MERCEDES-BENZ GLS SUV 2022 Owners Manual

Display messages
Possible causes/consequences and P Solutions
^
Side running board not
extended * Mercedes-Maybach vehicles: the running boards are not extended.
= The r
unning boards extend only when the vehicle is stationary.
= The running boards and the side skirt must be free of dirt, ice and snow. Otherwise, they are unable to extend. 
Clean the running boards ( pag
e 378). 
Repeat the extension of the running boards ( pag
e 90).
If the running boards fail to extend again, consult a qualiNed specialist workshop. 
If the running boards are not extended, be particularly careful when getting in or out.
Head-up display currently
unavailable See Owner's
Manual * The head-up display is temporarily unavailable. Possible causes:
= malfunctions in t

he power supply
= signal interference 
Stop in accordance with the tr
aPc conditions and switch the vehicle oM and on again. 
If the display message still appears, consult a q
ualiNed specialist workshop.
Head-up display inoperative * The head-up display has an internal error. 
Consult a q
ualiNed specialist workshop.458
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
Ù
Steering malfunction
Increased physical effort
See Owner's Manual * The power steering assistance is malfunctioning. &
WARNING Risk of an accident due t o altered steering characteristics
If the power assistance of the steering fails partially or completely, you will need to use more force to steer. 
If safe steering is possible, drive on carefully. 
Visit or consult a q
ualiNed specialist workshop immediately. Ù
Steering malfunction Stop
immediately See Owner's
Manual * The steering is malfunctioning. Steering capability is
signiNcantl
y impaired. &
WARNING Risk of accident if s
teering capability is impaired
If the steering does not function as intended, the vehicle's operating safety is jeopardised. 
Pull over and stop the vehicle safely as soon as possible, paying attention to road and tr
aPc conditions. Do
not continue driving under any circumstances. 
Consult a q
ualiNed specialist workshop. Q
* At least one door is open. 
Close all doors. Display messages and warning/indicator lamps
459

Display messages
Possible causes/consequences and P Solutions
f * The bonnet is open. &
WARNING Risk of accident due t o driving with the bonnet unlocked
The bonnet may open and block your view. 
Never release the bonnet when driving. 
Before every trip, ensure that the engine bonnet is locked. 
Stop the vehicle immediately in accordance with the tr
aPc conditions. 
Close the bonnet.
e * The tailgate is open. &
DANGER Risk of poisoning fr
om exhaust gases
Combustion engines emit poisonous exhaust gases, such as carbon monoxide. Exhaust gases can enter the vehi-
cle int
erior if the tailgate is open when the engine is running, especially if the vehicle is in motion. 
Always switch oM t
he engine before opening the tailgate. 
Never drive with the tailgate open. 
Close the tailgate.
LOW RANGE only when
vehicle stationary * One or more
shising conditions ha
ve not been met. 
Stop the vehicle. 460
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions 
Engage neutral i. 
Repeat the gear change.
LOW RANGE Shift to posi-
tion N briefly * One or more
shising conditions ha ve not been met. 
Engage neutral i. 
Repeat the gear change.
LOW RANGE Not in drive
program "Sport" * You will not be able to select the LOW RANGE
oM-r
oad gear if the drive program C or B is switched on.
The drive program therefore automatically switches to A. 
Select the LOW RANGE oM-r
oad gear ( page 216).
LOW RANGE Malfunction
To park, apply parking
brake * The transfer case is malfunctioning. 
Do not shis t
he transfer case! 
Use the electric parking brake to secure the vehicle against rolling away. 
Consult a q
ualiNed specialist workshop.
LOW RANGE Shifting can-
celled Please reactivate * The transfer case did not perform the gear change. 
Repeat the gear change. 
Ensure that all shising conditions ar
e met ( page 216).
LOW RANGE Malfunction * The transfer case is malfunctioning. 
Do not shis t
he transfer case! Display messages and warning/indicator lamps
461

Display messages
Possible causes/consequences and P Solutions 
Use the electric parking brake to secure the vehicle against rolling away. 
Consult a qualiNed specialist workshop.
LOW RANGE Stop Apply
parking brake * The transfer case is malfunctioning. 
Stop the vehicle in accordance with the tr
aPc conditions. 
Apply the electric parking brake. 
Where necessary, also secure the vehicle against rolling away. 
Engage park position j.
LOW RANGE Max. speed
10 km/h * The maximum speed of 10 km/h for the gear change has been exceeded. 
Drive more slowly. 
Repeat the gear change.
LOW RANGE Max. speed
40 km/h * The maximum speed of 40 km/h for the gear change has been exceeded. 
Drive more slowly. 
To deactivate the gear change, press the L
OW RANGE button again. 
Repeat the gear change.
Gearbox protection Limit
30 km/h
Switch off LOW
RANGE * The oil temperature in the transfer case is too high. 
In the on-road position, shis t
o HIGH RANGE.462
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
Anti-theft alarm system
Malfunction * The anti-thes alarm system is malfunctioning. 
Consult a q
ualiNed specialist workshop.
o
2nd seat row, centre Not
locked * The seat backrest of the corresponding seat is not engaged. 
Fold the seat backrest back until it engages.
o
Cannot fold 2nd seat row
forwards on the left Please
adjust the front seat * The les seat bac

krests on the second row of seats cannot be folded forward. 
Adjust the corresponding front seat.
o
Cannot fold 2nd seat row
forwards on the right
Please adjust the front seat * The right seat backrests on the second row of seats cannot be folded forward. 
Adjust the corresponding front seat. Display messages and warning/indicator lamps
463

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions 
If the display message still appears, consult a q ualiNed specialist workshop.

Display messages
Possible causes/consequences and P Solutions 
Wait until the engine has cooled down. 
Make sure that the air supply to the radiator is not obstructed. 
Avoiding high loads on the engine, drive to the nearest q ualiNed specialist workshop. In doing so, ensure that the
coolant temperature display remains below 120°C.

Display messages
Possible causes/consequences and P Solutions