Mercedes-Benz B-Class Owner's Manual page 279

276 Driving and parking
276
Trailers with a 7-pin plug can be connected to the
vehicle with the following adapters:
Adapter plug
R
Adapter cable
R
The trailer will be correctly detected by the vehi-
cle only if the following conditions are met:
The trailer is connected correctly.
R
The trailer lighting system is in working order.
R
The functions of the following systems will be
a ected by a correctly connected trailer:
®
ESP trailer stabilisation
R
Active Lane Keeping Assist
R
Parking Assist PARKTRONIC
R
Active Parking Assist
R
Blind Spot Assist or Active Blind Spot Assist
R
Drive Away Assist
R
Cross Tra c Alert
R
Reversing camera
R
360° camera
R
Coupling up a trailer Coupling up a tr ailer
* NO NOTE TE 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.
Remove the cover cap from the ball head and
#
store it in a safe place.
Position the trailer on a level surface behind
#
the vehicle and couple it up to the vehicle.
Open the socket cap.
#
Insert the plug with lug 1 in groove
#
the socket.
Turn bayonet coupling 2 to the right as far as
#
it will go.
Let the cap engage.
#
Secure the cable to the trailer with cable ties
#
(only if you are using an adapter cable).
Make sure that the cable is always slack for
#
ease of movement during cornering.
Under the following conditions, a message may
appear on the instrument display even if the
trailer has been connected correctly:
LEDs have been installed in the trailer lighting
R
system.
The current has fallen below the trailer lighting
R
system's minimum current (50 mA).
%
Accessories can be connected to the perma-
nent power supply up to 180 W and to the
power supply that is switched on via the igni-
tion lock.
3 on