Page 369 of 422

Drivin
gsystems Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00CB
Maximum Speed Excee-
ded *Y
ou ha veexc eeded them aximum permitted speed (onl yspecific
count ries). #
Driv emores lowl y.
Cruise Control Inopera-
tive *C
ruise control is malfunctioning. #
Visit aq ualified specialis tworks hop.
00B2
Off *C
ruise control has been deactivated.
If aw arning tone also sounds, this means cruise control has deacti‐
va tedi tself automatically (/ page142).
00B2 ---m ph *C
ruise control canno tbeactivated as no tall activation conditions
ha ve been met. #
Obser vethea ctivation conditions of cruise cont rol
( / pag e143).
Active Distance Assist
Inoperative *T
heActiveD ista nce Assi stDISTRONI Cismalfunctioning.
Other driving sy stems and driving saf etys ystems ma yalso be mal‐
functioning. #
Visit aq ualified specialis tworks hop.
Active Distance Assist
Currently Unavailable
See Operator's Manual *T
heActiveD ista nce Assi stDISTRONI Cistemporaril yunavailable.
The ambien tcondition sareoutsid ethe sy stem limits (/ page144). #
Continu edriving.
When thea mbient conditions ar ewithin thes ysteml imits, the
sy stem will be available again.
00CE
00B0
á
Currently Unavailable
Camer aDirty *
The camer aviewisr educed. 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 oraril yunavailable.
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,visit aqualified specialis tworks hop. Displa
ymessages and warning and indicator lamps 345
Page 370 of 422

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 144)
R BlindSpotA ssist(/ pag e155)
R ActiveB rake Assi st (/ pag e140)
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 e274). #
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 e145).
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 (/ page146).
Traffic Sig nAssist Inop-
erative *T
heTraf ficS ign Assi stis malfunctioning. #
Visit aq ualified specialis tworks hop.
Traffic Sign Assist Cam-
era View Restricted See
Operator's Manual *
The camer aviewisr educed. 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 oraril yunavailable.
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.
Traffic Sign Assist Cur-
rently Unavailable See
Operator's Manual *T
raffic Sign Assis tistemporarily una vailable (/ page153). #
Continu edriving.
Whe nthe causes ha vebeen eliminated, thes ystemw ill be avail‐
able again.
The windshiel disdirty.
Clean thew indshield. 346
Displaymessa gesa nd warning and indicator lamps
Page 371 of 422

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
Blind Spot Assist Inoper-
ative *B
lind Spo tAssis tism alfunctionin g(/ pag e155). #
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 (/ page155). #
Press thel eft-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 (/ page155).
The sy stem limits ha vebeen reached (/ page155). #
Continu edriving.
When thec auses 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.
Active Lane Keeping
Assist Camera View
Restricted See Opera-
tor's Manual *T
he camer aviewisr educed (/ page158).
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 (/ page158). #
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 (/ page158).
The ambient conditions ar eoutsid ethe sy stem limits (/ page158). #
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 *T
heATTENTION ASSIS Tismalfunctioning. #
Visit aq ualified specialis tworks hop. Displa
ymessages and warning and indicator lamps 347
Page 372 of 422

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
ATTENTION ASSIST Inop-
erative
00AD
ATTENTION ASSIST:
Take aBreak! *T
heATTENTION ASSIS Thas de tected fatigue or increasing inatten‐
tiveness on thed rive r's par t(/pag e152). #
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 rato rh as reached
th em aximum le vel. #
Drain thew ater separator (/ page271).
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 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. 348
Displaymessa gesa nd warning and indicator lamps
Page 373 of 422

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
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 (/ page267).
Obser vethen otes on engine oil (/ page329).
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 (/ page267).
Obser vethen otes on engine oil (/ page329).
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 (/ page267).
Obser vethen otes on engine oil (/ page329).
003D *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. Displa
ymessages and warning and indicator lamps 349
Page 374 of 422

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
Stop Vehicle Leave
Engine Running
003D
Stop Vehicle 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. #
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. 350
Displa ymessages and warning and indicator lamps
Page 375 of 422

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
Page 376 of 422

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions #
Addatl east2.5gal(9. 5l)ofD EF (/pag e130). 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 e130).
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.:
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. 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. 352
Displa ymessages and warning and indicator lamps