MERCEDES-BENZ GL-Class 2016 X166 Owner's Manual
Manufacturer: MERCEDES-BENZ, Model Year: 2016, Model line: GL-Class, Model: MERCEDES-BENZ GL-Class 2016 X166Pages: 462, PDF Size: 10.44 MB
Page 301 of 462

Display messagesPossible causes/consequences andMSolutions
Radar Sensors
Dirty See Opera‐
tor's Manual
At leaston eof th efollowing drivin gsystems or drivin gsafet ysys-
tems is temporarily restricted or inoperative:
RPRE-SAF E®Brake
RActive Lan eKeepin gAssis t
RActive Blind Spot Assis t
If th erada rsensor system in fron tis dirty, Active Blind Spot Assis t
will no tperform acourse-correcting brak eapplication .
Possibl ecauses are:
Rth esensor sin th eradiato rtrim and/o rin th ebumpers are dirty
Rth efunction of th edrivin gsystem and/o rdrivin gsafet ysystem
is impaire ddue to heav yrain or snow.
A warnin gtone also sounds.
Whe nth ecauses state dabov eno longer apply, th edisplay mes -
sage disappears. Al ldrivin gsystems and drivin gsafet ysystems
are operative again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 189).
XSwitchof fth eengine.
XClean th esensor sin th efollowing location s (Ypage 380):
Rin theradiato rtrim
Rin th efron tbumper
Rin th erear bumper, particularl yin th emiddle of th erear
bumper
XRestart th eengine.
The display message disap
pears.
6
Restraintsys.mal‐
function Consul t
workshop
The restraintsystem is faulty.
The 6 warnin glamp also lights up in th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be trig-
gered unintentionally or, in th eevent of an accident, may no tbe
triggered .
There is an increase dris kof injury.
XVisit aqualified specialist workshop .
Observ eth eadditional information on restrain tsystems
(
Ypage 44) .
Display messages299
On-board computer and displays
Z
Page 302 of 462

Display messagesPossible causes/consequences andMSolutions
6
Frontleftmalfunc‐
tionConsul twork‐
sho porFront right
malfunction Con ‐
sultworkshop
The restrain tsystem has malfunctioned at th efron ton th elef tor
right .The 6 warnin glamp also lights up in th einstrumen tclus-
ter.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be trig-
gered unintentionally or, in th eevent of an accident, may no tbe
triggered .
There is an increase dris kof injury.
XVisit aqualified specialist workshop .
6
Rearlef tmalfunc‐
tio nConsul twork‐
sho porRea rright
malfunction Con ‐
sultworkshop
The restrain tsystem has malfunctioned at th erear on th elef tor
right .The 6 warnin glamp also lights up in th einstrumen tclus-
ter.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be trig-
gered unintentionally or, in th eevent of an accident, may no tbe
triggered .
There is an increase dris kof injury.
XVisit aqualified specialist workshop .
6
RearCenter Mal ‐
function Servic e
Required
The restraintsystem has malfunctioned at th erear center. The
6 warnin glamp also lights up in th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be trig-
gered unintentionally or, in th eevent of an accident, may no tbe
triggered .
There is an increase dris kof injury.
XVisit aqualified specialist workshop .
6
LeftSid eCurtai n
AirbagMalfunction
Service
RequiredorRigh t
SideCurtai nAir ‐
bag Malfunction
Servic eRequired
There is amalfunction in th eleft-han dor right-hand window cur -
tai nair bag. The 6warnin glamp also lights up in th einstrumen t
cluster.
GWARNIN G
The leftor right window curtai nair bag may either be triggered
unintentionally or, in th eevent of an accident, may no tbe trig-
gered.
There is an increase dris kof injury.
XVisit aqualified specialist workshop .
300Display messages
On-board computer and displays
Page 303 of 462

Display messagesPossible causes/consequences andMSolutions
Front Passenger
Airbag Disabled
SeeOperator'sMan‐
ual
SeeOperator' sMan‐
ual
The front-passenger air bag is deactivated during th ejourney, eve n
though :
Ran adult
or
Raperson of th ecorrespondin gstature is on th efront-passenger
seat
If additional forces are applied to th eseat ,th esystem may inter-
pre tth eoccupant's weight as lowe rthan it actually is.
GWARNIN G
The front-passenger air bag does no tdeploy during an accident.
There is an increase dris kof injury.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 189).
XSwitchth eignition off.
XHav eth eoccupant get out of th evehicle.
XKee pth eseat unoccupied ,close th efront-passenger doo rand
switch on th eignition .
XObserveth ePASSENGER AI RBA GOF Findicato rlamp in th e
center console and th emultifunction display and chec kth efol-
lowing:
Seat unoccupied and ignition switched on :
RthePASSENGER AI RBA GOF Findicato rlamp mus tthen ligh tup
and remain lit .If th eindicato rlamp is on ,OCS has disabled th e
front-passenger fron tair bag (
Ypage 54)
RtheFront Passenger Airbag Disabled See Operator' s
ManualorFront Passenger Airbag Disabled See Oper‐
ator's Manualdisplay message smus tno tbe shown in th e
multifunction display
XWait fo r aperiod of at leas t60 seconds until th enecessar ysys-
te m checks hav ebeen completed.
XMak esur ethat th edisplay message sdo no tappea rin th emul-
tifunction display.
If these condition sare fulfilled ,th efront-passenger seat can be
occupied again .Whether th ePASSENGER AI RBA GOF Findicato r
lamp remain slit or goe sout depend son how OCS classifie sth e
occupant .
If th econdition sare no tfulfilled ,th esystem is no toperating cor-
rectly.
XVisit aqualified specialist workshop immediately.
Display messages30 1
On-board computer and displays
Z
Page 304 of 462

Display messagesPossible causes/consequences andMSolutions
Front Passenger
AirbagEnabledSee
Operator' sManual
SeeOperator' sMan‐
ual
The front-passenger air bag is enabled during th ejourney, eve n
though :
Rachild, asmall adult or an objec tweighin gless than th esys-
tem' sweight threshold is locate don th efront-passenger seat
or
Rth efront-passenger seat is unoccupied
The system may detec tobjects or forces applying additional
weight on th eseat .
GWARNIN G
The air bag may deploy unintentionally.
There is an increase dris kof injury.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 189).
XSwitchth eignition off.
XOpe nth efront-passenger door.
XRemove th echild and th echild restrain tsystem from th efront-
passenger seat .
XMakesur ethat there are no objects on th eseat addin gto th e
weight .
The system may otherwise detec tth eadditional weight and
interpret th eseat occupant's weight as greate rthan it actually
is.
XKee pth eseat unoccupied ,close th efront-passenger doo rand
switch on th eignition .
XObserveth ePASSENGER AI RBA GOF Findicato rlamp in th e
center console and th emultifunction display and chec kth efol-
lowing:
Sea
t unoccupied and ignition switched on :
RThe PASSENGER AIRBA GOF Findicato rlamp mus tthen ligh tup
and remain lit .If th eindicato rlamp is on ,OCS (Occupant Clas-
sification System) has disabled th efront-passenger air bag
(
Ypage 54)
RThe Front Passenger Airbag Enable dSee Operator' s
ManualorFront Passenger Airbag Disabled See Oper‐
ator's Manualdisplay message smus tno tbe shown in th e
multifunction display
XWait fo r aperiod of at leas t60 seconds until th enecessar ysys-
te m checks hav ebeen completed.
XMak esur ethat th edisplay message sdo no tappea rin th emul-
tifunction display.
302Display messages
On-board computer and displays
Page 305 of 462

Display messagesPossible causes/consequences andMSolutions
If these conditionsare fulfilled ,th efront-passenger seat can be
occupied again .Whether th ePASSENGER AI RBA GOF Findicato r
lamp remain slit or goe sout depend son how OCS classifie sth e
occupant .
If th econdition sare no tfulfilled ,th esystem is no toperating cor-
rectly.
XVisit aqualified specialist workshop immediately.
Lights
i
Vehicles wit hLE Dbulbs in th eligh tclusters :
The display message fo rth ecorrespondin glamp only appears when all of th eLEDs in th e
lamp hav efailed.
Display messagesPossible causes/consequences and MSolutions
b
Check LeftCorner ‐
ing LightorCheck
Right Cornering
Light
The lef tor right-hand cornering ligh tis defective.
XVisit aqualified specialist workshop .
b
Check LeftLow
Bea morCheck
Right Low Bea m
The leftor right-hand low-beam headlamp is defective.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 136).
or
XVisit aqualified specialist workshop .
b
Trailerrighttail
lamp
The lef tor right-hand trailer tai llamp is faulty.
XConsult th emanufacturer' soperating instructions.
b
Traile rlef tindi‐
catoror Traile r
right indicator
The leftor right-hand trailer tur nsignal lamp is defective.
XConsult th emanufacturer' soperating instructions.
b
Traile rbrake lam p
The trailer brak elamp is defective.
XConsult th emanufacturer' soperating instructions.
Display messages30 3
On-board computer and displays
Z
Page 306 of 462

Display messagesPossible causes/consequences andMSolutions
b
Rearlef tindica ‐
tororRea rright
indicator
The rear left-han dor rear right-hand tur nsignal is defective.
XVisit aqualified specialist workshop .
b
Front leftindica ‐
tororFront right
indicator
The fron tleft-han dor fron tright-hand tur nsignal is defective.
XVisit aqualified specialist workshop .
b
Leftmirrorindica ‐
tororRight mir ‐
ror indicator
The turnsignal in th eleft-han dor right-hand exterio rmirror is
defective.
XVisit aqualified specialist workshop .
b
Third brake lamp
The high-mountedbrak elamp is faulty.
XVisit aqualified specialist workshop .
b
Leftbrake lam por
Right brake lam p
The leftor right-hand brak elamp is defective.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 137).
or
XVisit aqualified specialist workshop .
b
Left-hand tail
lamp/brakelam por
Right-han dtai l
lamp/brak elam p
The lef tor right-hand tai llamp/brak elamp is defective.
XVisit aqualified specialist workshop .
b
Lefthig hbea mor
Right hig hbea m
The lef tor right-hand high beam is defective.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 137).
or
XVisit aqualified specialist workshop .
b
LicensePlate Lam p
The leftor right-hand license plat elamp is faulty.
XVisit aqualified specialist workshop .
b
Rearfog lam p
The rear fo glamp is faulty.
XVisit aqualified specialist workshop .
304Display messages
On-board computer and displays
Page 307 of 462

Display messagesPossible causes/consequences andMSolutions
b
Frontleftparkin g
lamporFront
right parkin glam p
The fron tlef tor fron tright parkin gor standin glamp is defective.
XChec kwhether you are permitte dto replac eth ebulb yourself
(
Ypage 137).
or
XVisit aqualified specialist workshop .
b
Backup Light
The backup lamp is defective.
XVisitaqualified specialist workshop .
b
Front leftsid e
marker lam por
Front right sid e
marker lamp
The frontleft-han dor fron tright-hand side marke rlamp is faulty.
XVisit aqualified specialist workshop .
b
Lefttai llam por
Right tai llam p
The lef tor right-hand tai llamp is defective.
or
The rear left-han dor rear right-hand side marke rlamp is faulty.
XVisit aqualified specialist workshop .
b
CheckLeftDaytim e
RunningLightor
Check Right Day ‐
timeRunnin gLight
The lef tor right-hand daytime running lamp is faulty.
XVisit aqualified specialist workshop .
b
Active Light Sys‐
tem inoperative
The active lightfunction is faulty.
XVisit aqualified specialist workshop .
b
Malfunction See
Operator'sManual
The exterio rlighting is defective.
XVisit aqualified specialist workshop .
Vehicles withtrailer to whitch : afusemay hav eblown .
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 189).
XCheckth efuses (Ypage 400).
XIf necessary, replac eth eblown fuse. Observ eth ewarnin gnotes.
If th edisplay message continues to be displayed:
XVisit aqualified specialist workshop .
Display messages305
On-board computer and displays
Z
Page 308 of 462

Display messagesPossible causes/consequences andMSolutions
b
AUTOlightsinoper ‐
ative
The ligh tsensor is defective.
XVisit aqualified specialist workshop .
b
Switch off lights
You leaveth evehicl eand th eligh tis still switched on . Awarnin g
tone also sounds.
XTur nth eligh tswitch to th eà position .
Adaptive Highbeam
Assist Currently
Unavailable See
Operator' sManual
Adaptive Highbeam Assis tis deactivated and temporarily inoper -
ative. Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rvisibility is impaire ddue to heav yrain ,snow or fog.
XClean th ewindshield.
If th esystem detects that th ecamera is full yoperational again ,th e
Adaptive Highbeam Assist Now Available
message is dis-
played .
Adaptive Highbeam Assis tis operational again .
Adaptive Highbeam
Assist Inoperative
Adaptive Highbeam Assis tis faulty.
XVisit aqualified specialist workshop .
Engine
Display messagesPossible causes/consequences and MSolutions
+
Check Coolant
Level See Opera‐
tor's Manual
The coolantlevel is to olow.
!Avoid makin glon gjourneys wit hto olittl ecoolan tin th eengin e
coolin gsystem. The engin ewill otherwise be damaged.
XAd dcoolant, observin gth ewarnin gnote sbefore doin gso
(
Ypage 373).
XIf you need to add coolan tmor eofte nthan usual, hav eth e
engin ecoolan tsystem checke dat aqualified specialist work-
shop.
?The fan motor is faulty.
XAt coolan ttemperatures belo w24 8 ‡ (120†), drive to th e
neares tqualified specialist workshop .
XAvoid subjecting theengin eto heav yloads ,e.g. drivin gin moun-
tainous terrain ,and stop-and-g otraffic.
306Display messages
On-board computer and displays
Page 309 of 462

Display messagesPossible causes/consequences andMSolutions
?
CoolantToo Hot
Sto pVehicl eTur n
Engine Off
The coolan tis to ohot .
A warnin gtone also sounds.
GWARNIN G
Do notdrive when your engin eis overheated. This can caus esom e
fluids whic hmay hav eleaked into th eengin ecompartmen tto
catch fire.
Steam from th eoverheated engin ecan also caus eserious burn s
whic hcan occur jus tby openin gth ehood.
There is aris kof injury.
XPull ove rand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 189).
XWait until th eengin ehas cooled down .
XMakesur ethat th eair supply to th eengin eradiato ris no t
blocked, e.g. by snow, slus hor ice .
XDo no tstart th eengin eagain until th edisplay message goe sout
and th ecoolan ttemperature is belo w24 8 ‡ (120†). Other -
wise ,th eengin ecould be damaged.
XPay attention to th ecoolan ttemperature display.
XIf th etemperature increase sagain ,visit aqualified specialist
workshop immediately.
Under normal operating condition sand wit hth especified coolan t
level, th ecoolan ttemperature may ris eto 24 8 ‡(120†).
#
SeeOperator' sMan‐
ual
The battery is no tbein gcharged.
A warnin gtone also sounds.
Possibl ecauses are:
Radefective alternato r
Ratorn poly-V-belt
Ramalfunction in th eelectronics
!Do no tcontinue driving. The engin ecould otherwise overheat .
XPull overand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 189).
XConsult aqualified specialist workshop .
Display messages307
On-board computer and displays
Z
Page 310 of 462

Display messagesPossible causes/consequences andMSolutions
#
StopVehicl eSee
Operator' sManual
The battery is no longer bein gcharged and th ebattery charg elevel
is to olow.
A warnin gtone also sounds.
XPull ove rand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 189).
XObserv eth einstruction sin th e# SeeOperator' sManual
display message .
XConsultaqualified specialist workshop .
4
Check Engine Oil
At NextRefueling
The engin eoil level has dropped to th eminimum level.
A warnin gtone also sounds.
!Avoid lon gjourneys wit hto olittl eengin eoil. The engin ewill
otherwise be damaged.
XChec kth eoil level when next refueling, at th elatest
(
Ypage 371).
XIf necessary, add engin eoil (Ypage 372).
XHav eth eengin echecke dat aqualified specialist workshop if
you need to add engin eoil mor eofte nthan usual.
Information on approve dengin eoils can be obtained from any
qualified specialist workshop or on th eInternet at http:/ /
bevo.mercedes-benz.com.
4
Check Engine Oil
Level (Ad d 1
quart)
Mercedes-AMG vehicles: th eengin eoil level is to olow.
!Avoid lon gjourneys wit hto olittl eengin eoil. The engin ewill
otherwise be damaged.
XChec kth eoil level when next refueling, at th elatest
(
Ypage 371).
XIf necessary, add engin eoil (Ypage 372).
XHav eth eengin echecke dat aqualified specialist workshop if
you need to add engin eoil mor eofte nthan usual.
Information on approve dengin eoils can be obtained from any
qualified specialist workshop or on th eInternet at http:/ /
bevo.mercedes-benz.com.
308Display messages
On-board computer and displays