Off-Road Driving - Mercedes-Benz GL-Class 2009 Owner's Manual

wobuchh,

Off-road driving

112
If you are not in the Telephone menu, you can
still accept a call.
Rejecting or ending a call
Press the ~ button.
X
If you are not in the Telephone menu, you can
still accept a call.
Dialling a number from the phone book
You can use the mobile phone to enter new
telephone numbers into the phone book (see
separate operating instructions). If your
mobile phone is operational, you can select
and dial a number from the phone book at any
time.
Press the V or U button to select the
X
Telephone menu.
Press the & or * button to call up
X
the phone book.
Press the & or * button to select the
X
name you are searching for. To scroll rap-
idly, press and hold the & or * but-
ton for longer than 1 second.
Press the 6 button to start dialling.
X
or
If you do not want to make a call, press the
X
~ button.
Redialling
The on-board computer saves the last names
or numbers dialled in the redial memory.
Press the V or U button to select the
X
Telephone menu.
Press the 6 button to switch to the
X
redial memory.
Press the & or * button to select the
X
desired name or number.
Press the 6 button to start dialling.
X
Version: 2.11.8.1
Off-road driving
Overview of off-road driving systems
The systems which are relevant for off-road
driving are explained on the following pages:
4MATIC (permanent four-wheel drive), for
R
optimum traction
DSR (Downhill Speed Regulation), which
R
assists you when driving downhill
LOW RANGE off-road gear for better trac-
R
tion off-road
Differential locks for increased traction off-
R
road
You will find further information about driving
off-road in the "Operation" section
( page 188).
Y
4MATIC (permanent four-wheel drive)
4MATIC ensures that all four wheels are per-
manently driven. Together with ESP
4ETS, it improves the traction of your vehicle
whenever a drive wheel spins due to insuffi-
cient grip.
G
Risk of accident
4MATIC cannot reduce the risk of an accident
if you drive too fast.
If a drive wheel spins due to insufficient grip:
only depress the accelerator pedal as far as
R
necessary when pulling away.
accelerate less when driving.
R
adapt your driving style to suit road and
R
traffic conditions.
i
In wintry driving conditions, the maximum
effect of 4MATIC can only be achieved if
you use winter tyres (M+S tyres), with snow
chains if necessary.
! When testing the parking brake, operate
the vehicle only briefly (for a maximum of
ten seconds) on a brake test dynamometer.
When doing this, turn the key to position
®
and