MERCEDES-BENZ GLS 2018 Owners Manual
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Display messages
Possible causes/consequences and P Solutions
Front Passenger Air ‐
bag Enable d See
Operator' s Manual The front-passenger fron t air bag is enabled during th e journey, eve n
though : R
a child, a small adult or an objec t weighing less than th e system' s
weigh t 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 force s applyin g additional weigh t on
th e seat .
G WARNIN G
The front-passenger fron t air bag may deploy unintentionally.
There is an increased 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 161).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 might otherwise detec t th e additional weigh t and inter-
pre t th e seat occupant's weigh t as greate r than it actually is.X
Kee p th e seat unoccupied , close th e front-passenger door and
switch on th e ignition .X
Observ e th e PASSENGER AI R BA G indicator lamp s in th e center
console and th e multifunction display and chec k th e fo llowing:
Se at unoccupied and ignition switched on :R
a self-diagnosis is carrie d out . The PASSENGER AI R BA G OF F and
PASSENGER AI R BA G ON indicator lamp s mus t ligh t up simulta-
neousl y for approximately six seconds. R
th e PASSENGER AI R BA G OF F indicator lamp mus t then ligh t up
and remain lit after th e self-diagnosis . If th e indicator lamp is on ,
OCS has disabled th e front-passenger fron t air bag ( Y
page 52)R
th e Front Passenger Airbag Enable d See Operator' s
Manual or Front Passenger Airbag Disabled See Opera‐
tor's Manual display message s mus t no t be shown on th e mul-
tifunction display. X
Wait for a period of at least 60 seconds until th e necessar y system
checks hav e been completed.X
Mak e sur e that th e display message s do no t appear in th e multi-
function display.
If these condition s are fulfilled , th e front-passenger seat can be occu-
pied again . Whether th e PASSENGER AI R BA G OF F or ON indicator
lamp remain s lit or goe s out depend s on how OCS classifies th e occu-
pant.
If th e condition s are no t fulfilled , th e system is no t operating correctly.Display messages 25 9
On-board computer and displays Z
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Display messages
Possible causes/consequences and P SolutionsX
Visit a qualified specialist workshop immediately.
Fo r further information about th e Occupant Classification System, see
( Y
page 52).
Lights
i Vehicles wit h LE D bulbs in th e ligh t clusters :
The display message for th e correspondin g lamp only appear s 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 Low Bea m
(Example) The bulb in question is malfunctioning .X
Visit a qualified specialist workshop .
or X
Chec k whether you are permitte d to replace th e bulb yourself
( Y
page 120).
I Active Headlamps
Inoperative The active ligh t function is faulty.X
Visit a qualified specialist workshop .
I Intell . Light Sys ‐
tem Inoperative The Intelligent Light Syste m is faulty. The lights remain available with-
out th e Intelligent Light System. X
Visit a qualified specialist workshop .
I Malfunction See
Operator' s Manual The exterio r lighting is malfunctioning .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 161).X
Chec k th e fuses ( Y
page 352).X
If necessary, replace th e blown fuse. Observ e th e warning notes.
If th e multifunction display still shows th e display message :X
Visit a qualified specialist workshop .
I Malfunction See
Operator' s Manual The exterio r lighting is malfunctioning .X
Visit a qualified specialist workshop .
I Aut o Lam p Function
Inoperative The ligh t sensor is defective. X
Visit a qualified specialist workshop .260
Display messages
On-board computer and displays
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Display messages
Possible causes/consequences and P Solutions
I Switch Off Lights You leav e th e vehicl e and th e lights are switched on . A warning tone
also sounds. X
Turn th e ligh t switch to th e X position .
I Switch On Headlamps You are drivin g wit h low-beam headlamp s switched off .X
Turn th e ligh t switch to th e X or X position .
Adaptive Highbeam
Assist Currently
Unavailable See
Operator' s Manual Adaptive Highbea m Assis t is deactivated and temporarily inoperative.
Possibl e causes are: R
The windshield in th e camera' s field of vision is dirty.R
Visibilit y 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, th e Adap‐
tiv e Highbeam Assist Now Available message is displayed.
Adaptive Highbea m Assis t is operational again .
Adaptive Highbeam
Assist Inoperative Adaptive Highbea m Assis t is faulty.X
Visit a qualified specialist workshop .
Engine Display messages
Possible causes/consequences and P Solutions
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Display messages
Possible causes/consequences and P Solutions
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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 condition of charg e is
to o low.
A warning tone also sounds. X
Pull ove r and stop th e vehicl e safely and switch off th e engine, pay-
ing attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 161).X
Observ e th e instruction s in th e = See Operator' s Manual
display message .X
Consult a qualified specialist workshop .
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Display messages
Possible causes/consequences and P Solutions
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Drivin g systemsDisplay messages
Possible causes/consequences an d P Solutions
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Display messages
Possible causes/consequences and P Solutions
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Display messages
Possible causes/consequences and P Solutions
; Different . Loc k
Sys . Malfunction The differential loc k is faulty.X
Do no t drive at speeds abov e 50 mph (80 km/h).X
Visit a qualified specialist workshop .
; Different . Lockin g
Sys . Coolin g Dow n
Please Wai t The differential loc k is to o hot and has been disengaged .X
Drive on carefully. X
Allow th e differential loc k to cool down .
The differential loc k re-engage s as soo n as it has cooled down .
LOW RANGE Sto p
Apply Parkin g Brake A gearshift process has been canceled. LOW RANGE is in th e neutral
position . There is no connection between th e engin e and th e drive
wheels. 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
Apply th e electric parking brake. Do no t continu e drivin g under any
circumstances. X
Repeat th e gearshift process.
LOW RANGE Malfunc‐
tio n To Park, Apply
Brake LOW RANGE is malfunctioning .X
Do no t drive at speeds abov e 50 mph (80 km/h).X
Whe n parking , secure th e vehicl e against rollin g away ( Y
page 161).X
Visit a qualified specialist workshop .
LOW RANGE Max .
Speed 25 mph You hav e exceeded th e maximum speed for th e gearshift process.X
Drive mor e slowly.
The gear chang e is made .
LOW RANGE Max .
Speed 40 mph You hav e exceeded th e maximum speed for th e gearshift process.X
Drive mor e slowly.
The gear chang e is made .
LOW RANGE Shift to
Position N Briefl y You hav e reduce d th e vehicl e speed, but th e automatic transmission
is no t in position \\ .X
Briefly shift th e automatic transmission to \\ .
LOW RANGE Shifting
Canceled Please
Reactivat e The gearshift process has been canceled. X
Repeat th e gearshift process.
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Display messages
Possible causes/consequences and P Solutions
Traffi c Sig n Assist
Currently Unavaila‐
ble See Operator' s
Manual Traffic Sig n Assis t is temporarily inoperative.
Possibl e causes are: R
The windshield in th e camera' s field of vision is dirty.R
Visibilit y 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, th e display
message disappears.
Traffic Sig n Assis t is operational again .
Traffi c Sig n Assist
Inoperative Traffic Sig n Assis t is malfunctioning .X
Visit a qualified specialist workshop .