Mercedes-Benz M-Class Owner's Manual page 353

Towing and tow-starting
350
the engine is not running.
R
there is a brake system malfunction.
R
there is a malfunction in the power supply
R
or the vehicle's electrical system.
The power assistance for the steering and the
brake force booster do not work when the
engine is not running. You will need more
force to steer and brake, you may have to
depress the brake pedal with maximum force.
Before towing away, make sure that the steer-
ing can be moved and is not locked.
If you tow or tow-start another vehicle, its
weight must not exceed the maximum per-
missible gross vehicle weight of your vehicle.
G
WARNING
The vehicle is braked when the HOLD function
or DISTRONIC PLUS is activated. Therefore,
deactivate HOLD and DISTRONIC PLUS if the
vehicle is to be towed.
It is better to have the vehicle transported
than to have it towed.
! You may tow the vehicle for a maximum
of 50 km. A towing speed of 50 km/h must
not be exceeded.
For towing distances over 50 km, the entire
vehicle must be lifted up and transported.
! Make sure that the electric parking brake
is released. If the electric parking brake is
faulty, visit a qualified specialist workshop.
! Only secure the tow rope or towing bar to
the towing eyes. The vehicle may otherwise
be damaged.
! Do not use the towing eye for recovery,
as this could damage the vehicle. If in
doubt, recover the vehicle with a crane.
! When towing, pull away slowly and
smoothly. If the tractive power is too high,
the vehicles could be damaged.
! To tow vehicles with KEYLESS-GO, use
the key instead of the Start/Stop button.
The automatic transmission may otherwise
switch to position P when you open the
driver's or front-passenger door which
could damage the transmission.
! Vehicles with differential locks: make
sure the differential locks are in automatic
mode. The differential locks must not be
switched on by hand when towing the vehi-
cle. The transmission may otherwise be
damaged.
If the vehicle has suffered transmission dam-
age, have it transported on a transporter or
trailer.
The automatic transmission must be in posi-
tion N when the vehicle is being towed.
The battery must be connected and charged.
Otherwise, you:
cannot turn the key in the ignition lock to
R
position 2
cannot shift the automatic transmission to
R
position N
i
Before the vehicle is towed, switch off the
automatic locking feature (
You could otherwise be locked out when
pushing or towing the vehicle.
Deactivate tow-away protection
( page 69) before the vehicle is towed.
Y
Fitting/removing the towing eye
Fitting the towing eye
Vehicles with a trailer tow hitch: if you intend
to use the vehicle for towing, fold out the ball
coupling and connect the towbar to it
( page 228).
Y
Remove the towing eye from the vehicle
X
tool kit ( page 333).
Y
The mountings for the removable towing eyes
are located in the bumpers. They are at the
front and at the rear, under the covers.
page 249).
Y