warning MERCEDES-BENZ GLS 2017 Owners Manual

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 49).
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 117).
I Active Headlamps
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 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 159).X
Chec k th e fuses ( Y
page 343).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 .
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 .256
Display messages
On-board computer and displays

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 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 159).X
Observ e th e instruction s in th e = See Operator' s Manual
display message .X
Consult a qualified specialist workshop .

Display messages
Possible causes/consequences and P Solutions
Parking Pilo t is unavailable or malfunctioning .X
Switc h off th e ignition and restar t th e engine.
If th e Parking Pilo t continues to be unavailable (the ] symbol does
no t appear in th e multifunction display):X
Visit a qualified specialist workshop .
Parkin g Pilot Fin ‐
ished The vehicl e is parked. A warning tone also sounds.
The display message disappear s automatically.
Distance Pilot off Distanc e Pilo t DISTRONI C is deactivated.
If a warning tone also sounds, Distanc e Pilo t has deactivated auto -
matically ( Y
page 174).
Distance Pilot
available again Distanc e Pilo t DISTRONI C is operational again after having been tem-
porarily unavailable . You can no w reactivat e Distanc e Pilo t
DISTRONI C ( Y
page 174).
Distance Pilot Cur ‐
rently Unavailable
See Operator' s Man ‐
ual Distanc e Pilo t DISTRONI C is temporarily inoperative.
Steering Pilo t is also temporarily inoperative.
Possibl e causes are: R
th e radar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti c radiation emitted by nearby TV or radi o station s or
other source s of electromagneti c radiationR
th e system is outside th e operating temperature rangeR
th e on-boar d voltag e is to o low
A warning tone also sounds.
Whe n th e causes state d abov e no longer apply, th e display message
disappears.
Distanc e Pilo t DISTRONI C is operational 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 159).X
Restart th e engine.
Distance Pilot inop‐
erativ e Distanc e Pilo t DISTRONI C is malfunctioning .
The followin g may hav e also failed:R
Active Brake Assis tR
Active Brake Assis t wit h cross-traffic function
A warning tone also sounds. X
Visit a qualified specialist workshop .
Distance Pilot Sus ‐
pended You hav e depressed th e accelerato r pedal . Distanc e Pilo t DISTRONI C
is no longer controllin g th e speed of th e vehicle.X
Remove your foo t from th e accelerato r pedal .266
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
Distance Pilot
- - - mph A condition for activating Distanc e Pilo t DISTRONI C has no t been met .X
Chec k th e activation condition s for Distanc e Pilo t DISTRONI C
( Y
page 174).
Steering Pilot Cur ‐
rently Unavailable
See Operator' s Man ‐
ual Steering Pilo t is temporarily inoperative.
Possibl e causes are: R
th e windshield in th e camera' s field of vision is dirtyR
visibilit y is impaire d due to heav y rain , snow or fogR
there hav e been no lan e marking s for an extended periodR
th e lan e marking s are worn, dark or covered, e.g. by dir t or snow
Whe n th e causes state d abov e no longer apply, th e display message
disappears.
Steering Pilo t is operational 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 159).X
Clean th e windshield.
Steering Pilot inop‐
erativ e Steering Pilo t is malfunctioning .
However, th e Distanc e Pilo t DISTRONI C function s are still available.
A warning tone also sounds. X
Visit a qualified specialist workshop .
Cruise contro l inop‐
erativ e Cruis e control is malfunctioning .X
Visit a qualified specialist workshop .
Cruise contro l
--- mph R
A condition for activating cruise control has no t been met .
You hav e tried to store a speed belo w 20 mph (30 km/h), for exam-
ple. R
ES P ®
is deactivated. The yello w ES P ®
OF F warning lamp is lit .X
If condition s permit , drive faste r than 20 mph (30 km/h ) and store
th e speed.
or X
Chec k th e activation condition s for cruise control ( Y
page 172).
or X
Reactivat e ES P ®
( Y
page 67) .
Cruise Contro l Off Cruis e control has been deactivated.
If a warning tone also sounds, cruise control has deactivated auto -
matically ( Y
page 172). Display messages 26 7
On-board computer and displays Z

Tires Display messages
Possible causes/consequences and P Solutions
Check Tire Pressure
Soon The tire pressure loss warning system has detected a significant loss
in pressure.
A warning tone also sounds.
Possible causes: R
you have changed the positions of the wheels and tires or installed
new wheels and tires. R
the tire pressure in one or more tires has dropped significantly
G WARNING
Tire pressures that are too low pose the following hazards: R
they may burst, especially as the load and vehicle speed increase. R
they may wear excessively and/or unevenly, which may greatly
impair tire traction. R
the driving characteristics, as well as steering and braking, may be
greatly impaired.
There is a risk of an accident. X
Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so. X
Secure the vehicle against rolling away ( Y
page 159).X
Check the tires and, if necessary, follow the instructions for a flat
tire ( Y
page 331). X
Check the tire pressures and, if necessary, correct the tire pressure. X
Restart the tire pressure loss warning system when the tire pres-
sure is correct ( Y
page 353).
Check Tire Pressure
Then Restart Run
Flat Indicator The tire pressure loss warning system generated a display message
and has not been restarted since. X
Set the correct tire pressure in all four tires. X
Restart the tire pressure loss warning system ( Y
page 353).
Run Flat Indicator
Inoperative The tire pressure loss warning system is faulty. X
Visit a qualified specialist workshop.
Please Correct Tire
Pressure The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great. X
Check the tire pressures at the next opportunity ( Y
page 353).X
If necessary, correct the tire pressure. X
Restart the tire pressure monitor ( Y
page 355).268
Displa y messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
Check Tires The tire pressur e in on e or mor e tires has dropped significantly. The
whee l position is displayed in th e multifunction display.
A warning tone also sounds.
G WARNIN G
Tir e pressures that are to o low pos e th e followin g hazards :R
they may burst, especially as th e load and vehicl e speed increase.R
they may wear excessivel y and/o r unevenly, whic h may greatl y
impair tire traction .R
th e drivin g characteristics , as well as steering and braking , may be
greatl y impaired.
There is a ris k of an accident.X
Stop th e vehicl e without making any sudden steering or braking
maneuvers . Pay attention to th e traffic condition s as you do so.X
Secur e th e vehicl e against rollin g away ( Y
page 159).X
Chec k th e tires and , if necessary, follow th e instruction s for a flat
tire ( Y
page 331). X
Chec k th e tire pressur e ( Y
page 353).X
If necessary, correc t th e tire pressure.
Warnin g Tir e Mal ‐
function The tire pressur e in on e or mor e tires has dropped suddenly. The whee l
position is shown in th e multifunction display.
G WARNIN G
Drivin g wit h a flat tire poses a ris k of th e followin g hazards :R
a flat tire affects th e abilit y to steer or brak e th e vehicle.R
you could lose control of th e vehicle.R
continued drivin g wit h a flat tire will caus e excessive heat build-up
and possibl y a fire.
There is a ris k of an accident.X
Stop th e vehicl e without making any sudden steering or braking
maneuvers . Pay attention to th e traffic condition s as you do so.X
Secur e th e vehicl e against rollin g away ( Y
page 159).X
Chec k th e tires and , if necessary, follow th e instruction s for a flat
tire ( Y
page 331).
Tir e Press. Monito r
Currently Unavaila‐
ble Becaus e there is interferenc e from a stron g source of radi o waves, no
signals from th e tire pressur e sensor s are detected. The tire pressur e
monitor is temporarily malfunctioning .X
Drive on .
The tire pressur e monitor restarts automatically as soo n as th e
problem has been resolved.
Tir e Press. Sen ‐
sor(s) Missin g There is no signal from th e tire pressur e sensor of on e or several
wheels. The pressur e of th e affecte d tire is no t displayed in th e mul-
tifunction display. X
Hav e th e fault y tire pressur e sensor replace d at a qualified special -
ist workshop . Display messages 26 9
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
Tir e Pressure Moni‐
tor Inoperative No
Wheel Sensor s The wheels mounte d do no t hav e a suitable tire pressur e sensor . The
tire pressur e monitor is deactivated.X
Moun t wheels wit h suitable tire pressur e sensors.
The tire pressur e monitor is activated automatically after drivin g for
a few minutes.
Tir e Press. Monito r
Inoperative The tire pressur e monitor is faulty.X
Visit a qualified specialist workshop .
Vehicle Display messages
Possible causes/consequences and P Solutions
Shift to 'P' or 'N'
to Start Engine You hav e attempte d to start th e engin e wit h th e transmission in posi-
tion R or D . X
Shift th e transmission to position P or N .
Apply Brake to
Shift fro m 'P' You hav e attempte d to shift th e transmission to position D , R or N
without depressing th e brak e pedal .X
Depress th e brak e pedal .
To Deselect P or N,
Depres s Brake and
Start Engine Wit h th e engin e switched off , you hav e attempte d to shift th e trans -
mission out of position P or N int o another transmission position .X
Depress th e brak e pedal .X
Start th e engine.
Transmission Not in
P Ris k of Vehicl e
Rollin g Awa y The driver's door is open/not completely closed and th e transmission
is in position R , N or D .
A warning tone also sounds.
G WARNIN G
The vehicl e may rol l away.
There is a ris k of an accident.X
Shift th e transmission to position P .X
Secur e th e vehicl e against rollin g away ( Y
page 159).X
Clos e th e driver's door completely.
Onl y Shift to 'P'
whe n Vehicl e is Sta ‐
tionar y The vehicl e is moving .X
Stop th e vehicl e safely as soo n as possible, payin g attention to roa d
and traffic conditions. X
Shift th e transmission to position P .270
Display messages
On-board computer and displays

Display messages
Possible causes/consequences and P Solutions
Servic e Required Do
Not Shift Gears
Visit Dealer You canno t chang e th e transmission position due to a malfunction .
A warning tone also sounds.
If transmission position D is selected:X
Drive to a qualified specialist workshop without shifting th e trans -
mission from position D .
If transmission position R , N or P is selected:X
Secur e th e vehicl e against rollin g away ( Y
page 159).X
Notify a qualified specialist workshop or breakdown service.
Reversing Not Possi‐
ble Servic e Required You canno t shift int o th e transmission position R due to a malfunction .
The transmission position s P , N or D continu e to be available.
A warning tone also sounds. X
Visit a qualified specialist workshop .
Transmission Mal ‐
function Sto p A malfunction has occurred in th e mechanical transmission compo -
nents.
A warning tone also sounds. The gearbox automatically shift s to posi-
tion N . 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
Shift th e transmission to position P .X
Secur e th e vehicl e against rollin g away ( Y
page 159).X
Notify a qualified specialist workshop or breakdown service.
Auxiliary Batter y
Malfunction The auxiliary battery for th e automatic transmission is no longer bein g
charged. X
Visit a qualified specialist workshop .X
Unti l then , set th e automatic transmission to position P before you
switch off th e engine.X
Befor e leaving th e vehicle, apply th e electric parking brake.
e The tailgat e is open .
G WARNIN G
Whe n th e engin e is running, exhaust gase s can ente r th e vehicl e inte-
rio r if th e tailgat e is open .
There is a ris k of poisoning .X
Clos e th e tailgate. Display messages 27 1
On-board computer and displays Z

Display messages
Possible causes/consequences and P Solutions
f The hoo d is open .
G WARNIN G
The open hoo d may bloc k your vie w when th e vehicl e is in motion .
There is a ris k of an accident.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 159).X
Clos e th e hood.
Q At least on e door is open .
A warning tone also sounds. X
Clos e all th e doors.
o 2nd Sea t Row , Lef t
Not Locked or 2nd
Sea t Row , Right Not
Locked The secon d row of seat s is no t engage d on th e left-han d or right-hand
side . X
Fold bac k th e secon d row of seat s until it engages.
o 3rd Sea t Row , Lef t
Not Locked or 3rd
Sea t Row , Right Not
Locked The third row of seat s is no t engage d on th e left-han d or right-hand
side . X
Fold bac k th e third row of seat s until it engages.

Safety
Seat belts Warning/
indicator
lamp Q Signal type
Possible causes/consequences and P Solutions