Vehicles with level control system: the vehicle level may be changed unintentionally, e.g. by other persons. You may become trapped if you couple up or uncouple a trailer while the vehicle level is changing. In addition, other people could become trapped if their limbs are between the vehicle body and the tyres or underneath the vehicle.
When coupling up or uncoupling a trailer, make sure that:
the ball neck must be extended and engaged in the securely locked position
adapter plug
adapter cable
the trailer is connected correctly
the trailer lighting system is in working order
Active Lane Keeping Assist
ESP® trailer stabilisation
Parking Assist PARKTRONIC
Active Parking Assist
Blind Spot Assist or Active Blind Spot Assist
Charging the trailer battery using the power supply of the trailer can damage the vehicle battery.
LEDs have been installed in the trailer lighting system
The current has fallen below the trailer lighting system's minimum current (50 mA).
Accessories can be connected to the permanent power supply up to 180 W, and to the power supply that is switched on via the ignition lock.
When uncoupling a trailer with an engaged inertia-activated brake, your hand may become trapped between the vehicle and the trailer drawbar.
Vehicles with level control system: The vehicle lowers 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 tyres or underneath the vehicle.