Driving Systems; Cruise Control; Operation - Mercedes-Benz 2009 GL320 BlueTEC Operator's Manual

Driving systems

Introduction
This section describes the following driving
systems of your vehicle:
Cruise control and Distronic
R
Distance warning function is only available
R
with Distronic
Hill start assist system
R
Downhill Speed Regulation (DSR)
R
Off-road driving program (vehicles without
R
enhanced off-road package)
Air suspension program (Adaptive
R
Damping System (ADS) and vehicle level
control)
Parktronic system
R
Rear view camera
R
Vehicles with enhanced off-road package:
For information on LOW RANGE mode, see
"LOW RANGE mode" ( Y page 142) and for
information on differential locks, see
"Differential locks" ( Y page 144).
®
The ABS, BAS, EBP, ESP and 4-ETS driving
safety systems are described in the "Safety
and security" section ( Y page 75).

Cruise control

The cruise control automatically maintains
the speed you set for your vehicle.
The use of the cruise control is recommended
for driving at a constant speed for extended
periods of time.
The currently set speed or last set speed
("Resume" function) appears in the status
indicator of the multifunction display:
USA only: e.g. Cruise 55 Miles
R
90 Km/h
Canada only: e.g.
R Ñ
i The cruise control should not be activated
during off-road driving.
G Warning!
The cruise control is a convenience system
designed to assist the driver during vehicle
operation. The driver is and must always
remain responsible for the vehicle's speed
and for safe brake operation.
Only use the cruise control if the road,
traffic, and weather conditions make it
advisable to travel at a constant speed.
The use of the cruise control can be
R
dangerous on winding roads or in heavy
Controls in detail
Driving systems
traffic because conditions do not allow
safe driving at a constant speed.
The use of the cruise control can be
R
dangerous on slippery roads. Rapid
changes in tire traction can result in
wheel spin and loss of control.
Deactivate the cruise control when
R
driving in fog.
The "Resume" function should only be
operated if the driver is fully aware of the
previously set speed and wishes to resume
this particular preset speed.
G Warning!
The cruise control brakes automatically so
that the set speed is not exceeded. The
brake pedal depresses automatically when
the cruise control engages the brakes.
Keep the driver's footwell clear at all times,
including the area under the brake pedal.
Objects stored in this area may impair
pedal movement which could interfere with
the braking ability of the cruise control
system.
Do not place your foot under the brake
pedal – your foot could become caught.
Z
169