Mercedes-Benz GLC Series Operator's Manual page 234

232 Driving and parking
Drive Away Assist
R
Cross Traffic Alert
R
Rear view camera
R
Surround view camera
R
AIR BODY CONTROL
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 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 230).
/
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
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the vehicle and the trailer.
%
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
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engaged overrun brake.
* NOTE Damage when uncoupling in a
state of overrun
Uncoupling in a state of overrun can damage
the vehicle.
Do not uncouple trailers with an
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engaged overrun brake.
& WARNING Risk of becoming trapped
when disconnecting the trailer cable
Vehicles with level control system: The
vehicle may lower when the trailer cable is
disconnected.
This could result in you or other people
becoming trapped if your or their limbs are
between the vehicle body and the tires or
underneath the vehicle.
Make sure that nobody is underneath
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the vehicle or in the immediate vicinity