Mercedes-Benz GLC : Coupling/uncoupling a trailer / Uncoupling a trailer
WARNING Risk of being crushed and becoming trapped when uncoupling a trailer
When uncoupling a trailer with an engaged inertia-activated brake, your hand may become trapped between the vehicle and the trailer drawbar.
Do not uncouple trailers
with an
engaged overrun brake.
NOTE Damage when uncoupling in a state of overrun
Uncoupling in a state of overrun can damage the vehicle.
Do not uncouple trailers
with an
engaged overrun brake.
WARNING Risk of becoming trapped when disconnecting the trailer cable
Vehicles with level control system: The vehicle may lower when the trailer cable is disconnected.
This could result in you or other people becoming trapped if your or their limbs are between the vehicle body and the tires or underneath the vehicle.
Make sure that nobody is
underneath
the vehicle or in the immediate vicinity of the wheel arches when you disconnect
the trailer cable.
Disconnect the electrical
connection
between the vehicle and the trailer.
Uncouple the trailer.
Place the cover on the ball
neck mount.
Coupling up a trailer
NOTE Damage to the starter battery due
to full discharge
Charging the trailer battery using the power
supply of the trailer can damage the starter
battery...
Vehicle towing instructions
The vehicle is not suitable for the use of tow bar
systems that are used for flat towing or dinghy
towing, for example. Attaching and using tow bar
systems can lead to damage on the vehicle...
Other information:
Mercedes-Benz GLC 2016-2025 Owners Manual: Function of the tow-away alarm
This function may not be available in all countries. An audible and visual alarm is triggered if an alteration to your vehicle's angle of inclination is detected while the tow-away alarm is armed. The tow-away alarm is automatically armed after approximately 60 seconds: After locking the vehicle with the SmartKey After locking the vehicle using KEYLESS-GO The tow-away alarm is only armed when the following components are closed: Doors Tailgate The tow-away alarm is automatically deactivated: After pressing the or button on the SmartKey After pressing the start/stop button with the SmartKey in the storage compartment After unlocking the vehicle using KEYLESSGO When using HANDS-FREE ACCESS Information on collision detection on a parked vehicle...
Mercedes-Benz GLC 2016-2025 Owners Manual: Notes on snow chains
WARNING Risk of accident due to incorrect mounting of snow chains If you have mounted snow chains to the front wheels, the snow chains may drag against the vehicle body or chassis components. This could cause damage to the vehicle or the tires. Never mount snow chains on the front wheels...
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Activating or deactivating the child safety lock for the rear side windows
To activate/deactivate: press button
. The rear side window can be opened or closed in the following cases:
is lit: via the switch on the driver's door
Indicator lamp 
is off: via the switch on the corresponding rear door or driver's door
