Vehicles with level control: the vehicle level may be changed unintentionally, e.g. by other people. If you couple or uncouple the trailer during this time, you may become trapped. In addition, other people could become trapped if parts of their body are between the vehicle body and the tyres or underneath the vehicle.
Observe the following when coupling or uncoupling:
The ball neck is extended and engaged in a securely locked position.
Adapter plug
Adapter cable
The trailer is connected correctly.
The trailer lighting system is in working order.
ESP® trailer stabilisation
Active Lane Keeping Assist
Parking Assist PARKTRONIC
Active Parking Assist
Blind Spot Assist or Active Blind Spot Assist
Drive Away Assist
Cross traffic warning
Manoeuvring brake function
Reversing camera
360° camera
AIRMATIC
E-ACTIVE BODY CONTROL
Charging the trailer battery using the power supply of the trailer can damage the starter 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.
Uncoupling in a state of overrun can damage the vehicle.
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 tyres or underneath the vehicle.
Bumper
Adapter cable
Adapter plug
Trailers with LED lighting: after uncoupling the trailer, switch the vehicle on and then off again.