Mercedes-Benz GLC : Trailer hitch / Coupling/uncoupling a trailer

WARNING Risk of injury from the vehicle level being changed

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 tires or underneath the vehicle.

When coupling up or uncoupling a trailer, make sure that:

The doors or tailgate are not opened or closed.

You do not initiate the level control system and do not operate the DYNAMIC SELECT switch.

Do not lock or unlock the vehicle.

Requirements:

• The vehicle is secured with the electric parking brake.
• The transmission is in position .

The trailer will be correctly detected by the vehicle only if the following conditions are met:

• The trailer is connected correctly.
• The trailer lighting system is in working order.

The functions of the following systems will be affected by a correctly connected trailer:

• ESP® trailer stabilization
• Active Lane Keeping Assist
• Parking Assist PARKTRONIC
• Active Parking Assist
• Blind Spot Assist or Active Blind Spot Assist
• Drive Away Assist
• Cross Traffic Alert
• Rear view camera
• Surround view camera
• AIR BODY CONTROL

Vehicles without a level control system: the ball head height will change depending on the vehicle's load. In this case, use a trailer with a height-adjustable drawbar.

• Coupling up a trailer
• Uncoupling a trailer