Coupling Up/Uncoupling A Trailer - Mercedes-Benz GLE Series 2020 Operator's Manual

Store cover 1 so that it cannot move
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around.
Observe the manufacturer's installation
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instructions.
Observe the notes on loading the vehicle.

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 tires or underneath the vehicle.
When coupling up or uncoupling a trailer,
make sure that:
The doors or tailgate are not opened or
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closed.
You do not initiate the level control sys‐
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tem and do not operate the DYNAMIC
SELECT switch.
Do not lock or unlock the vehicle.
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Requirements:
The vehicle is secured with the electric park‐
R
ing brake.
The transmission is in position j.
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 are affec‐
ted by a correctly connected trailer:
Active Lane Keeping Assist
R
®
ESP trailer stabilization
R
Parking Assist PARKTRONIC
R
Active Parking Assist
R
Blind Spot Assist or Active Blind Spot Assist
R
Driving and parking 277
Drive Away Assist
R
Cross Traffic Alert
R
Rear view camera
R
360° Camera
R
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
* NOTE Damage to the battery due to full
discharge
Charging the trailer battery using the power
supply of the trailer can damage the vehicle
battery.
Do not use the vehicle's power supply
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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.