Mercedes-Benz 2013 M Class - Manual (Page 394)

! When towing vehicles with KEYLESS-GO,
use the key instead of the Start/Stop
button. Otherwise, the automatic
transmission may shift to position
P when
the driver's or front-passenger door are
opened, which could lead to damage to the
transmission.
! Do not tow with sling-type equipment.
This could damage the vehicle.
! 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 otherwise 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.
! If you tow or tow-start another vehicle, its
weight must not exceed the maximum
permissible gross vehicle weight of your
vehicle.
Information on your vehicle's gross vehicle
weight rating can be found on the vehicle
identification plate (
Y page 443).
It is better to have the vehicle transported
than to have it towed.
If the vehicle has suffered transmission
damage, have it transported on a transporter
or trailer.
The automatic transmission must be in
position
N when the vehicle is being towed.
The battery must be connected and charged.
Otherwise, you:
R
cannot turn the SmartKey to position 2 in
the ignition lock
R
cannot release the electric parking brake
R
cannot shift the automatic transmission to
position
N
i Deactivate the automatic locking feature
( Y page 276). You could otherwise be
locked out when pushing or towing the
vehicle.
Installing/removing the towing eye
Installing the towing eye
Example: towing eye mounting covers
:
Front cover
;
Back cover
Vehicles with a trailer tow hitch: if possible,
connect the towbar to the trailer tow hitch
(
Y page 253).
The brackets for the screw-in towing eyes are
located in the bumpers. They are at the front
and at the rear, under the covers.
X Remove the towing eye from the vehicle
tool kit (
Y page 380).
X To open the cover at the front: press the
mark on cover : inwards in the direction
of the arrow.
X To open the cover at the rear: insert a
flat, blunt object into the cutout and lever
cover ; out of the bumper.
X Take cover : or ; off the opening.
X Screw the towing eye in clockwise to the
stop and tighten it.
392
Towing and tow-starting
Breakdown assistance