Mercedes-Benz GLE Operator's Manual page 254

252 Driving and parking
Coupling or 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 will be
affected 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
Drive Away Assist
R
Cross Traffic Alert
R
Rear view camera
R
Surround view camera
R
AIR BODY CONTROL
R
AIRMATIC
R
E-ACTIVE BODY CONTROL
R
Vehicles without level control: 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 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
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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.
Remove the cover cap from the ball neck
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mount and store it in a safe place
( page 251).
/
Position the trailer on a level surface behind
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the vehicle and couple it up to the vehicle.