Mercedes-Benz GLE Coupe 2023 Operator's Manual page 261

Trailer Maneuvering Assist
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Active Lane Keeping Assist
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Parking Assist PARKTRONIC
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Active Parking Assist
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Blind Spot Assist or Active Blind Spot Assist
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Drive Away Assist
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Cross traffic warning
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Maneuvering brake function
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Rear view camera
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360° camera
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AIRMATIC
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E-ACTIVE BODY CONTROL
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Vehicles without level control system: the ball
head height will change depending on the vehi-
cle's load. In this case, use a trailer with a height-
adjustable drawbar.
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.
Information about a suitable ball neck for
Mercedes-Benz vehicles can be obtained from a
qualified specialist workshop, e.g. an authorized
Mercedes-Benz Center.
Secure the vehicle against rolling away.
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Remove the cover cap from the ball neck
#
mount and store it in a safe place
( page 257).
/
Position the trailer on a level surface behind
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the vehicle and couple it up to the vehicle.
Establish the electrical connection between
#
the vehicle and the trailer.
Driving and parking 259
% Accessories can be connected to the perma-
nent power supply up to 180 W and to the
power supply that is switched on via the igni-
tion lock.
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
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overrun brake.
* NOTE Damage during uncoupling with an
engaged overrun brake
The vehicle may be damaged if you uncouple
with an engaged overrun brake.
Do not uncouple trailers with an engaged
#
overrun brake.