Mercedes-Benz E-Class Coupe Owner's Manual page 211

Trailer towing
208
Secure the trailer against rolling away.
X
Remove the trailer cable and decouple the
X
trailer.
Folding in the ball coupling
i
Fold the ball coupling back in if you are
not using the trailer tow hitch.
G
WARNING
Make sure that no persons or animals are in
the pivoting range of the ball coupling. Other-
wise, they could be injured.
Place the protective cap on the ball cou-
X
pling.
The release wheel is located behind the left-
hand side trim panel in the boot.
To open the cover: turn handle : anti-
X
clockwise and fold down cover ;.
Pull out release wheel ;.
X
Turn release wheel ; anti-clockwise.
X
The ball coupling unlocks and lowers. Indi-
cator lamp : flashes.
Press the ball coupling in the direction of
X
the arrow until it engages behind the
bumper.
Indicator lamp : goes out and the mes-
sage in the multifunction display disap-
pears.
Trailer power supply
When it leaves the factory, your vehicle's
trailer socket is equipped with a permanent
power supply and a power supply that is
switched on via the ignition lock.
The permanent power supply is supplied via
trailer socket pin 9.
The power supply that is switched on via the
ignition lock is supplied via trailer socket pin
10.
! You can connect consumers with a power
rating of up to 240 W to the permanent
power supply and up to 180 W to the power
supply that is switched on via the ignition
lock.
You must not charge a trailer battery using
the power supply.
The trailer's permanent power supply is
switched off in the event of low vehicle supply
voltage and after six hours at the latest.