Mercedes-Benz AMG GT 4-door coupe Owner's Manual page 250

If the ball neck is not securely locked in place,
the Check trailer hitch lock message will appear
on the multifunction display.
Coupling up/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 trap‐
ped if you couple up or uncouple a trailer
while the vehicle level is changing. In addi‐
tion, 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 doors or tailgate are not opened or
#
closed.
You do not initiate the level control sys‐
#
tem and do not operate the DYNAMIC
SELECT switch.
Do not lock or unlock the vehicle.
#
Requirements:
The ball neck is extended and engaged in a
R
securely locked position.
Trailers with a 7-pin plug can be connected to
the vehicle with the following adapters:
Adapter plug
R
Adapter cable
R
The trailer will be correctly detected by the vehi‐
cle only if the following conditions are met:
The trailer is connected correctly.
R
The trailer lighting system is in working
R
order.
The functions of the following systems will be
affected by a correctly connected trailer:
ESP ® trailer stabilisation
R
Active Lane Keeping Assist
R
Parking Assist PARKTRONIC
R
Active Parking Assist
R
Blind Spot Assist or Active Blind Spot Assist
R
Driving and parking 247
Drive Away Assist
R
Cross Traffic Alert
R
Reversing camera
R
360° Camera
R
AMG RIDE CONTROL +
R
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.
Do not use the vehicle's power supply
#
to charge the trailer battery.
Remove the cover cap from the ball head and
#
store it in a safe place.
Position the trailer on a level surface behind
#
the vehicle and couple it up to the vehicle.