Page 273 of 322

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions &
WARNING Risk of accident if thee lectrical parking brake
has insuf ficient holding force
If th ee lectrical parking brak edoes no thave sufficient holding
fo rc eonas teep incline, thev ehicle ma yroll away. #
Park thev ehicle on alevel sur face only and secu reit
agains trolling away. #
Shif tthe automatic transmission toposition 005D. Obser
vethen otes on parking thev ehicle (/ page132).
0024
Parking Brake See Oper-
ator's Manual *T
he on-boar dvoltag eisloworam alfunction has occur redint he
sy stem; thec losing forc em aynotbes ufficient fort he incline. &
WARNING Risk of an accident du etoabrake system mal‐
function
If th eb rake system is malfunctioning, braking characteristics
ma ybei mpaired. #
Driv eonc arefull y. #
Have theb rake system checkedi mmediately at aqualified
specialis tworks hop. #
Park thev ehicle on alevel sur face only and secu reit against
ro lling away. #
Vehicles with automatic transmission: shiftthe transmission
to position 005D. #
Have theb rake system checkedataq ualified specialis twork‐
shop immediatel y.
Chec kBrake Pads See
Operator's Manual *T
he brak epads 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. Displa
ymessages and warning and indicator lamps 249
Page 274 of 322

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions #
Stop in asafel ocation immediately .Donotcontinue driving. #
Consult aqualified specialis tworks hop. #
Do no tadd brak efluid.
Caution Brake sOverhea-
te dD rive Carefully *I
fthe all-wheel driv ehas been switched on, theb rake system can
ove rheat during extreme off-roa duse. #
Decele rate or stop and le tthe brak esystemc ool down.
Active Brake Assist Func-
tions Limited See 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 (/ page139). #
Continu edriving.
When thea mbient conditions ar ewithin thes ysteml imits, the
sy stem will be available again. #
Ifth ed ispla ymessag edoes no tgoout,stop in asafel ocation
and re-sta rt thee ngine.
Radar Sensors Dirt ySee
Operator's Manual *
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
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 ,proceed as follo ws: #
Stop in accordance wit hthe tra ffic conditions. #
Clean all sensor s(/pag e183). #
Re-sta rt thee ngine.
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 250
Displa ymessages and warning and indicator lamps
Page 275 of 322

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
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. #
Visit aq ualified specialis tworks hop immediately.
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 can increase 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. #
Continue driving carefully. #
Visit aq ualified specialis tworks hop immediately.
00E5 Currently Unavailable
See Operator's Manual *
ESP ®
is temp orarily una vailable.
Other driving sy stems and driving saf etys yst ems ma yalso be mal‐
functioning. &
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. #
Carefully driv esome gentle cur vesata bove19 mp h(30 km/h)
on asuitable stre tchofr oad. Displa
ymessages and warning and indicator lamps 251
Page 276 of 322

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions #
Ifth ed ispla ymessag edoes no tgoout, visit aqualified special‐
is tw orks hop immediately .Drive carefully when doing so.
0025
00E5
Currently Unavailable
See Operator's Manual *
ABS and ESP ®
aret emporarily una vailable.
Other driving sy stems and driving saf etys ystems ma yalso be tem‐
porarily una vailable. &
WARNING Risk of skidding if ABS and ESP ®
arem alfunc‐
tioning
If ABS and ESP ®
arem alfunctioning ,the wheels could loc kwhen
braking and ESP ®
cann otcar ryout 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 ABS and ESP ®
ch eckedi mmediately at aqualified
specialis tworks hop. #
Carefully driv esome gentle cur vesata bove19 mp h(30 km/h)
on asuitable stre tchofr oad. #
Ifth ed ispla ymessag edoes no tgoout, visit aqualified special‐
is tw orks hop immediately .Drive carefully when doing so.
0025
00E5
Inoperative See Opera-
tor's Manual *
ABS and ESP ®
arem alfunctioning.
Other driving sy stems and driving saf etys ystems ma yalso be mal‐
functioning.
The brak esystemc ontinues working wit hthe normal ef fect. The
braking dis tance can increase in eme rgency braking situations. &
WARNING Risk of skidding if ABS and ESP ®
arem alfunc‐
tioning
If ABS and ESP ®
arem alfunctioning ,the wheels could loc kwhen
braking and ESP ®
cann otcar ryout 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 ABS and ESP ®
ch eckedi mmediately at aqualified
specialis tworks hop. #
Continue driving carefully. #
Visit aq ualified specialis tworks hop immediately. 252
Displa ymessages and warning and indicator lamps
Page 277 of 322

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 (/ page141).
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 e142).
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 (/ page142). #
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 253
Page 278 of 322

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 e183). #
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). 254
Displaymessa gesa nd warning and indicator lamps
Page 279 of 322

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. Displa
ymessages and warning and indicator lamps 255
Page 280 of 322

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 rato rh as reached
th em aximum le vel. #
Drain thew ater separator (/ page180).
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.
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 (/ page176).
Obse rvet he no tesone ngine oil (/ page237).
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 *D
ispla ymessag efor cer tain engines only:
The engin eoil le velist oo lo w. 256
Displa ymessages and warning and indicator lamps