2022 MERCEDES-BENZ GLS SUV Owners Manual

Occupant safety
Display messages
Possible causes/consequences and P Solutions
6
Restraint sys. malfunction
Consult workshop * The restraint system is malfunctioning (
 pag e 44). &
WARNING Risk of injur
y due to malfunctions in the restraint system
Components in the restraint system may be activated unintentionally or not deploy as intended in an accident. 
Have the restraint system checked and repaired immediately at a q
ualiNed specialist workshop. 6
Front left malfunction Con-
sult workshop (e

xample)* The corresponding restraint system is malfunctioning (
 pag
e 44).&
WARNING Risk of injur
y due to malfunctions in the restraint system
Components in the restraint system may be activated unintentionally or not deploy as intended in an accident. 
Have the restraint system checked and repaired immediately at a q
ualiNed specialist workshop. 6
Left windowbag malfunc-
tion Consult work-
shop (e

xample) * The corresponding restraint system is malfunctioning (
 pag
e 44).&
WARNING Risk of injur
y or fatal injury due to a malfunction in the windowbag
The windowbag might be triggered unintentionally or might not be triggered at all in the event of an accident. 
Have the windowbag checked and repaired immediately at a q
ualiNed specialist workshop. 446
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
Front-passenger airbag dis-
abled See Owner's Manual * The front passenger airbag has been disabled even though an adult or a person of adult build is on the front passenger
seat. If additional f orces are applied to the seat, the weight the system detects may be too low. &
WARNING !

Display messages
Possible causes/consequences and P Solutions &
WARNING Risk of injur y or death when using a child restraint system while the front passenger airbag is ena-
bled
If you secure a child in a child restraint system on the front passenger seat and the front passenger airbag is ena-
bled, t
he front passenger airbag can deploy in the event of an accident.
The child could be struck by the airbag. 
Ensure, both before and during the journey, that the status of the front passenger airbag is correct.
NEVER use a rearward facing child restraint on a seat protected by an ACTIVE AIRBAG in front of it, DEATH or
SERIOUS INJUR
Y to the CHILD can occur. 
Stop the vehicle immediately in accordance with the tr
aPc conditions. 
Make sure that no objects are trapped under the front passenger seat. 
Check the status of automatic front passenger airbag actuation (  pag
e 54).
If necessary, consult a q
ualiNed specialist workshop immediately.
PRE-SAFE inoperative See
Owner's Manual *
The PRE!

Key
Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions
Place the key in the
marked space See Owner's
Manual * Key detection is malfunctioning. 
Change the location of the key in the vehicle. 
Place the key in the slot for starting the engine with the key (  pag e 194).Lights
Display messages
Possible causes/consequences and P Solutions
:
Left dipped beam (e

xample)* The corresponding light source is defective. 
Drive on carefully. 
Consult a qualiNed specialist workshop immediately.
% LED light sources: the display message for the corresponding light appears only when all the light-emitting diodes
in t

he light are faulty.
: Malfunction See Owner's
Manual * The exterior lighting is malfunctioning. 
Consult a q
ualiNed specialist workshop.
* Vehicles with a trailer hitch: a fuse ma
y have blown. 
Stop the vehicle in accordance with the tr
aPc conditions. 
Check the fuses and replace them if necessary (  pag
e 399). Display messages and warning/indicator lamps
451

Display messages
Possible causes/consequences and P Solutions
:
Automatic driving lights
inoperative * The light sensor for automatic driving lights is malfunctioning. 
Consult a qualiNed specialist workshop.
:
Active Light System inoper-
ative * The active headlamps are malfunctioning. 
Consult a q
ualiNed specialist workshop.
:
Switch on headlamps * You are driving without low-beam headlamps. 
Turn the light switch to the L or X position.
:
Switch off lights * You are leaving the vehicle and the lights are still switched on. 
Turn the light switch to the X position.452
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
:
Intelligent Light System
inoperative * The Intelligent Light System is malfunctioning. The lighting system continues to function properly without the functions
of t he Intelligent Light System. 
Consult a q
ualiNed specialist workshop.
Adaptive Highbeam Assist
Plus currently unavailable
See Owner's Manual * Adaptive Highbeam Assist Plus is temporarily unavailable.
The sy
stem limits have been reached (  page 166).
Once the cause of the problem is no longer present, the system will be available again. The Adaptive Highbeam
Assist Plus available again display message will appear. 
Drive on 
Operate the high beam manually until Adaptive High Beam Assist Plus is available again.
Adaptive Highbeam Assist
Plus inoperative * Adaptive Highbeam Assist Plus is malfunctioning. 
Drive on
or 
Stop the vehicle in accordance with the tr
aPc conditions and restart the vehicle. 
If the display message does not disappear: consult a q ualiNed specialist workshop. 
Until then, operate the high beam manually.
Hazard warning lamps mal-
functioning * The hazard warning lamp switch is malfunctioning. 
Consult a q
ualiNed specialist workshop. Display messages and warning/indicator lamps
453