MERCEDES-BENZ GLC SUV 2022 Owners Manual

Display messages
Possible causes/consequences and P Solutions
Drive malfunction Achieva-
ble speed severely limited
See Owner's Manual * The drive system is malfunctioning.
The maximum v ehicle speed is restricted. 
Consult a q
ualiNed specialist workshop.

Display messages
Possible causes/consequences and P Solutions 
Drive on carefully. 
Consult a qualiNed specialist workshop.
6
Please wait Depressurising
fuel tank *
Vehicles with petrol engines: t
he pressure in the fuel tank is reduced before the fuel Nller Oap is opened. This pressure
reduction can take up to 15 minutes.
6 Fuel tank is depressurised
Ready for refuelling *
Vehicles with petrol engines: t
he pressure in the fuel tank is released and the fuel Nller Oap opens.
6
Tank ventilation Malfunc-
tion Consult workshop *
Vehicles with petrol engines: Ther
e is a malfunction in the fuel system. 
Consult a q
ualiNed specialist workshop. Display messages and warning/indicator lamps
479

Vehicle
Display messages
Possible causes/consequences and P Solutions * The driver's display is inoperative due to a failed
sosw are update.
The display message will be shown every time the engine is started. &
WARNING Risk of accident if t
he driver display fails
If the driver display has failed or is malfunctioning, function restrictions in systems relevant to safety cannot be
de
tected.
The operating safety of your vehicle may be impaired. 
Drive on carefully. 
Have the vehicle checked immediately at a q
ualiNed specialist workshop. If the operating safety of your vehicle is impaired, park the vehicle immediately and safely. Contact a
q
ualiNed special-
ist workshop. &
WARNING Risk of accident due t
o failure of the driver display
In the event that the driver display fails or malfunctions, you will not recognise function restrictions aMecting sy
s-
tems relevant to safety. This may impair operating safety. 
Park the vehicle safely as soon as possible and notify a q
ualiNed specialist workshop. If the driver's display fails, you may not recognise function restrictions
aMecting sy
stems relevant to safety or the
speed display, for example. The operating safety of the vehicle may be impaired ( page 338). 480
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions 
Have the vehicle checked by a q ualiNed specialist workshop immediately.
r
Vehicle is operational
Switch off vehicle 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
ï
Operation only possible in
transmission position P * The ball neck will not swivel because transmission position
h, k or neutr al i is selected.
Depress the brake pedal. 
Engage park position j.
ï Trailer coupling in motion * The ball neck is retracting/extending.
Do no
t attempt to speed up, slow down or initiate the swivel movement using your hand, foot or other aids. During the
swivel movement, do not couple a trailer.
When the ball neck has reached an operational position, the display message will disappear.
ï Trailer coupling Check
lock(whit

e display message) * The trailer hitch is not operational during a journey with a trailer. &
WARNING Risk of an accident if t he ball neck is not locked
The trailer may become detached. 
Stop the vehicle immediately in accordance with the tr
aPc conditions. Do not continue driving. 
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 311). 
When the display message disappears, couple up the trailer and drive on. 482
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
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 retracted: initiat
e a new swivel movement ( page 311).
The ball neck will engage vertically in the locked position and then engage beneath the bumper. 
If the ball neck has been extended: initiat
e a new swivel movement ( page 311).
The ball neck will engage beneath the bumper.
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.
Please teach in trailer cou-
pling again using the but-
ton in load compartment
Wait for it to extend/
retract * The swivel movement of the trailer hitch is impaired. 
Use the button on the tailgate to trigger a new, complete swivel movement until the ball neck engages beneath the
bum
per. Display messages and warning/indicator lamps
483

Display messages
Possible causes/consequences and P Solutions
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.
Head-up display Brightness
currently reduced See Own-
er's Manual * The brightness of the head-up display is reduced. Possible causes:
= Dir

t on the windscreen in the camera's Neld of vision
= Faulty exterior brightness signals 
Switch on the windscreen wipers. 
Clean the windscreen if necessary. 
Switch the vehicle oM and switc
h it back on 
If the display message still appears, consult a q
ualiNed specialist workshop. 484
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
Ù
Steering malfunction Drive
carefully Visit workshop * A power steering malfunction has occurred. Steering characteristics may be impaired as a result. 
Drive on carefully. 
Consult a qualiNed 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. 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. Display messages and warning/indicator lamps
485

Display messages
Possible causes/consequences and P Solutions
Ù
Rear axle steering cur-
rently malfunctioning * The rear-axle steering is temporarily unavailable. The turning circle may become wider. 
Stop the vehicle in accordance with the tr aPc conditions and restart the vehicle.
If the display message does not disappear: 
Drive on carefully. 
Consult a q
ualiNed specialist workshop.
Ù
Rear axle steering Malfunc-
tion Visit workshop * The rear axle steering is malfunctioning.
The r
ear axle has no steering capability.
The steering wheel may be at an angle when you drive in a straight line. 
Adapt your speed and drive on carefully. 
Consult a q
ualiNed specialist workshop immediately.
Ù
Rear axle steering Malfunc-
tion Stop immediately * The rear axle steering is malfunctioning.
The r
ear axle has no steering capability.
The steering wheel may be tilted considerably when you drive in a straight line.
Depending on the steering wheel's tilted position, the steering wheel will also vibrate and a continuous warning tone
will sound. &
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. 486
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions 
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. 
When stopping, bear the enlarged vehicle width in mind.
Snow chain mode Maxi-
mum speed exceeded * The maximum permissible speed for snow chain mode has been exceeded. 
Drive more slowly.
Q * At least one door is open. 
Close all doors.
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. Display messages and warning/indicator lamps
487