Mercedes-Benz 2016 GL Operator's Manual page 237

Red guide line at a distance of approx-
:
imately 10 in (0.25 m) from the rear of the
vehicle
White guide line without turning the steer-
;
ing wheel
End of parking space
=
Back up carefully until you have reached
X
the final position.
Red guide line : is then at end of parking
space =. The vehicle is almost parallel in
the parking space.
"Coupling up a trailer" function
! The following distance specifications
refer to trailer tow hitches with ball cou-
pling that have been approved for this vehi-
cle by Mercedes-Benz. Distances may dif-
fer if you use other ball couplings. In this
case, take into account that actual distan-
ces will not match the following distance
specifications. Otherwise you could dam-
age the trailer and vehicle.
Driving systems
Vehicle center point on the yellow guide
:
line at a distance of approximately 3 ft
(1.0 m) from the rear of the vehicle
Trailer drawbar
;
Ball coupling
=
This function is only available on vehicles with
a trailer tow hitch.
Set the height of trailer drawbar ; so that
X
it is slightly higher than ball coupling =.
Position the vehicle centrally in front of
X
trailer drawbar ;.
Ball coupling
:
Red guide line at a distance of approx-
;
imately 10 in (0.25 m) from the ball cou-
pling
Trailer drawbar marker assistant
=
Trailer drawbar
?
Symbol for the "Coupling up a trailer"
A
function
Use the COMAND controller to select sym-
X
bol A, see the separate operating instruc-
tions for COMAND.
The "Coupling up a trailer" function is selec-
ted. The distance specifications now only
235
Z