MERCEDES-BENZ GL 2016 Owners Manual

Display messages
Possible causes/consequences and P Solutions
Radar Sensor s
Dirty See Opera‐
tor's Manual At leas t on e of th e following drivin g systems or drivin g safet y sys-
tems is temporarily restricted or inoperative: R
PRE-SAF E ®
Brake R
Active Lan e Keepin g Assis tR
Active Blind Spot Assis t
If th e rada r sensor system in fron t is dirty, Active Blind Spot Assis t
will no t perform a course-correcting brak e application .
Possibl e causes are: R
th e sensor s in th e radiato r trim and/o r in th e bumpers are dirtyR
th e function of th e drivin g system and/o r drivin g safet y system
is impaire d due to heav y rain or snow.
A warnin g tone also sounds.
Whe n th e causes state d abov e no longer apply, th e display mes -
sage disappears. Al l drivin g systems and drivin g safet y systems
are operative again .
If th e display message does no t disappear :X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Switc h of f th e engine.X
Clean th e sensor s in th e following location s ( Y
page 380):R
in th e radiato r trim R
in th e fron t bumper R
in th e rear bumper, particularl y in th e middle of th e rear
bumper X
Restart th e engine.
The display message disappears.
u Restraint sys . mal ‐
function Consul t
workshop The restrain t system is faulty.
The u warnin g lamp also lights up in th e instrumen t cluster.
G WARNIN G
The air bags or Emergency Tensioning Devices may either be trig-
gered unintentionally or, in th e event of an accident, may no t be
triggered .
There is an increase d ris k of injury.X
Visit a qualified specialist workshop .
Observ e th e additional information on restrain t systems
( Y
page 44) . Display messages 29 9
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
u Front lef t malfunc‐
tio n Consul t work‐
sho p or Front right
malfunction Con ‐
sul t workshop The restrain t system has malfunctioned at th e fron t on th e lef t or
right . The u warnin g lamp also lights up in th e instrumen t clus-
ter.
G WARNIN G
The air bags or Emergency Tensioning Devices may either be trig-
gered unintentionally or, in th e event of an accident, may no t be
triggered .
There is an increase d ris k of injury.X
Visit a qualified specialist workshop .
u Rea r lef t malfunc‐
tio n Consul t work‐
sho p or Rea r right
malfunction Con ‐
sul t workshop The restrain t system has malfunctioned at th e rear on th e lef t or
right . The u warnin g lamp also lights up in th e instrumen t clus-
ter.
G WARNIN G
The air bags or Emergency Tensioning Devices may either be trig-
gered unintentionally or, in th e event of an accident, may no t be
triggered .
There is an increase d ris k of injury.X
Visit a qualified specialist workshop .
u Rea r Center Mal ‐
function Servic e
Required The restrain t system has malfunctioned at th e rear center. The
u warnin g lamp also lights up in th e instrumen t cluster.
G WARNIN G
The air bags or Emergency Tensioning Devices may either be trig-
gered unintentionally or, in th e event of an accident, may no t be
triggered .
There is an increase d ris k of injury.X
Visit a qualified specialist workshop .
u Lef t Sid e Curtai n
Airbag Malfunction
Servic e
Required or R igh t
Sid e Curtai n Air ‐
bag Malfunction
Servic e Required There is a malfunction in th e left-han d or right-hand window cur -
tai n air bag. The u warnin g lamp also lights up in th e instrumen t
cluster.
G WARNIN G
The lef t or right window curtai n air bag may either be triggered
unintentionally or, in th e event of an accident, may no t be trig-
gered.
There is an increase d ris k of injury.X
Visit a qualified specialist workshop .300
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
Front Passenger
Airbag Disabled
See Operator' s Man ‐
ual
See Operator' s Man ‐
ual The front-passenger air bag is deactivated during th e journey, eve n
though : R
an adult
or R
a person of th e correspondin g stature is on th e front-passenger
seat
If additional forces are applied to th e seat , th e system may inter-
pre t th e occupant's weight as lowe r than it actually is.
G WARNIN G
The front-passenger air bag does no t deploy during an accident.
There is an increase d ris k of injury.X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Switc h th e ignition off. X
Hav e th e occupant get out of th e vehicle.X
Kee p th e seat unoccupied , close th e front-passenger doo r and
switch on th e ignition .X
Observ e th e PASSENGER AI R BA G OF F indicato r lamp in th e
center console and th e multifunction display and chec k th e fol-
lowing:
Seat unoccupied and ignition switched on :R
th e PASSENGER AI R BA G OF F indicato r lamp mus t then ligh t up
and remain lit . If th e indicato r lamp is on , OCS has disabled th e
front-passenger fron t air bag ( Y
page 54)R
th e Front Passenger Airbag Disabled See Operator' s
Manual or Front Passenger Airbag Disabled See Oper‐
ator's Manual display message s mus t no t be shown in th e
multifunction display X
Wait fo r a period of at leas t 60 seconds until th e necessar y sys-
te m checks hav e been completed.X
Mak e sur e that th e display message s do no t appea r in th e mul-
tifunction display.
If these condition s are fulfilled , th e front-passenger seat can be
occupied again . Whether th e PASSENGER AI R BA G OF F indicato r
lamp remain s lit or goe s out depend s on how OCS classifie s th e
occupant .
If th e condition s are no t fulfilled , th e system is no t operating cor-
rectly. X
Visit a qualified specialist workshop immediately. Display messages 30 1
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
Front Passenger
Airbag Enable d See
Operator' s Manual
See Operator' s Man ‐
ual The front-passenger air bag is enabled during th e journey, eve n
though : R
a child, a small adult or an objec t weighin g less than th e sys-
tem' s weight threshold is locate d on th e front-passenger seat
or R
th e front-passenger seat is unoccupied
The system may detec t objects or forces applying additional
weight on th e seat .
G WARNIN G
The air bag may deploy unintentionally.
There is an increase d ris k of injury.X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Switc h th e ignition off. X
Ope n th e front-passenger door. X
Remove th e child and th e child restrain t system from th e front-
passenger seat .X
Mak e sur e that there are no objects on th e seat addin g to th e
weight .
The system may otherwise detec t th e additional weight and
interpret th e seat occupant's weight as greate r than it actually
is. X
Kee p th e seat unoccupied , close th e front-passenger doo r and
switch on th e ignition .X
Observ e th e PASSENGER AI R BA G OF F indicato r lamp in th e
center console and th e multifunction display and chec k th e fol-
lowing:
Seat unoccupied and ignition switched on :R
The PASSENGER AI R BA G OF F indicato r lamp mus t then ligh t up
and remain lit . If th e indicato r lamp is on , OCS (Occupant Clas-
sification System) has disabled th e front-passenger air bag
( Y
page 54) R
The Front Passenger Airbag Enable d See Operator' s
Manual or Front Passenger Airbag Disabled See Oper‐
ator's Manual display message s mus t no t be shown in th e
multifunction display X
Wait fo r a period of at leas t 60 seconds until th e necessar y sys-
te m checks hav e been completed.X
Mak e sur e that th e display message s do no t appea r in th e mul-
tifunction display.302
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
If these condition s are fulfilled , th e front-passenger seat can be
occupied again . Whether th e PASSENGER AI R BA G OF F indicato r
lamp remain s lit or goe s out depend s on how OCS classifie s th e
occupant .
If th e condition s are no t fulfilled , th e system is no t operating cor-
rectly. X
Visit a qualified specialist workshop immediately.
Lights
i Vehicles wit h LE D bulbs in th e ligh t clusters :
The display message fo r th e correspondin g lamp only appears when all of th e LEDs in th e
lamp hav e failed.
Display messages
Possible causes/consequences and P Solutions
I Check Lef t Corner ‐
ing Light or Check
Right Cornering
Light The lef t or right-hand cornering ligh t is defective.X
Visit a qualified specialist workshop .
I Check Lef t Low
Bea m or Check
Right Low Bea m The lef t or right-hand low-beam headlamp is defective. X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 136).
or X
Visit a qualified specialist workshop .
I Traile r right tai l
lam p The lef t or right-hand trailer tai l lamp is faulty.X
Consult th e manufacturer' s operating instructions.
I Traile r lef t indi‐
cator or Traile r
right indicator The lef t or right-hand trailer tur n signal lamp is defective.X
Consult th e manufacturer' s operating instructions.
I Traile r brake lam p The trailer brak e lamp is defective.X
Consult th e manufacturer' s operating instructions.Display messages 30 3
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
I Rea r lef t indica ‐
tor or Rea r right
indicator The rear left-han d or rear right-hand tur n signal is defective.X
Visit a qualified specialist workshop .
I Front lef t indica ‐
tor or Front right
indicator The fron t left-han d or fron t right-hand tur n signal is defective.X
Visit a qualified specialist workshop .
I Lef t mirror indica ‐
tor or Right mir ‐
ror indicator The tur n signal in th e left-han d or right-hand exterio r mirror is
defective. X
Visit a qualified specialist workshop .
I Third brake lam p The high-mounte d brak e lamp is faulty.X
Visit a qualified specialist workshop .
I Lef t brake lam p or
Right brake lam p The lef t or right-hand brak e lamp is defective.X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 137).
or X
Visit a qualified specialist workshop .
I Left-hand tai l
lamp/brak e lam p or
Right-han d tai l
lamp/brak e lam p The lef t or right-hand tai l lamp/brak e lamp is defective.X
Visit a qualified specialist workshop .
I Lef t hig h bea m or
Right hig h bea m The lef t or right-hand high beam is defective. X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 137).
or X
Visit a qualified specialist workshop .
I Licens e Plate Lam p The lef t or right-hand license plat e lamp is faulty.X
Visit a qualified specialist workshop .
I Rea r fog lam p The rear fo g lamp is faulty. X
Visit a qualified specialist workshop .304
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
I Front lef t parkin g
lam p or Front
right parkin g lam p The fron t lef t or fron t right parkin g or standin g lamp is defective.X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 137).
or X
Visit a qualified specialist workshop .
I Backup Light The backup lamp is defective. X
Visit a qualified specialist workshop .
I Front lef t sid e
marker lam p or
Front right sid e
marker lam p The fron t left-han d or fron t right-hand side marke r lamp is faulty.X
Visit a qualified specialist workshop .
I Lef t tai l lam p or
Right tai l lam p The lef t or right-hand tai l lamp is defective.
or
The rear left-han d or rear right-hand side marke r lamp is faulty.X
Visit a qualified specialist workshop .
I Check Lef t Daytim e
Runnin g Light or
Check Right Day ‐
tim e Runnin g Light The lef t or right-hand daytime running lamp is faulty. X
Visit a qualified specialist workshop .
I Active Light Sys ‐
tem inoperative The active ligh t function is faulty. X
Visit a qualified specialist workshop .
I Malfunction See
Operator' s Manual The exterio r lighting is defective. X
Visit a qualified specialist workshop .
Vehicles wit h trailer to w hitch : a fus e may hav e blown .X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Chec k th e fuses ( Y
page 400).X
If necessary, replac e th e blown fuse. Observ e th e warnin g notes.
If th e display message continues to be displayed: X
Visit a qualified specialist workshop .Display messages 30 5
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
I AUT O lights inoper ‐
ative The ligh t sensor is defective. X
Visit a qualified specialist workshop .
I Switch off lights You leav e th e vehicl e and th e ligh t is still switched on . A warnin g
tone also sounds. X
Tur n th e ligh t switch to th e X position .
Adaptive Highbeam
Assist Currently
Unavailable See
Operator' s Manual Adaptive Highbeam Assis t is deactivated and temporarily inoper -
ative. Possibl e causes are: R
th e windshield in th e camera' s field of vision is dirty.R
visibility is impaire d due to heav y rain , snow or fog.X
Clean th e windshield.
If th e system detects that th e camera is full y operational again , th e
Adaptive Highbeam Assist Now Available
message is dis-
played .
Adaptive Highbeam Assis t is operational again .
Adaptive Highbeam
Assist Inoperative Adaptive Highbeam Assis t is faulty.X
Visit a qualified specialist workshop .
Engin e
Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions
= Sto p Vehicl e See
Operator' s Manual The battery is no longer bein g charged and th e battery charg e level
is to o low.
A warnin g tone also sounds. X
Pull ove r and stop th e vehicl e safely and switch of f th e engine,
payin g attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Observ e th e instruction s in th e = See Operator' s Manual
display message .X
Consult a qualified specialist workshop .