Displa
ymessages
Possible causes/consequences and 0050 0050Solutions Currently Unavailable
Radar Sensors Dirty *
The radar sensor sy stem is malfunctioning. Possible causes:
R dirtont he sensors
R heavy precipitation
R extende dcountr ydrive sw ithout other traf fic, e.g. in thed esert
The following sy stems ma ybeaffected:
R ActiveD istan ce Assi stDISTRONI C(/ page 142)
R Blind Spo tAssist(/ page147)
R ActiveB rake Assi st (/ pag e139)
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 asafel ocation. #
Clean all sensor s(/pag e190). #
Re-sta rt thee ngine. #
If necessar y,visit aqualified specialis tworks hop.
Active Distance Assist
Now Available *T
heActiveD ista nce Assi stDISTRONI Cisoperationa laga in and can
be acti vated( /pag e144).
00D9 Off *T
he HOLD function has been deactivated because thev ehicle is slip‐
ping or an activation condition has no tbeen met. #
Re-acti vate theH OLD function later on or checkt he HOLD func‐
tion's activation conditions (/ page145).
Blind Spo tAssist Inoper-
ative *B
lind Spo tAssis tism alfunctionin g(/ pag e147). #
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 (/ page147). #
Pres sthe left-hand Touc hC ontrol and ackn owledg ethe display
message.
Blind Spot Assist Cur-
rently Unavailable See
Operator's Manual *B
lind Spo tAssis tist emporarily una vailable (/ page147).
The sy stem limits ha vebeen reached (/ page147). #
Con tinuedriving.
Whe nthe causes ha vebeen eliminated, thes ystemw ill be avail‐
able again.
or #
Ifth ed ispla ymessag edoes no tgoout,stop in asafel ocation
and re-sta rt thee ngine. #
If necessar y,clea nthe rear bumper .Ifthe bumper is very dirty,
th es ensor sinthe bumper ma ymalfunction.
*T he camer aviewisr educed (/ page150). Displ
aymessa gesa nd warning and indicator lamps 261
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
Active Lane Keeping
Assist Camera View
Restricted See Opera-
tor's Manual Po
ssible 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 asafel ocation. #
Clean thew indshield.
Active Lane Keeping
Assist Inoperative *A
ctiveLane Keeping Assis tismalfunctioning (/ page150). #
Visit aq ualified specialis tworks hop.
Active Lane Keeping
Assist Currently Unavail-
able See Operator's Man-
ual *A
ctiv eLane Keeping Assis tistemporarily una vailable (/ page150).
The ambient conditions ar eoutsid ethe sy stem limits (/ page150). #
Continu edriving.
When thea mbient conditions ar ewithin thes ysteml imits, the
sy stem will be available again.
If th ed ispla ymessag edoes no tdisappear: #
Stop in asafel ocation. #
Clean thew indshield.
00AD
ATTENTION ASSIST Inop-
erative *T
heATTENTION ASSIS Tismalfunctioning. #
Visit aq ualified specialis tworks hop.
00AD
ATTENTION ASSIST:
Take aBreak! *T
heATTENTION ASSIS Thas de tected fatigue or increasing inatten‐
tiveness on thed rive r's par t(/pag e146). #
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. 262
Displa ymessages and warning and indicator lamps
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
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 (/ page187).
00B3
Engine Oi lLevel Cannot
Be Measured *T
he electrical connection totheo il le vels ensor has been inter rup‐
te dort he oil le vels ensor is defective.
The engin eoil le velh as fallen tothem inimum le vel. #
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.
00B2
Check Engine Oil Level
(Add 1Liter) *D
ispla ymessag efor cer taine ngines only:
The engine oi llev el has 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 (/ page183).
Obser vethen otes on engine oil (/ page244).
00B2
Engine Oi lReduc eOil
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 *D
ispla ymessag efor cer tain engines only:
The engin eoil le velist oo lo w. Displ
aymessa gesa nd warning and indicator lamps 263
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
Engine Oil Level Low
Stop Vehicle Turn
Engine Off *
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 (/ page183).
Obser vethen otes on engine oil (/ page244).
00B2
Check Engine Oi lAt
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 (/ page183).
Obser vethen otes on engine oil (/ page244).
003D
Stop Vehicl eLeave
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.
003D
StopV ehicle See Opera-
tor's Manual *T
he batter yisnolonger being charge da nd has reached an exces‐
sively lo wbatter ycharg eleve l.
* NO
TEPossible engine damag eifyou continue driving #
Do no tcontinue drivin gunde rany circum stances. #
Consult aqualified specialis tworks hop. #
Stop in asafel ocation immediately .Donotcontinue driving. #
Switc hoffthee ngine. #
Consult aqualified specialis tworks hop.
003D
12 VB attery See Opera-
tor's Manual *T
he engine is of fand theb atter ycharg eleve list oo lo w. #
Switc hoffelectrica lconsumer sthat ar enotrequ ired. #
Letthe engine runf or afew minutes or driv eanextende ddis‐
ta nce.
The batter yischarged.
003D
See Operator's Manual *T
he batter yisnolonger being charge d.
* NO
TEPossible engine damag eifyou continue driving #
Do no tcontinue drivin gunde rany circum stances. #
Consult aqualified specialis tworks hop. 264
Displa ymessages and warning and indicator lamps
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions #
Stop in asafel ocation immediately and switc hoffthee ngine. #
Consult aqualified specialis tworks hop.
00AC
Coolant Too Hot Stop
Vehicle Turn Engine Off *T
he coolant is tooh ot. #
Stop in asafel ocation immediately and switc hoffthee ngine. &
WARNING Danger of bu rnsw hen opening theh ood
If yo uo pen theh ood when thee ngine has overheated or during
af ireint he engine compartment, youc oul dc om eintoc ontact
wi th hotg 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. &
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. #
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 (/ page184).
Regeneratio nnot 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. Displa
ymessages and warning and indicator lamps 265
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
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 e129).
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. #
Addatl east2.5gal(9. 5l)ofD EF (/pag e129). The 00E2DEF
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 e129).
The DEF 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.: *
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 . 266
Displa ymessages and warning and indicator lamps
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
XXX See Operator's Man-
ual 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. Ti
res Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
Tire Pressure Monitor
Inoperative No Wheel
Sensors *T
he ins talled wheels do no thave suitable tir epressur esensors. The
tir ep ressur emonitor has been switched off. #
Install wheels wit hsuitable tir epressur esensors.
0077
Tire Press .Sen.M issing *T
he tir epressur esensor signal is missing from one or mor etires.
No pressur evalue is displa yedf or thet ireinq uestion. #
Have thef aulty tir epressur esensor replaced at aqualified spe‐
cialis tworks hop.
Tire Press. Monitor Cur-
rently Unavailable *T
her eisi nterfere nce from apowe rful source of radio wav es As a
re sult, no signals from thet irep ressur esensor sare re ceived. The
tir ep ressur emonitor is temp orarily una vailable. #
Continue driving.
As soon as thec ause has been eliminated, thet irep ressure
monitor automaticall yswitches on.
0077 Warning Tire Malfunction *T
he pressur einone or mor etires suddenl yfalls. The wheel position
is shown. &
WARNING Risk of an accident from driving wi thaflat tire
Flat tires ar edangerous in thef ollowing ways:
R The tires can overheat and cause afire.
R The driving characteristics, as well as steering and braking,
ma ybeg reatl yimp aired.
Yo uc oul dthen lose contro lofthevehicle. #
Do no tdrive wit haf lat tire. #
Obser vethen otes on flat tires. In
fo rm atio nabout flat tires (/ page195). #
Stop thev ehicle in accordance wit hthe tra ffic conditions. Displa
ymessages and warning and indicator lamps 267
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions #
Chec kthe tires.
0077 Check Tires *T
he pressur einone or mor etires has fallen significantl y.The wheel
position is shown. &
WARNING Risk of an accident du etoinsufficient tir epres‐
sure
Ti re pressures that ar etoo lo wpose thef ollowing hazards:
R The tires ma yburst,e speciall yasthe load and vehicle speed
increase.
R The tires ma ywear excessivel yand/or une venly ,w hich may
greatly impair tir etraction.
R The driving characteristics, as well as steering and braking,
ma ybeg reatl yimp aired.
Yo uc oul dthen lose contro lofthevehicle. #
Obser vether ecommended tir epressu re. #
Adjus tthe tir epressur eifn ecessar y. #
Stop in accordance wit hthe tra ffic conditions. #
Chec kthe tir epressur e(/pag e211)a nd thet ires.
0077
Please Correct Tire Pres-
sure *T
he pressur einatleastone tir eistoo lo wort he pressures of the
individual tires deviat etoo muc hfrome acho ther. #
Chec kthe tir epressure, and add air if necessar y. #
When thet irep ressur ehas been se tcorrectl y,re-sta rt thet ire
pressur emonitor (/ page217).
Tire Pressure Monitor
Inoperative *T
he tir epressur emonitor is malfunctioning. #
Visit aq ualified specialis tworks hop. Key
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00AF
Don't Forget Your Key *T
his messag eremind syou no ttoleave your keyint hevehicle. #
Take thek eywit hyou when youg etout of thev ehicle.
00AF Place the Key in the
Marked Space See Oper-
ator's Manual *K
eydetection is malfunctioning. #
Chang ethe key's position in thev ehicle. #
Startt he vehicle wit hthe keyint he slot(/ page104).
00AF *T
hekeyisn otdetected and ma ynolonger be in thev ehicle.
The keyisn olon gerint hevehicle and yous wit ch thee ngine off:
R Youc an no lon gers tart thee ngine. 268
Displa ymessages and warning and indicator lamps