Mercedes-Benz E-Class Owner's Manual page 264

Towing a trailer
262
Saloon
Before you can tow a trailer with your vehicle,
you must fold out the ball coupling.
The release wheel is located behind the left-
hand side trim panel in the boot/luggage
compartment.
To open the cover (Saloon):
X
Slide luggage net ; down.
X
Turn handle : anti-clockwise and fold
down cover =.
Estate
Before you can tow a trailer with your vehicle,
you must fold out the ball coupling.
The release wheel is located behind the left-
hand side trim panel in the boot/luggage
compartment.
To open the cover (Estate):
X
Pull handle : in the direction of the arrow
and fold cover ; down.
Saloon
To unlock and fold out the ball coupling
(Saloon):
X
Grip release wheel A so that your thumb
lies on the thumb rest.
X
Turn release wheel A anti-clockwise until
the ball coupling releases and folds out
from under the rear bumper. Indicator
lamp ? flashes.
Estate
To unlock and fold out the ball coupling
(Estate):
X
Grip release wheel ? so that your thumb
lies on the thumb rest.
X
Turn release wheel ? anti-clockwise until
the ball coupling releases and folds out
from under the rear bumper. Indicator lamp
= flashes.