The permissible trailer loads are vehicle
and engine-dependent maximum values
which must not be exceeded. The actual
trailer load is the difference between the
actual gross weight of the trailer and
the actual coupling socket load with the
trailer coupled.
The permissible trailer loads are
specified in the vehicle documents. In
general, they are valid for inclines up to
12%.
The permissible trailer load applies up
to the specified incline and at sea
level. Since engine power decreases
as altitude increases due to the air
becoming thinner, therefore reducing
climbing ability, the permissible gross
train weight also decreases by 10% for
every 1000 m of altitude. The gross train
weight does not have to be reduced
when driving on roads with slight inclines
(less than 8%, e.g. motorways).
The permissible gross train weight must
not be exceeded. This weight is specified
on the identification plateð page 172.
Vertical coupling load
Warning
If attaching accessories to the trailer
hitch such as bicycle carriers, tow
boxes etc., do comply with the
maximum permissible vertical coupling
load.
When using a bicycle carrier, do not
transport more than four conventional
bicycles or two electric bicycles. Make
sure to place the heaviest bicycle as
close as possible to the vehicle.
The vertical coupling load is the load
exerted by the trailer on the coupling ball.
It can be varied by changing the weight
distribution when loading the trailer.
The maximum permissible vertical
coupling load 65 kg is specified on the
towing equipment identification plate and
in the vehicle documents.
Always aim for the maximum vertical
coupling load, especially in the case of
heavy trailers. The vertical coupling load
should never fall below 25 kg.
Rear axle load
When the trailer is coupled and
the towing vehicle fully loaded, the
permissible rear axle load (see
identification plate or vehicle documents)
may be exceeded by 60 kg, the gross
vehicle weight rating must not be
exceeded. If the permissible rear axle
load is exceeded, a maximum speed of
100 km/h applies.
TOWING EQUIPMENT
Caution
When operating without a trailer,
remove the coupling ball bar.
Stowage of coupling ball bar
The bag with the coupling ball bar is
stowed on the rear floor cover in the load
compartment.
Driving and operating 117
TRAILER TOWING
Trailer loads
Place the strap through the rear right
lashing eye, wrap around twice and
tighten the strap to secure the bag.
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