MERCEDES-BENZ G-CLASS SUV 2018 Owners Manual

Display messages
Possible causes/consequences and M
MSolutions
J Check brake fluid level *T
here is insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driv‐
ing. #
Consult a qualified specialist workshop. #
Do not top up the brake fluid. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Do not top up the brake fluid. #
Consult a qualified specialist workshop.
Radar sensors dirty See
Owner's Manual *T
heradar sensor sy stem is malfunctioning. Possible causes:
R soiling of the sensors
R heavy rain or snow
R extended country driving wi thout other traf fic, e.g. in the desert
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable. 448
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. #
Clean all senso rs (/ page 386). #
Restart the engine.
!
÷
currently unavailable See
Owner's Manual *
ABS and ESP ®
are temp orarily una vailable.
Other driving sy stems and driving saf ety sy stems may also be temp orarily una vailable.
The brake sy stem continues tooperate normally. The braking dis tance may increase in an emergency braking situa‐
tion. &
WARNING Risk of skidding if ABS and ESP ®
are malfunctioning
If ABS and ESP ®
are malfunctioning, the wheels could lock when braking and ESP ®
cann otcar ryout vehicle
st abilisation.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may
increase in an emergency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have ABS and ESP ®
ch ecked immediately at a qualified specialist workshop. Display messages and
warning/indicator lamps 449

Display messages
Possible causes/consequences and M
MSolutions #
Carefully drive on a suitable stre tch of road, making slight steering mo vements at a speed abo ve30 km/h. #
Ifth e display message does not disappear, consult a qualified specialist workshop immediately. Drive carefully.
!
÷
inoperative See Owner's
Manual *
ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning.
The brake sy stem continues tooperate normally. The braking dis tance may increase in an emergency braking situa‐
tion. &
WARNING Risk of skidding if ABS and ESP ®
are malfunctioning
If ABS and ESP ®
are malfunctioning, the wheels could lock when braking and ESP ®
cann otcar ryout vehicle
st abilisation.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may
increase in an emergency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have ABS and ESP ®
ch ecked immediately at a qualified specialist workshop. #
Drive on carefully. #
Consult a qualified specialist workshop immediatel y.450
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
÷ inoperative See Owner's
Manual *
ESP ®
is malfunctioning
Other driving sy stems and driving saf ety sy stems may also be malfunctioning.
The brake sy stem continues tooperate normally. The braking dis tance may increase in an eme rgency braking situa‐
tion. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems
are switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. #
Drive on carefully. #
Consult a qualified specialist workshop immediatel y.
6
Left windowbag malfunc-
tion Consult work-
shop (Example) *T
he cor responding windowbag is malfunctioning (/ page 30). &
WARNING Risk of inju ryor fata l injury due toa malfunction in the window airbag
The window airbag might be triggered unintentionally or might not be triggered at all in theev ent of an accident
with high deceleration. #
Have the window airbag checked and repaired immediately at a qualified specialist workshop. Display messages and
warning/indicator lamps 451

Display messages
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop immediatel y.
Front-passenger airbag
enabled See Owner's Man-
ual *T
he front passenger airbag is enabled while theve hicle is in motion:
R even when a child, a small adult or an object weighing less than the sy stem weight thre shold is located on the
front passenger seat
R even when the front passenger seat is not occupied
The sy stem may de tect objects or forc es that are adding tothewe ight applied tothe seat. &
WARNING Risk of inju ryor fata l injury when using a child restra int sy stem while the front passenger airbag
is enabled
If yo u secure a child in a child restra int sy stem on the front passenger seat and the front passenger airbag is
enabled, the front passenger airbag can deploy in theev ent of an accident.
The child could be stru ck bythe airbag. #
Ensure, bo thbefore and during the journe y,that thest atus of the front passenger airbag is cor rect.
NEVER use a rear wa rdfacing child restra int on a seat pr otected byan ACTIVE FRONT AIRB AGin front of it;
DE ATH or SERIOUS INJU RYtotheCH ILD can occur. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check thest atus of the automatic front passenger airbag shutoff (/ page 40). #
If necessar y,consult a qualified specialist workshop immediatel y.452
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Front-passenger airbag dis-
abled See Owner's Manual *T
he front passenger airbag has been deactivated although an adult or a person with an adult stature is on the front
passenger seat. If additional forc es are applied tothe seat, thewe ight the sy stem de tects may be too lo w. &
WARNING ‑ Risk of inju ryor eve nfa ta l injury when the front passenger airbag is disabled
If th e front passenger airbag is disabled, It will not be deplo yed in theeve nt of an accident and cannot pe rform
its intended pr otective function.
A person in the front passenger seat could then, forex ample, come into con tact wi th theve hicle interior, espe‐
cially if the person is sitting too close tothe dashboard. #
Beaware of thest atus of the front passenger airbag bo thbefore and during the journe y. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check thest atus of the automatic front passenger airbag shutoff (/ page 40). #
If necessar y,consult a qualified specialist workshop immediatel y.
Active Brake Assist Func-
tions limited See Owner's
Manual *A
ctive Brake Assi stis malfunctioning. #
Consult a qualified specialist workshop.
PRE-SAFE inoperative See
Owner's Manual *
PRE‑SAFE ®
functions are malfunctioning. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 453

Display messages
Possible causes/consequences and M
MSolutions
Mercedes me connect
Services limited See Own-
er's Manual *S
ervice limited.
At least one of the main functions of the Mercedes me connect sy stem is malfunctioning. #
Obser vethe no tes on the diagnostics connection (/ page 23). #
Consult a qualified specialist workshop.
G Inoperative *A
t least one main function of the Mercedes me connect sy stem or of the SOS emer gency call sy stem is malfunc‐
tioning. #
Consult a qualified specialist workshop.
6 Front left malfunction Con-
sult workshop (Example) *T
he cor responding restra int sy stem is faulty (/ page 30). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theev ent of an accident. This may af fect the seat belt tensioner or airbag, for
ex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem fault:
R The restra int sy stem warning lamp 6does not light up when the ignition is switched on.
R The restra int sy stem warning lamp 6lights up continuously or repeatedly during a journe y.454
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop immediatel y.
Active Brake Assist Func-
tions currently limited See
Owner's Manual *A
ctive Brake Assi stistemp orarily una vailable.
The ambient conditions are outside the sy stem limits . #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
6
Restraint sys. malfunction
Consult workshop *T
herestra int sy stem is faulty (/ page 30). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or
might not be triggered at all in theeve nt of an accident. This may af fect the seat belt tensioner or airbag, for
ex ample. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. De
tection of a restra int sy stem fault:
R The restra int sy stem warning lamp 6does not light up when the ignition is switched on.
R The restra int sy stem warning lamp 6lights up continuously or repeatedly during a journe y. #
Consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 455

Display messages
Possible causes/consequences and M
MSolutions
Check brake pads See
Owner's Manual *T
he brake pads ha vereached thewe ar limit. &
WARNING Risk of accident due torestricted braking po wer
When the brake pads ha vereached their wear limit, the braking po wer may be restricted. #
Drive on carefully. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Consult a qualified specialist workshop. Driving sy
stems Display messages
Possible causes/consequences and M MSolutions
Blind Spot Assist inopera-
tive *B
lind Spot Assist is malfunctioning. #
Consult a qualified specialist workshop.
À ATTENTION ASSIST: Take a
break! *A
TTENTION ASSIST has de tected fatigue or an increasing la ckof concentration on the part of the driver
(/ page 213). #
If necessa ry,ta ke a break. 456
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Traffic Sign Assist inopera-
tive *T
raffic Sign Assist is malfunctioning. #
Consult a qualified specialist workshop.
Active Lane Keeping Assist
currently unavailable See
Owner's Manual *A
ctive Lane Keeping Assist is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (/ page219). #
Drive on.
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. #
Clean the windscreen.
Traffic Sign Assist currently
unavailable See Owner's
Manual *T
raffic Sign Assist is temp orarily una vailable. #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
ë
Off *T
he HOLD function is deactivated because theve hicle is skidding or a condition for activation is not met. #
Reactivate the HOLD function later or check the activation conditions forth e HOLD function (/ page195).
Traffic Sign Assist Camera
view restricted See Own-
er's Manual *T
he camera view is restricted. Possible causes:
R dirt on the windscreen in the camera's field of vision
R heavy rain, snow or fog Displ
aymessa ges and warning/indicator lamps 457