MERCEDES-BENZ GLB SUV 2022 Owners Manual

Display messages
Possible causes/consequences and P Solutions 
Until then, operate the high beam manually.
Hazard warning lamps mal-
functioning * The hazard warning lamp switch is malfunctioning. 
Consult a qualiNed specialist workshop.Climate control
Display messages
Possible causes/consequences and P Solutions
;
inoperative See Owner's
Man. * The stationary heater is temporarily malfunctioning. 
When the vehicle is stationary on a level surface and the engine has cooled down, make up to four attempts to
switc

h on the stationary heater, waiting several minutes between each attempt. 
If the stationary heater does not switch on, consult a q
ualiNed specialist workshop.
;
inoperative Battery low * The on-board electrical system voltage is too low.
The s
tationary heater has switched itself oM. 
Drive an extended distance until the battery has reached a suPcient c
harge level again.398
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
;
inoperative Refuel vehicle * There is too little fuel in the fuel tank. The stationary heater cannot be switched on. 
Refuel the vehicle. Vehicle
Display messages
Possible causes/consequences and P Solutions
r
Vehicle is operational
Switch off ignition before
exiting * You are leaving the vehicle in a ready-to-drive state. 
Get out of the vehicle, secure it against rolling away and take the key with you. 
If you do not leave the vehicle, switch oM t he electrical consumers, e.g. the seat heating. Otherwise, the 12!

Display messages
Possible causes/consequences and P Solutions 
Uncouple the trailer and secure it against rolling away. 
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. 
Initiate a new swivel movement (  pag e 254). 
When the display message disappears, couple up the trailer and drive on.
If the display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not locked. 
Do not couple up the trailer. Drive on without the trailer. Note the reduced ground clearance due to the unlocked
ball nec
k. 
Consult a q
ualiNed specialist workshop.
* When the vehicle is stationary with a coupled trailer, the trailer hitch is not operational. 
Uncouple the coupled trailer and secure it against rolling away. 
If the ball neck has been folded in: unloc
k the ball neck ( page 254). 
Swivel the ball neck into the end position manually and let it engage. 
If the ball neck has been folded out: unloc
k the ball neck ( page 254). 
Swivel the ball neck beneath the bumper manually and let it engage.
If the display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not locked. 
Do not couple up the trailer. Drive on without the trailer. Note the reduced ground clearance due to the unlocked
ball nec
k. 400
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions 
Consult a qualiNed specialist workshop.
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.
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. Display messages and warning/indicator lamps
401

Display messages
Possible causes/consequences and P Solutions
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.Ù
Steering malfunction See
Owner's Manual * The electric steering lock is malfunctioning. The steering may be locked by the electric steering lock. &
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. 
Stop the vehicle immediately in accordance with the tr
aPc conditions. Do not continue driving. 
Consult a q
ualiNed specialist workshop.402
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions
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.
Anti-theft alarm system
Malfunction * The anti-t
hes alarm system is malfunctioning. 
Consult a q
ualiNed specialist workshop.
o
2nd seat row, left Not
locked * The les-hand
seat or t
he seat backrest in the second row of seats is not engaged. 
Fold the corresponding seat backrest back until it engages and push the row of seats back ( pag
e 110).
Make sure that the seat is engaged ( pag
e 110).404
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
o
2nd seat row, right Not
locked * The right-hand seat or the seat backrest in the second row of seats is not engaged. 
Fold the corresponding seat backrest back until it engages and push the row of seats back ( pag e 110).
Make sure that the seat is engaged ( pag
e 110).
o
3rd seat row, left Not
locked * The les-hand
seat or t
he seat backrest in the third row of seats is not engaged. 
Fold the corresponding seat backrest back until it engages. 
Make sure that the seat is engaged.
o 3rd seat row, right Not
locked * The right-hand seat or the seat backrest in the third row of seats is not engaged. 
Fold the corresponding seat backrest back until it engages and push the row of seats back . 
Make sure that the seat is engaged.

Display messages
Possible causes/consequences and P Solutions
Wiper malfunctioning * The windscreen wiper is malfunctioning. 
Restart the vehicle.
If the display message still appears: 
Consult a qualiNed specialist workshop.Engine
Display messages
Possible causes/consequences and P Solutions
To switch off the engine,
press the Start/Stop but-
ton for at least 3 seconds
or 3 times. * You have pressed the start/stop button while the vehicle is in motion. 
Information about switching oM t
he vehicle while driving ( page 169).
Cannot start engine See
Owner's Manual * The vehicle cannot be started. 
Switch the vehicle oM and switc
h it back on 
If the display message still appears, consult a q
ualiNed specialist workshop. 406
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions