispla ymessag efor cer taine ngines only:
The engine oi lpressur eistoo lo w.
* NO
TEEngine damag ecaused bydriving wit hinsuf ficient
engine oil pressure #
Avoid driving wit hinsuf ficient engine oil pressure. #
Stop in asafel ocation immediately .Donotcontinue driving. #
Consult aqualified specialis tworks hop. Displa
ymessages and warning and indicator lamps 271
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00B2
Check Engine Oil Level
(Add 1Liter) *T
he engine oil le velh as fallen tothem inimum le vel.
* NO
TEEngine damag ecaused bydriving wit hinsuf ficient
engine oil #
Avoid long journe yswit hinsuf ficient engine oil. #
Che ckthee ngine oil le velatt he next fuel stop.
Re fill engin eoil (/ page188).
Obser vethen otes on engine oil (/ page251).
00B2
Engine Oil Reduce Oil
Level *D
ispla ymessag efor cer taine ngines only:
The engine oi llev el is tooh igh.
* NO
TEEngine damag ecaused bydriving wit hexcess engine
oil #
Avoid long journe yswit he xcess engine oil. #
Visit aq ualified specialis tworks hop immediately and ha vethe
engine oil suctioned off.
00B2
Engine Oil Level Low
StopV ehicle Turn
Engine Off *D
ispla ymessag efor cer taine ngines only:
The engine oi llev el is tool ow.
* NO
TEEngine damag ecaused bydriving wit hinsuf ficient
engine oil #
Avoid long journe yswit hinsuf ficient engine oil. #
Stop in asafel ocation immediately .Donotcontinue driving. #
Switc hoffthee ngine. #
Chec kthe engine oil le vel.
Ad de ngin eoil (/ page188).
Obser vethen otes on engine oil (/ page251).
00B2
Check Engine Oil At
Next Refueling *T
he engine oil le velh as fallen tothem inimum le vel.
* NO
TEEngine damag ecaused bydriving wit hinsuf ficient
engine oil #
Avoid long journe yswit hinsuf ficient engine oil. #
Che ckthee ngine oil le velatt he next fuel stop.
To pupe ngineoil (/ page188).
Obser vethen otes on engine oil (/ page251).
003D
Stop Vehicle Leave
Engine Running *T
he battery's charge leve list oo lo w. #
Stop in asafel ocation immediately .Donotcontinue driving! #
Letthe engine run. #
Do no tcontinue driving unti lthe displa ymessag egoes out. 272
Displaymessa gesa nd warning and indicator lamps
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
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
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. #
Addatl east2.5gal(9. 5l)ofD EF (/pag e137).The 00E2 DEF
indica torlamp onl ydisappea rswhen thev ehicle is stationar y,at
th el ates tafter 20 seconds, as soon as yous wit ch on thei gni‐
tion or star tt he engine af tert opping up.
00E2
Refill Additive Emer-
gency Op.: XXX mph See
Operator's Manual *
In addition, they ello wD EFindicator lamp 00E2lightsupont he
instrument clus tera nd aw arning tone sounds.
If the Refill Additiv eEmergency Op.: XXX mph See Operator's Man-
ual displa ymessag eisshown, youc an only driv ethe vehicle at a
maximum speed of 5mph (8 km/h). #
Addatl east2.5gal(9. 5l)ofD EF (/pag e137).
Th eD EF indica torlamp 00E2 only disappea 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 terr efilling.
0099
Additive System Fault
See Operator's Manual *
In addition, they ellow 00B9CheckEngine warning lam ponthe
instrument clus terl ights up and awarning tone sounds.
The DEF reducing agent is con taminated, diluted or is no tcompliant
wit hISO 222 41 . #
Have theD EFsuppl ytank cleaned an drefilled at aqualified spe‐
cialis tworks hop as soon as possible.
0099 Additive System Fault
Starts until Emerg. Op.:
XXX See Operator's Man-
ual *
In addition, they ellow 00B9CheckEngine warning lam ponthe
instrument clus terl ights up and awarning tone sounds.
The DEF reducing agent is con taminated, diluted or is no tcompliant
wit hISO 222 41 .
The exhaus tgas af tertre atment sy stem is defectiv eoranemissions-
re leva nt malfunction ha soccu rred. This malfunction or defect can
damag ethe exhaus tgas af tertre atment sy stem.
Af tert he messag eappear sfor thef irst time ,the engine can onl ybe
st ar teda nother 10 times. The numbe rofremaining engine starts XX
(1 0to1)iss hown inthem essag eevery time thee ngine is star ted. #
Visit aq ualified specialis tworks hop immediately.
0099 Additive System Fault
EmergencyO p.: XXX
mph See Operator's
Manual *
In addition, they ellow 00B9CheckEngine warning lam ponthe
instrument clus terl ights up and awarning tone sounds.
Yo uc an only driv ethe vehicle at amaximum speed of 5mph
(8 km/h). #
Visit aq ualified specialis tworks hop immediately. Displa
ymessages and warning and indicator lamps 275
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00AF
Replace Key Battery *T
he SmartK ey's batter yisdischarged. #
Changing theb atter y(/ pag e47).
00AF Obtain aNew Key *T
he SmartK eymus tber eplaced. #
Visit aq ualified specialis tworks hop. Ve
hicle Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00B2
Check Washer Fluid *T
hewasher fluid le velint hewasher fluid reser voir has fallen below
th em inimum. #
Adding washer fluid (/ page191).
003E *A
tlea st one door is open. #
Close al lthe doors.
f *T
he hood is open. &
WARNING Risk of accident if thee ngine hood is unlatched
while driving
An unloc kede ngin ehood ma yopen up when thev ehicle is in
motion and bloc kyour vie w. #
Neveru nlatc hthe engine hood while driving. #
Befor eevery trip, ensur ethat thee ngine hood is latched. #
Stop thev ehicle immediately in accordance wit hthe traf ficc on‐
ditions. #
Close theh ood.
003B
Inoperative See Opera-
tor’s Manual *T
hestationar yheater is temp orarily malfunctioning. #
When thev ehicle is at astandstill in ahorizontal position and
th ee ngine has cooled down: tr ytoswitchont hestationary
heater four times, leavin gagap of se veralm inutes between
eac hattem pt. #
Ifth es tationar yheater does no tswit ch on: consult aqualified
specialis tworks hop.
003B
Inoperative Refuel Vehi-
cle *T
her eist oo little fuel in thef uel tank.The stationar yheater cannot
be swit ched on. #
Refuel thev ehicle. 278
Displaymessa gesa nd warning and indicator lamps