The relevant permitted values, which must not be
exceeded, can be found in the following places:
R
In your vehicle documents
R
On the identification plate of the trailer hitch
R
On the trailer's identification plate
R
On the vehicle identification plate
If there are discrepancies between the values, the
lowest one shall apply.
Before driving off, ensure the following:
R
The tire pressure on the rear axle of the tow‐
ing vehicle has been set for the maximum
load.
R
The headlamps have been set correctly.
Values approved by the manufacturer can be
found on the identification plates and in the sec‐
tion for the towing vehicle (
/
page 207).
If you require explanations regarding the informa‐
tion in the Operator's Manual, contact a
Mercedes-Benz Commercial Van Center.
Comply with the maximum permissible speed of
50 mph (80 km/h) or 62 mph (100 km/h), even
in countries in which higher speeds are permitted
for vehicle/trailer combinations.
Attach only an approved trailer hitch to your vehi‐
cle. Use only a ball neck that has been approved
for your vehicle. Further information about availa‐
bility and installation, including that of the trailer
electrics, is available from any qualified specialist
workshop.
%
Your vehicle's bumpers are not suitable for
installing detachable trailer hitches.
Do not attach any rented trailer hitches or any
other detachable trailer hitches to the bumpers.
Reduce the risk of damage to the ball neck. If you
do not need the ball neck, remove it from the ball
neck mount.
%
During trailer operation, remember that
PARKTRONIC is available only to a limited
extent, if at all.
%
The height of the ball head will change
depending on the vehicle's load. In this case,
use a trailer with a height-adjustable draw‐
bar.
Coupling/uncoupling a trailer
Requirements:
R
The ball neck 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 starter battery due
to full discharge
Charging the trailer battery using the power
supply of the trailer can damage the starter
battery.
#
Do not use the vehicle's power supply
to charge the trailer battery.
#
Vehicles with automatic transmission:
shift the transmission to position
j
.
#
Apply the vehicle's parking brake.
#
Close all the doors.
#
Position the trailer on a level surface behind
the vehicle.
%
The height of the ball head will change
depending on the vehicle's load. In this case,
use a trailer with a height-adjustable draw‐
bar.
#
Couple up the trailer.
#
To install an adapter: open the cover of the
socket.
#
Insert the plug with tab
1
into the socket's
groove
3
.
#
Turn bayonet coupling
2
to the right as far
as it will go.
#
Let the cover engage.
132 Driving and parking
