Page 377 of 422

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
0077
Tire Press. Sen. Missing *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 (/ page280). #
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 epressu re. #
Adjus tthe tir epressur eifn ecessar y. #
Stop in accordance wit hthe tra ffic conditions. #
Chec kthe tir epressur e(/pag e296) and thet ires. Displa
ymessages and warning and indicator lamps 353
Page 378 of 422

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
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 (/ page302).
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(/ page105).
00AF Key Not Detected (red
displa ymessa ge) *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.
R Youc anno tloc kt he vehicle centra lly. #
Ensur ethat thek eyis in thev ehicle.
If th ek eydetection function has amalfunction du etoastron gr adio
signal source, proceed as follo ws: #
Stop thev ehicle immediately ,paying attention toroad and traf‐
fi cc onditions. #
Place thek eyinthes lotf or startin gwitht he key( /pag e105).
00AF Key Not Detected (white
displa ymessage) *T
hekeyisc urrentl yn otdetected. #
Chang ethe key's position in thev ehicle. #
Ifth ek eyisstill no tdetected, star tt he engine wit hthe keyin
th es lot(/ page105).
00AF
Replace Key Battery *T
hekey's bat tery isflat. #
Chang ethe batter y(/pag e43). 354
Displa ymessages and warning and indicator lamps
Page 379 of 422

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00AF
Obtain aNew Key *T
hekeym ustber eplaced. #
Visit aq ualified specialis tworks hop. Ve
hicle Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00B2
Check Washer Fluid *W
asher fluid le velinw asherreser voir has fallen belo wthe minimum. #
Topupw asherfluid (/ page270). *A
tlea st one door is open. #
Close al lthe doors. *T
he hood is open. &
WARNING Risk of accident if thee ngine hood is unlatched
while driving
An unloc kede ngin ehood ma yopen up when thev ehicle is in
motion and bloc kyour vie w. #
Neveru nlatc hthe engine hood while driving. #
Befor eevery trip, ensur ethat thee ngine hood is latched. #
Stop in asafel ocation immediately. #
Close theh ood.
003B
Inoperative See Opera-
tor’s Manual *S
tationar yheating is temp orarily malfunctioning. #
When thev ehicle is at astandstill in ahorizontal position and
th ee ngine has cooled down: tr ytoswitchont hestationary
heating four times, leavin gagap of se veralm inutes between
eac hattem pt. #
Ifth es tationar yheating does no tswit ch on: visit aqualified spe‐
cialis tworks hop.
003B Inoperative Refuel Vehi-
cle *T
her eist oo little fuel in thef uel tank.The stationar yheating cannot
be swit ched on. #
Refuel thev ehicle.
003B
Inoperative Battery Low *T
he on-boar dvoltag eistoo lo w.
The stationar yheating has swit ched off. #
Driv eane xtende ddista nc eu ntil theb atter yhas been suf fi‐
ciently charge da gain. Displa
ymessages and warning and indicator lamps 355
Page 380 of 422

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
00CC
Steering Malfunction
Increased Physical Effort
See Operator's Manual *T
hesteering po werassi stanc eism alfunctioning. &
WARNING Risk of an accident du etoaltered steering char‐
acteristics
If th ep owe rassi stanc eoft hesteering fails partiall yorcom‐
ple tely,y ou will need touse mor eforce tosteer. #
If saf esteering is possible, driv eoncarefully. #
Visit or consult aqualified specialis tworks hop immedi‐
atel y. #
If saf esteering is possible, driv eoncarefully. #
Visit or consult aqualified specialis tworks hop immediately.
00CC
Steering Malfunction
Stop Immediately See
Operator's Manual *T
hesteering is malfunctioning. Steerability is heavily impaired. &
WARNING Risk of accident if steering capability is impaired
If th es teering does no tfunction as intended, thev ehicle's oper‐
ating saf etyisj eopardized. #
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. #
Stop in asafel ocation immediately .Donotcontinue driving. #
Consult aqualified specialis tworks hop.
Shift to 'P' or 'N' to Start
Engine *
Yo uh ave attem pted tostar tt he engine in transmission position 005B
or 005E. #
Shif tthe transmission toposition 005Dor005C.
To Engage Transmiss.
Position RFirst Depress
the Brake *
Yo uh ave triedtos hiftfromp osition 005Bor005C toposition 005E. #
Press theb rake pedal. #
Shif tthe transmission toposition 005E.
Air Conditioning Malfunc-
tion See Operator's Man-
ual *T
he climat econt rols yst em is functional, subject totemp orary
re strictions. The ai rquantity and fresh air suppl yarecontrolled
automaticall y. #
Have thec limat econt rols ystemc heckedataq ualified specialist
wo rkshop.
Auxiliary Battery Mal-
function *T
he bac kupb atter yfor thet ransmission is no tbeing charge d. #
Visit aq ualified specialis tworks hop. #
Until then, alw ayss hiftthe transmission toposition 005Dmanually
befor eyou switc hoffthee ngine. #
Befor eleaving thev ehicle, apply thep arking brake.
Reversing Not Possible
Servic eRequired *T
he transmission is malfunctioning. It is no longer possible toshift
to reve rseg ear. #
Visit aq ualified specialis tworks hop. 356
Displa ymessages and warning and indicator lamps
Page 381 of 422

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
Transmission Malfunc-
tion Stop *T
he transmission is malfunctioning. The transmission automatically
shifts toposition 005C. #
Stop in asafel ocation immediately. #
Shif tthe transmission toposition 005D. #
Consult aqualified specialis tworks hop.
0072
Vehicle Operational
Switch the Ignition Off
Before Exiting *Y
ou ar eabout toexitth ev ehicle while it is ready tostart. #
When youe xit thev ehicle, switc hoffthei gnition and take the
ke yw ithy ou. #
Ifyo udon otexitth ev ehicle, switc hoffthee lectrical consum‐
ers, e.g. thes eat heating. Otherwise, the1 2‑Volt‑batter ymay
discha rgea nd thev ehicle can only be star tedu sing aboos ter
batter y(jum pstart).
Servic eRequire dDoN ot
Shift Gears Visit Dealer *T
he transmission is malfunctioning. The transmission position can
no longer be changed. #
Ifth et ransmission is in position 005B,visitaqualified specialist
wo rkshop, without changing thet ransmission position. #
Fora llot her transmission positions, par kthe vehicle in asafe
location. #
Infor maq ualified specialis tworks hop or theb reakdown service.
Only Shift to 'P' when
Vehicle is Stationary *
The transmission can onl ybebrought int oposition 005Difth ev ehicle
is at astandstill.
NP ermanently Active
Risk of Rollin gAway *W
hile thev ehicle is rolling or driving ,the transmission wasshifted
to position 005C. #
Tostop, press theb rake pedal and, when thev ehicle is at a
st andstill ,shif tthe transmission toposition 005D. #
Tocontinu edriving, shi ftthet ransmission toposition 005Bor005E.
Driver's Door Open &
Transmission Not in P
Risk of Vehicle Rolling
Away *T
he driver's door is no tfull yc losed and thet ransmission is in posi‐
tion 005E,005Cor005B. #
When parking thev ehicle, shif tthe transmission toposition 005D.
Apply Brak etoShift
from 'P' *Y
ou ha vetrie dtos hifttoa differe nt transmissio nposition from posi‐
tion 005D. #
Press theb rake pedal. Vehicle locatin
ghas
been activated. Details:
see manual or associ-
ated mobile app. or
vehicle locatin gactiva-
ted –see manual or
mobile app. *T
hevehicle features activated services from Mercedes PRO.
Locatin gthe vehicle ma ybepossible as par tofMercedes PR Ocon‐
nect. #
Chec kthe status of thea ctivated services at http://
mercedes.pro. #
Ask thev ehicle owner fort he de tails. Displa
ymessages and warning and indicator lamps 357
Page 382 of 422

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions Step Not Extended See
Operator's Manualor
step not extended mal-
function
*T
he electrical step is not, or onl ypartially ,extended. #
Ensu rether eiss ufficient clea rance fort he electrical step. #
Open or close thes liding door again. #
Ifth ee lectrical step does no tcomple tely ex tend again, slide it in
manually (emergency release) (/ page53). #
Infor mpassen gers that thes tepism issing befor etheye xit the
ve hicle. Step Not Retracted See
Operator's Manualor
step not retracted mal-
function
*T
he electrical step is not, or onl ypartially ,retra cted. #
Ensu rether eiss ufficient clea rance fort he electrical step. #
Open or close thes liding door again. #
Ifth ee lectrical step does no tcomple tely retract again, slid eitin
manually (emergency release) (/ page53). Lights
Displa
ymessa ges
Possible causes/consequences and 0050 0050Solutions
Adaptive Highbeam
Assist Camera View
Restricted See Opera-
tor'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 orarily una vailable.
When thec auses ha vebeen eliminated, thed riving sy stems and
driving saf etys ystems ar eavailable again.
If th ed ispla ymessag edoes no tgoout: #
Stop in asafel ocation. #
Clean thew indshield.
Adaptive Highbeam
Assist Currently Unavail-
able See Operator's Man-
ual *A
daptiv eHighbeam Assis tistemporarily una vailable.
The sy stem limits ha vebeen reached (/ page82). #
Continue driving.
When thec auses ha vebeen eliminated, thes ystemw ill be avail‐
able again. The displa ymessage AdaptiveHighbeam Assist Now
Available appears.
Adaptiv eHighbeam
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 *Y
ou ar eleaving thev ehicle and thel ight is still switched on. #
Turn thel ight switc htoposition 0058. 358
Displa ymessages and warning and indicator lamps
Page 383 of 422

Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
Switc hOff Lights
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(/ page290).
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
wofwarningand indicator lamps When
thei gnition is switched on, man ysystems
per form aself-test. Som ewarning and indicator
lamps ma yswitc honorf lashtemp oraril yduring
th is time. This behavior is no cause fora larm.
These warning and indicator lamps onl ysignal a
malfunction if they light up or flash, onc ethe
engine has been star tedort hevehicle is in oper‐
ation.
Wa rning and indicator lamps:
0058 Lo
wb eam (/ page80)
0060 Pa
rking light (/ page80)
0057 High beam (/
page81)
003E003D Tu
rn signal (/ page81)
005E Re
ar fogl ight (/ page80)
00E9 Saf
etyb elt no tfas tened
(/ page365)
0027 and
004D USA: Brakes (red) (/
page360)
004D Canada: Brakes (red) (/
page360)
004D Brakes (yellow) (/
page360)
0025 ABS malfunctioning (/
page360)
002E Off-road
gear 00E5
ESP®
(/ page360)
00BB ESP®
OFF (/ page360)
00D4 Ac
tiveB rake Assi stdeactivated
(/ page140)
0049
and 0024 USA: Electric parking brak
eapplied
(red) (/ page360)(/pag e360)
0024 Canada: Electric parkin
gbrake
applied (red) (/ page360)
(/ page360)
0024 Electric parkin
gbrake (yellow)
(/ page360) (/ page360)
00CC Po
we r-assis teds teering malfunc‐
tionin g(/ pag e365)
003D Elect
rical malfunction
(/ page 366)
0075 Re
stra int sy stem (/ page360)
00B9 Chec
kEngine (/ page366)
00D4 Fu
elreser vewit hfuel filler flap loca‐
tio nindicator (/ page366)
00AC Coolan
ttoo hot/cold (/ page366)
00BA Dis
tance warning (/ page365)
0028 Preglow
0077 Ti
re pressur emonitor Displa
ymessages and warning and indicator lamps 359
Page 384 of 422

Saf
etys ystems Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
0024
and
0049
Elect ricp arkin gb rake
applied redi ndicator
lam p(USA) does no tlight
up
0024 Elect ricp arkin gb rake
applied redi ndicator
lam p(Canada) does not
light up
0024 Elect ricp arkin gb rake
malfunctionin gyellow
indicator lam plight sup Ve
hicles with electric parking brake: thee lectric parking brak ered
indicator lam pdoes no tlight up. The elect ricp arkin gb rake yello wi ndi‐
cator lam plight sup.
Meanin gofthe indicator lamps:
R The redi ndicator lam pdoes no tlight up: thee lectric parking brake
has been released.
R The yello wi ndicator lam plight sup:thee lectric parking brak eis
malfunctioning. #
Obser vethem essages on them ultifunction displa y. #
Switc hthe ignition of fand bac kon. #
Ifth em alfunction messag epersists, visit aqualified specialis twork‐
shop. #
Park thev ehicle only on le velg round and secur eitagains trolling
aw ay ( /pag e135).
0024 and
0049
Re de lectric parking
brak eapplied indicator
lam p(USA) lights up
0024
Re de lectric parking
brak eapplied indicator
lam p(Canada) lights up
0024 Ve
hicles with electric parking brake: ther ed and yello we lect ric
parking brak eindicator lamps light up.
Meaning of thei ndicator lamps:
R The rede lectric parking brak eindicator lam plights up: thee lectric
parking brak ehas been applied.
R The yello we lect ricp arkin gb rake indicator lam plight sup:thee lec‐
tric parking brak eismalfunctioning. #
Obser vethem essages on them ultifunction displa y. #
Switc hthe ignition of fand bac kon. #
Ifth em alfunction messag epersists, visit aqualified specialis twork‐
shop. #
If it is no tpossible torelease thee lectric parking brake, do no tdrive
th ev ehicle. 360
Displa ymessages and warning and indicator lamps