Page 362 of 446

Displaymessages
Possible causes/consequences and MSolutions
Active Brake Assist Func-
tions Limited See Opera-
tor's Manual *
Ac tiveB rake Assi stwit hc ross-traf ficf unction, Evasi veSteering Assis torPRE‑SAFE
®PLUS is malfunctioning.
#Visit aq ualified specialis tworks hop.
Active Brake Assist Func-
tions Currently Limited See
Operator's Manual *A
ctiv eBrake Assist istemp oraril yunavailable.
The ambientc onditionsareoutside thes ysteml imits .
#Driv eon.
As soon as thea mbient conditions ar ewithin thes ystem limits, thes ystemw ill become available again.
#Ifth ed ispla ymessag edoes no tdisappear ,pull ove rand stop thev ehicle safel y,paying attention toroad and
traf ficc onditions and restar tt he engine.
Active Brake Assist Func-
tions Limited See Opera-
tor's Manual *A
ctiveBrake Assist is malfunctioning.
#Visit aq ualified specialis tworks hop.
PRE-SAFE Impulse Side
Inoperative See Operator's
Manual *
PRE-SAFE
®Impulse Side is malfunctioning or inoperativ eafter having already been triggered.
#Vi sit aq ualified specialis tworks hop.
PRE-SAFE Inoperative See
Operator's Manual *
PRE‑SAFE
®functions ar emalfunctioning.
#Consult aqualified specialis tworks hop.
360
Displa ymessages and warning/indicator lamps
Page 376 of 446

Displaymessages
Possible causes/consequences and MSolutions
Active Lane Keeping Assist
Camera View Restricted
See Operator' sManual *V
ehicles without Steering Pilo t:
The camer aviewisr educed. Possible causes are:
RDir tont he windshield in thec amera's field of vision
RHeavy rain, sno worfog
Driv ings ystems and driving saf etys ystems ma ybem alfunctioning or temp orarily una vailable.
When thec auses no longer apply ,driving sy stems and driving saf etys ystems ar eavailable again.
If th ed ispla ymessag edoes no tdisappear:
#Pull overand stop thev ehicle safely ,paying attention toroad and traf ficc onditions.
#Cleant he windshield.
Blind Spot Assist Currently
UnavailableS ee Operator's
Manual *B
lind Spo tAssis tist emporaril yunavailable.
The sy stem limits ha vebeen reached (
→pag e188).
#Driv eon.
When thec auses no longer appl y,thes ystemw ill be available again.
or
#If th ed ispla ymessag edoes no tdisappear ,pull ove rand stop thev ehicle while paying attention toroad and
traf ficc onditions and restar tt he engine.
#If necessar y,clean thes ensor sintherear bumper.
37 4
Displ aymessage sand warning/indicator lamps
Page 377 of 446

Displaymessages
Possible causes/consequences and MSolutions
Blind Spot Assist Not Avail-
able When Towing aTrailer
See Operator' sManual *W
hen youe stablish thee lectrical connection tothet railer ,Blind Spo tAssis tisu navailable.
#Press thel eft-hand side of Touc hC ontrol and confir mthe displa ymessage.
Blind Spot Assist Inopera-
tive *B
lind Spo tAssis tism alfunctioning.
#Visit aq ualified specialis tworks hop.
Active Blind Spot Assist
Currently Unavailable See
Operator's Manual *A
ctiv eBlind Spo tAssist istemp orarily una vailable.
The sy stem limits ha vebeen reached (
→pag e188).
#Driv eon.
When thec auses no longer appl y,thes ystemw ill be available again.
#Ifth ed ispla ymessag edoes no tdisappear ,pull ove rand stop thev ehicle while paying attention toroad and
traf ficc onditions and restar tt he engine.
Active Blind Spot Asst. Not
Available When Towing a
Trailer See Operator's Man-
ual *W
hen youe stablish thee lectrical connection tothet railer ,Activ eBlind Spo tAssistis una vailable.
#Press thel eft-hand side of Touc hC ontrol and confir mthe displa ymessage.
Active Blind Spot Assist
Inoperative *A
ctiveBlind Spo tAssist is malfunctioning.
#Visit aq ualified specialis tworks hop.
Displa ymessages and warning/indicator lamps 37
5
Page 379 of 446

Displaymessages
Possible causes/consequences and MSolutions
Cruise Control Off *C
ruise control has been deactivated.
If th er eisana dditional warning tone, cruise control hasb eens witched of fautomatically (
→pag e157).
Cruis eControl Inoperative *C
ruise control is malfunctioning.
#Consult aqualified specialis tworks hop.
Parking Pilot Maneuvering
Assistance Restricted See
Operator's Manual *P
arkin gPilota nd Parking Assis tPARKTRONIC are temp orarily una vailable. The ambientc onditionsareoutside the
sy stem border s(
→page179). Be wareofthee ntir evehicle sur roundings.
#As soonast he ambient conditions ar ewithin thes ystem borders, thes ystemw ill become available again.
Parking Pilot and
PARKTRONIC Inoperative
See Operator's Manual *P
arkin gPilota nd Parking Assis tPARKTRONIC are malfunctioning.
#Pull overand stop thev ehicle safely ,paying attention toroad and traf ficc onditions and restar tt he engine.
#Ifth ed ispla ymessag econtinues tobe displa yed, consult aqualified specialis tworks hop.
Example:Parking Pilot Park-
ing Canceled *P
arkin gassis tance sy stems from theP arking Pilo twerei nter rupte d.Youh ave opened thed rive r's door or touched
th es teering wheel, fore xamp le.
#Steer and brak emanuall y.
Displaymessage sand warning/indicator lamps 37
7
Page 380 of 446

Engine
Displaymessages
Possible causes/consequences and MSolutions
Check Coolant Level See
Operator' sManual *T
he coolant le velist oo lo w.
* NO
TEEngine damage duetoinsuf ficient coolant
#Av oid long journe yswit hinsuf ficient coolant.
#Ad dc oolant .
?
Coolant Too Hot Stop Vehi-
cle Turn Engine Off *T
he coolant is tooh ot.
#Pull overand stop thev ehicle safely and switc hoffthee ngine, paying attention toroad and traf ficc onditions.
&
WARNING Danger of burn swhen opening thee ngine hood
If yo uo pen thee ngine hood when thee ngine has overheated or during afireint he engine compartment, you
could come int ocontact wi thhotg ases or other escaping operating fluids.
#Befor eopening thee ngine hood, allo wthe engine tocool down.
#Inthee vent of afireint he engine compartment, keep thee ngine hood closed and call thef ires ervice.
#Wa it until thee ngine has cooled down.
#Mak esuret hat thea ir supply tother adiator is no tobstructed.
#Avoiding high loads on thee ngine, driv eontothe neares tqualified specialis tworks hop. When doing so, ensure
th at thec oolant temp eratur edispla yremain sbelo w2 48 °F (120 °C).
378
Displ aymessage sand warning/indicator lamps
Page 381 of 446
Displaymessages
Possible causes/consequences and MSolutions
?
*Thefanm otorisf aulty.
#Avoiding high loads on thee ngine, driv eontothe neares tqualified specialis tworks hop. In doing so, ensur ethat
th ec oolant temp eratur edispla yremain sbelo w2 48 °F (120 °C).
#
See Operator's Manual *T
he batter yisnotbeing charge d.
* NO
TEPossible engine damag eifyou continue driving#Do no tcontin ue dr ivingunder an ycircum stances.
#Consult aqualified specialis tworks hop.
#Stop thev ehicle immediately ,paying attention toroad and traf ficc onditions ,and switc hoffthee ngine.
#Consult aqualified specialis tworks hop.
#
Start Engine See Opera-
tor's Manual *T
he engine is of fand theb atter ychar geleve list oo lo w.
#Switc hoffelectrica lconsumer sthat ar enotrequ ired.
#Leavethee ngine running foraf ewminutes, or driv efor alonger dis tance.
The batter yisbeing charge d.
Displa ymessages and warning/indicator lamps 37
9
Page 382 of 446
Displaymessages
Possible causes/consequences and MSolutions
#
Stop vehicle See Opera-
tor's Manual*T
he batter yisnolonger being charge da nd theb atter ychar geleve list oo lo w.
* NO
TEPossible engine damag eifyou continue driving#Do no tcontin uedrivingu nder an ycircum stances.
#Consult aqualified specialis tworks hop.
#Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions .Donot
continu edriving under an ycircums tances.
#Switc hoffthee ngine.
#Consult aqualified specialis tworks hop.
#
Stop Vehicle Leave Engine
Running *T
he batter ychar geleve list oo lo w.
#Pulloverand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions .Donot
continu edriving under an ycircums tances.
#St artt he engine.
#Wa it until thed ispla ymessag edisappear sbefor epulling away.
380
Displa ymessages and warning/indicator lamps
Page 383 of 446
Displaymessages
Possible causes/consequences and MSolutions
4
Check Engine Oil At Next
Refueling*T
he engine oil le velh as dropped tothem inimum le vel.
* NO
TEEngine damage causedbydriving wit hinsuf ficient engine oil#Av oid long journe yswit hinsuf ficient engine oil.
#Chec kthe engine oil le velw hen next refueling.
Ad de ngin eoil (
→pag e281).
No tesone ngine oil (
→page346).
8
Gas Cap Loose *T
her ehas been pressur eloss in thef uel sy stem. The fuel filler cap is no tclosed cor rectl yort he fuel sy stem is
leaking.
#Close thef uel filler cap.
#If th ef uel filler cap wasa lready proper lyclosed: consultaqualified specialis tworks hop.
8
Fuel Level Low *T
he fuel le velh as dropped int othe reser verange.
#Re fuel.
Displ aymessage sand warning/indicator lamps 381