Mercedes-Benz Sprinter Operating Instructions Manual page 175

ADR is automatically deactivated if:
you release the parking brake.
R
the brake pedal is depressed.
R
the vehicle moves.
R
the control unit detects a malfunction.
R
Setting the working speed
Activate ADR.
X
To increase: press the E button.
X
To decrease: press the F button.
X
Towing a trailer
Notes on trailer towing
Important safety notes
G
WARNING
Installing an unsuitable ball coupling may
result in overloading of the trailer tow hitch
and the rear axle. This applies especially if the
ball coupling in question is longer or angled
differently. This could seriously impair the
driving characteristics and the trailer can
come loose. There is a risk of an accident.
You should only ever install a ball coupling
that has the permissible dimensions and that
is designed to meet your trailer-towing
requirements. Do not modify the ball coupling
or the trailer tow hitch.
G
WARNING
If you use a ball coupling that is not approved
for your vehicle, it may cause excessive strain
Towing a trailer
on the trailer tow hitch. This can cause dam-
age to the vehicle and the trailer may come
loose during the journey. The handling may be
impaired and the rear axle may be overloaded.
This may lead to an accident involving serious
or even fatal injury.
Therefore note the following:
Only install a ball coupling that is approved
R
for your vehicle.
Before the journey, make sure that the ball
R
coupling is correctly installed and secured.
To do this, observe the operating instruc-
tions of the ball coupling manufacturer.
Do not make any modifications to the ball
R
coupling or the trailer tow hitch.
You must observe the operating instructions
of the trailer tow hitch or ball coupling manu-
facturer.
G
WARNING
If the ball coupling is not correctly installed
and secured, it could come loose while driving
and endanger other road users. There is a risk
of an accident and injury.
Install and secure the ball coupling as descri-
bed in the ball coupling manufacturer's instal-
lation instructions. Make sure that the ball
coupling is correctly installed and secured
before every journey.
G
WARNING
When the vehicle/trailer combination begins
to lurch, you could lose control of it. The vehi-
cle/trailer combination could even rollover.
There is a risk of an accident.
On no account should you attempt to
straighten up the vehicle/trailer combination
by increasing the speed. Reduce vehicle
speed and do not countersteer. Apply the
brake as necessary.
Always observe the operating instructions
provided by the manufacturers of the trailer
coupling and the ball coupling.
Couple and decouple the trailer carefully.
When backing up the towing vehicle, make
173
Z