Trailer Hitch - Mercedes-Benz GLS Owner's Manual

or
To activate the straightening manoeuvre:
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select º.
The system calculates the articulation angle
in such a way that the direction of the trailer
at the time of activation is maintained. There
is a short countersteering movement of the
trailer while the vehicle is reversed, which
then guides it back to the desired line. In this
way, the vehicle is aligned straight with the
trailer and, at the same time, the direction of
the trailer is maintained.
Accelerate and brake as required.
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% Pay attention to your surroundings and be
ready to brake at all times.

Trailer hitch

Notes on trailer operation
* NOTE Mercedes-AMG vehicles
Observe the notes in the Supplement.
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You could otherwise fail to recognise
dangers.
Observe the following notes on the tongue
weight:
Do not use a tongue weight that exceeds or
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falls below the permissible tongue weight
Use a tongue weight as close as possible to
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the maximum tongue weight
Do not exceed the following values:
Permissible towing capacity
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Permissible rear axle load of the towing vehi‐
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cle
Permissible gross weight of the towing vehi‐
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cle
Permissible gross weight of the trailer
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Maximum permissible speed of the trailer
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Ensure the following before starting a journey:
The tyre pressure on the rear axle of the tow‐
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ing vehicle is set for a maximum load
The lighting of the connected trailer is opera‐
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tional
In the event of increased rear axle load, the car/
trailer combination must not exceed a maximum
Driving and parking 301
speed of 100 km/h for reasons concerning the
operating permit. This also applies in countries
in which the permissible maximum speed for
car/trailer combinations is above 100 km/h.
Vehicles with AIRMATIC or E-ACTIVE BODY
CONTROL: if the socket of the trailer hitch is
occupied, e.g. by a trailer or rear bicycle rack,
the vehicle is set to the normal level regardless
of the drive program at speeds greater than
30 km/h.
% When you are reversing with a trailer,
remember to use the Trailer Manoeuvering
Assist function ( page 299).
/
Extending and retracting the ball neck fully
electrically
& WARNING Risk of accident due to the
ball neck not being engaged
If the ball neck is not engaged, the trailer
may come loose.
Make sure that the ball neck securely
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engages and locks into place.