Coupling Up A Trailer - Mercedes-Benz G-Class Operator's Manual

Towing a trailer
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Secure the bolt using spring cotter D.
X
Correctly installed and secured ball coupling
Check the ball coupling, bolt and spring cotter
X
for correct installation.

Coupling up a trailer

!
Do not connect the trailer's brake system (if
featured) to the hydraulic brake system of the
towing vehicle, as the latter is equipped with
an anti-lock brake system. Doing so will result
in a loss of function of the brake systems of
both the vehicle and the trailer.
Observe the maximum permissible trailer
dimensions (width and length).
Apply the vehicle's parking brake.
X
Make sure that the automatic transmission is
X
set to position P.
Position the trailer horizontally behind the
X
vehicle.
Couple up the trailer.
X
Establish the electrical connection between
X
the vehicle and the trailer.
Check that the trailer lighting system is work-
X
ing.
Push the combination switch upwards/down-
X
wards and check whether the corresponding
turn signal on the trailer flashes.
A trailer that is connected is recognized only
when the electrical connection is established
correctly and when the lighting system is work-
ing properly. The function of other systems also
depends on this, for example:
®
ESP
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PARKTRONIC
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These restrictions apply to accessories that are
supplied with power via the trailer socket in your
vehicle, e.g. a rear bicycle rack.
Observe the maximum permissible trailer
dimensions (width and length).
Most U.S. states and all Canadian provinces
require by law:
Safety chains between the towing vehicle and
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the trailer. The chains should be cross-wound
under the trailer drawbar. They must be fas-
tened to the vehicle's trailer coupling, not to
the bumper or the axle.
Leave enough play in the chains to make tight
cornering possible.
A separate brake system for certain types of
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trailer.
Safety switch for braked trailers. Check the
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specific legal requirements applicable to your
state.
If the trailer becomes detached from the tow-
ing vehicle, the safety feature brakes the
trailer.
Towing a trailer
There are several legal requirements for towing
a trailer, e.g. the maximum permissible speed.
Make sure that your car/trailer combination
complies with the local regulations:
in your place of residence
R
at your destination
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The police and local authorities can provide reli-
able information.