Detaching the ball coupling
#
Use the parking brake to secure the vehicle
against rolling away.
#
Pull the locking spring
1
upwards in the
direction of the arrow and push it to the rear.
#
Hold the ball coupling
3
in place.
#
Turn the ball coupling
3
in the direction of
the arrow and remove it from the ball cou‐
pling mounting
2
.
#
If the ball coupling is dirty, clean it.
#
Stow and secure the ball coupling properly.
Coupling/uncoupling a trailer
Requirements:
R
The ball coupling must be engaged in a
securely locked position.
Trailers with 7-pin plugs can be connected to the
vehicle using the following adapters:
R
Adapter plug
R
Adapter cable
Coupling a trailer
*
NOTE Damage to the battery due to full
discharge
Charging the trailer battery using the power
supply of the trailer can damage the battery.
#
Do not use the power supply to charge
the trailer battery.
#
Vehicles with automatic transmission:
shift the selector lever to position
j
.
#
Apply the vehicle's parking brake.
#
Close all the doors.
#
Remove the cover cap from the ball head and
stow it away safely (
%
The ball head height changes depending on
the vehicle's load. In this case, use a trailer
with a height-adjustable trailer drawbar.
#
Attach the trailer's breakaway cable to the
eyelet on the ball coupling.
#
Remove objects or devices that prevent the
trailer from rolling, e.g. wheel chocks.
#
Release the trailer's parking brake.
#
Place the trailer in a horizontal position
behind the vehicle and couple it.
#
Open the cover of the socket.
#
Insert the plug with the tab
1
into the sock‐
et's groove
3
.
#
Turn the bayonet coupling
2
to the right as
far as it will go.
#
Let the cover engage.
#
Attach the cable to the trailer with cable ties
(only in the case of adapter cable).
#
Ensure that the cable has unobstructed move‐
ment for driving around bends.
#
Push the combination switch upwards/down‐
wards and check whether the correct turn
signal light is flashing on the trailer.
Even if the trailer is connected correctly, a display
message will nevertheless appear on the multi‐
function display in the following cases:
R
LEDs have been installed on the trailer's light‐
ing system.
R
The minimum power (50 mA) of the trailer
lighting is not reached.
%
You can connect accessories up to a maxi‐
mum of 240 W to the permanent power sup‐
ply.
172
Driving and parking
