Mercedes-Benz GLS Operator's Manual page 352

Towing and tow-starting
350
!
Vehicles with differential locks: make sure
the differential locks are in automatic mode.
When towing, the differential locks must not
be switched on. The transmission may other-
wise be damaged.
!
The vehicle can be towed a maximum of
30 miles (50km). The towing speed of 30 mph
(50 km/h) must not be exceeded.
If the vehicle has to be towed more than
30 miles (50km), the entire vehicle must be
raised and transported.
It is better to have the vehicle transported than
to have it towed away.
If the vehicle has suffered transmission damage,
have it transported on a transporter or trailer.
The automatic transmission must be in position
i when the vehicle is being towed.
The battery must be connected and charged.
Otherwise, you:
cannot turn the SmartKey to position 2 in
R
the ignition lock
cannot release the electric parking brake
R
cannot shift the automatic transmission to
R
position i
Disarm the automatic locking feature before the
vehicle is towed (
wise be locked out when pushing or towing the
vehicle.
Installing/removing the towing eye
Installing the towing eye
page 244). You could other-
Y
The brackets for the screw-in towing eye are
located in the bumpers. They are at the front and
rear behind covers :;.
Remove the towing eye from the vehicle tool
X
kit ( page 339).
Y
To open the cover at the front: press the
X
mark on cover : inwards in the direction of
the arrow.
To open the cover at the rear: insert a flat,
X
blunt object into the cutout and lever
cover ; out of the bumper.
Take cover : or ; off the opening.
X
Screw in the towing eye clockwise as far as it
X
will go and tighten it.
Removing the towing eye
Unscrew and remove the towing eye.
X
Position cover : or ; in the bumper and
X
press the cover on until it engages.
Place the towing eye in the vehicle tool kit.
X
Towing a vehicle with both axles on
the ground
The automatic transmission shifts to position
j automatically when you open the driver's or
front-passenger door or when you remove the
SmartKey from the ignition lock.
In order to ensure that the automatic transmis-
sion stays in position i when towing away the
vehicle, you must observe the following points:
Make sure that the vehicle is stationary.
X
Turn the SmartKey to position 2 in the igni-
X
tion lock.
Depress and hold the brake pedal.
X
Shift the automatic transmission to position
X
i.
Leave the SmartKey in position 2 in the igni-
X
tion lock.
Release the brake pedal.
X
Release the electric parking brake.
X
Switch on the hazard warning lamps
X
( page 117).
Y
In order to signal a change of direction when
towing the vehicle with the hazard warning
lamps switched on, use the combination switch
as usual. In this case, only the indicator lamps
for the direction of travel flash. After resetting