Mercedes-Benz CLE Coupe 2023 Owner's Manual page 340

338 Driving and parking
The trailer will be correctly detected by the vehi-
cle only if the following conditions are met:
The trailer is connected correctly.
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The trailer lighting system is in working order.
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A correctly connected trailer influences, among
other things, the functions of the following sys-
tems:
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ESP trailer stabilisation
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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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Manoeuvring brake function
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Reversing camera
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360° camera
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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
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charge the trailer battery.
Secure the vehicle against rolling away.
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Remove the cover cap from the ball head and
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store it in a safe place.
Position the trailer on a level surface behind
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the vehicle and couple it up to the vehicle.
F236 0017 02
Open the socket cap.
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Insert the plug with lug 1 into groove
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the socket.
Turn bayonet coupling 2 to the right as far as
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it will go.
Let the cap engage.
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Secure the cable to the trailer with cable ties
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(only if you are using an adapter cable).
Make sure that the cable is always slack for
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ease of movement during cornering.
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