#
Immedia tely rinse su rfaces that com ein
con tact wi thDEF when filling wit hwater
or remo veDEF wi thad am pcloth and
col dw ater.
If DEF has alread ycrystallized, clean using a
spon geand col dwater. If
yo uo pen theD EFtank ,small amounts of
ammoni avapor ma ybereleased. Do no tinhale
an ya mmonia vapor that ma ybereleased. Fill the
DEF tank only in well-ventilated areas.
DEF consum ption and filling capacity
DEF consum ption
Lik efuel consum ption, DE Fconsum ption is highly
dependent upon driving stylea nd operating con‐
ditions. DEFc onsumption is usuall ywithin a
ra ng eof0a nd10%oft he fuel consum ption. If
necessar y,DEF mu stbe refilled in acco rdance
wit hthe instructions when ther efill messag eis
displa yedint he instrument clus ter.This ma yalso
be necessar ybetwe en thes cheduled mainte‐
nance.
To tal capacity of DEF tank Ve
hicl eT otal capacity
All model s5 .8gal(22 liter s) Exhau
stgasa ftertreatment
The vehicle mus tbeoperated wit hDEF if the
ex haus tgas af tertre atment sy stem is tofunction
cor rectl y.
If yo uo perat ethe vehicle without DEF or with
emissions-rele vant malfunctions ,the legal MOT
appr oval is in validated. The vehicle could be pro‐
hibited from publicr oad usebyan of ficia lordi‐
nance.
It ma ybei mprop eror punishable in some coun‐
tries tooperat eavehicle that uses no DE Forone
th at does no tcompl ywitht he specifications of
th ese operating instructions.
Engine management monitor sthe exhaus tgas
af te rtre atment component sfor compliance with
emiss ions la wsand regulations. If youa ttem ptto
operat ethe vehicle without DEF ,withd iluted DEF
or wit hadiffe re nt reducing agent ,this will be
de tected bythee ngine management sy stem.
Other emissions- releva nt malfunctions ,e.g.
me tering malfunctions or sensor er rors,a re also
de tected and log ged. The engin
emanagement sy stem subsequently
pr eve nts thee ngine being restar teda fter issuing
aw arning message.
Therefor eadd DE Ftank regular lyduring vehicle
operation or ,atthe latest, af terr eceiving thef irst
wa rning messag eviathei nstrument clus ter. Engine oil
Note
sone ngine oil
Obser vethen otes on operating fluids
(/ page254). *
NO
TEEngine damag ecaused byan
incor rect oil filter ,incor rect oil or addi‐
tives #
Do no tuse engine oil soroilfilter sother
th an those whic hmeetthe specifica‐
tions necessar yfor thep rescribed
service inter vals. #
Do no talter thee ngine oil or oil filter in
order toachie velonger chang einter vals
th an presc ribed. #
Do no tuse additives. #
Have thee ngine oil changed af tert he
prescribed inter vals. Mercedes-Benz
recommends having theo il
ch anged at aqualified specialis tworks hop.
Fu rther information on engine oil and oil filter:
R intheMBS pecification sfor operating fluidsat
http://be vo.mercedes-benz.com (b yentering
th ed esignation)
R ataq ualified specialis tworks hop 258
Tech nica ldata
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: 272
Displaymessa gesa nd warning and indicator lamps
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions #
Stop in accordance wit hthe tra ffic conditions. #
Clean all sensor s(/pag e202). #
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. Displa
ymessages and warning and indicator lamps 273
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 e202). #
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). 276
Displaymessa gesa nd warning and indicator lamps
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 (/ page208). #
Stop thev ehicle in accordance wit hthe tra ffic conditions. #
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 epressure. Displa
ymessages and warning and indicator lamps 283
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
Adaptive Highbeam
Assist Inoperative *A
daptiv eHighbeam Assis tismalfunctioning. #
Visit aq ualified specialis tworks hop.
0049
Switch On Headlamps *Y
ou ar edriving without alow beam. #
Turn thel ight switc htoposition 0058.
or #
Turn thel ight switc htothe0058 position.
0049
Switch Off Lights *Y
ou ar eleaving thev ehicle and thel ight is still switched on. #
Turn thel ight switc htoposition 0058.
0049
Auto Lamp Function
Inoperative *T
he light sensor is malfunctioning. #
Visit aq ualified specialis tworks hop.
0049
Malfunction See Opera-
tor’s Manual *T
heexterior lighting is malfunctioning. #
Visit aq ualified specialis tworks hop.
* Ve hicles with traile rhitch:af use mayhaveb lown. #
Stop in accordance wit hthe tra ffic conditions. #
Chec kthe fuses, and replace them if necessary(/ page218).
0049
Check Left Low
Beam (exa mp le) *T
he bulb in question is faulty. #
Visit aq ualified specialis tworks hop.
or #
Chec kwhether changing theb ulb is permitted. Indicator and
warning lamps Overvie
wofindicator and warning lamps When
thei gnition is switched on, man ysystems
per form aself-test. Som eindicator and warning
lamps ma yswitc honorf lashtemp oraril yduring
th is time. This behavior is no cause fora larm.
These indicator and warning lamps indicat ea
malfunction onl yiftheylight up or flash af tert he
engine has been star tedord uringajourne y.
Indicator and warning lamps:
0058 Lo
wb eam (/ page84)
0060 Pa
rking lamps (/ page84)
0057 High beam (/
page 85)
003E003D Tu
rn signal lights (/ page85)
005E Re
ar fogl ight (/ page84) 00E9
Seat bel
tnotfast ened
(/ page296)
0027 and
004D USA: Brakes (red) (/
page290)
004D Canada: Brakes (red) (/
page290)
004D Brakes (yellow) (/
page290)
0025 ABS malfunction (/
page290)
002E Off-road
gear
00E5 ESP®
(/ page290)
00BB ESP®
OFF (/ page290)
00D4 Ac
tiveB rake Assi stswitched off
(/ page148)
0049
and 0024 USA: Electric parking brak
eapplied
(red) (/ page290) Displa
ymessages and warning and indicator lamps 289
Engine
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00AC
Coolant warning lamp The
redc oolant warning lam plight supw hilethee ngine is running.
* Po ssible causes:
R temp eratur esensor malfunctioning
R coolant le veltoo low
R air suppl ytothe engine radiator obstructed
R engin eradiator fanf aulty
If aw arning tone also sounds, thec oolant has exceeded thet empera‐
tur eof2 48 °F (120 °C). &
WARNING Danger of bu rnsw hen opening theh ood
If yo uo pen theh ood when thee ngine has overheated or during a
fi re inthee ngine compartment, youc oul dc om eintoc ontact wi th
ho tg 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. #
Stop immediately in accordance wit hthe traf ficc onditions and
switc hoffthee ngine. Do no tcontinue driving. #
Obser vethem essages on them ultifunction displa y.
If th ec oolant temp eratur edispla yisatt he lowerend of thet empera‐
tur es cale: #
Consult aqualified specialis tworks hop.
Otherwise: #
Leavethev ehicle and keep asafed ista nce from thev ehicle until
th ee ngine has cooled down. #
Chec kthe coolant le vel(/ page196). #
Ensur ethat thea ir supply tothee ngine radiator is no tobstructed. #
Without subjectin gthe engine toexc essiv estrain, continue tothe
nea rest qu alified specialis tworks hop. Ensur ethat thec oolant
te mp eratur edispla yremain sbelo w2 48 °F (120 °C).
003D
Electrical malfunction
wa rning lamp The elect
rical malfunction redw arning lam plight sup.
*A malfunction has occur redint he electrics. #
Read them essages on them ultifunction displa y.
00D4
Fu elreser vewarning
lamp The fuel
reser veyello ww arning lam plight supw hilethee ngine is on.
*T he fuel suppliesh avereached ther eser veleve l. #
Refuel. Displ
aymessa gesa nd warning and indicator lamps 297
Anti-thef
tprotection
see ATA( Anti -Thef tAlarms ystem)
Ashtr ays
In thew indshield stowagec om‐
partment ............................................ 79
ASR (acceleration skid cont rol) .......... .147
Assistance graphic (on-board com‐
puter) ..................................................... 172
ASS YSTP LUS ........................................ 19 2
Batter ydisconnection period s.......... 19 2
Displ aying thes ervice due dat e........ 19 2
Fu nction/no tes. ............................... 19 2
Re gular maintenance work ............... 19 2
Special service requirements .......... .192
ATA (Anti-Thef tAlarms ystem) .............. .61
Ac tivating/deactivating thei nterior
motion sensor .................................... 63
Fu nctio n.............................................. 61
Interior motion sensor function .......... 63
St opping thea larm. ............................ 62
Switching thet ow -awa ya larm
on/of f............................................... .62
To w- aw ay alar mfunction .................... 62
At tachments .......................................... .21
AT TENTION ASSI ST............................... 15 6
Ac tivating/deactivating .................... 157
Fu nctio n........................................... 15 6
Sy stem limitations ............................1 56
Au dio settings
Balance and fader ............................ 180
Equalizer ........................................... 180
Playbac koptions .............................. 182
Au thorized workshop
see Qualified specialis tworks hop
Au tomatic distanc econtrol
se eA ctiv eDista nce Assi stDISTRONIC
Au tomatic drivin glights ........................ 84
Au tomatic transmission
DIRECT SELEC Tleve r........................ 12 2
Engaging driv eposit ion. ................... 12 3
Engaging neutral ............................... 12 2
Engaging reve rseg ear ...................... 12 2
Kickdown .......................................... 124
Re stricting thes hiftrang e................ 124
Selecting pa rkposition .....................1 23
Tr ansmission position displa y........... 12 2
Tr ansmission position s..................... 12 2
Au xiliar yheating ..................................1 05
Fu nctio n........................................... 105
Axle load .............................................. .252 B
Bac ksupport
see Lumbar suppor t(4-w ay)
BA S(Brak eAssis tSystem) .................. 14 6
Battery Charging ........................................... 209
Charging avehicle batter y................2 09
Disconnecting thea uxiliar ybattery
in thee ngine compartmen t.............. 214
Disconnecting thes tarter batter y..... 212
Jump-s tarting (vehicle) ..................... 209
Ke y. .................................................... 47
No tes( vehicle) ................................. 208
Re moving or ins talling thes tarter
batter y.............................................. 213
St arterb atter y.................................. 211
Batter ymain switch
No tes. ............................................... 12 0
Switching po wersupply on/of f......... 121
Belt see Sea tbelt
Bel twarning
see Sea tbelt
Blind Spo tAssist .................................. 157
Ac tivating/deactivating .................... 15 9
Fu nctio n........................................... 157
Re ar Cross Traf ficA lert. ................... 15 9
Sy stem limitations ............................1 57
Blue tooth ®
audio equipment
St artin gplaybac k............................. .181
Bottle holder ........................................... 78
Brake ABS (Anti-lo ckBraking Sy stem) ........ 14 6
Ac tivating/deactivating theH OLD
function ............................................ 15 5
Ac tiveB rake Assi st........................... 14 8
BA S(Brak eAssistSystem) ............... 14 6
Braking wi thparkin gbrake :. ............ .114
Downhil lgradien t.............................. 11 4
Driving no tes. ............................ 111,114
EBD (electroni cbrake forc ed istri‐
bution) ..............................................1 48
Heavy and light loads ........................ 11 4
HOLD functio n.................................. 154
Ne wb rake discs and brak epads/
linings ............................................... 11 4
Re stricted braking ef fect (salt-trea‐
te dr oads) .........................................1 14
We troad sur faces ............................ .114
Brak eAssis tSystem
see BAS(Brak eAssistSystem) Index
301