All-Wheel Drive (4Matic); Parktronic System - Mercedes-Benz 2010 GL-Class Operator's Manual

Driving systems
166
i The message can be cleared by pressing
the V, U, & or * button on
the multifunction steering wheel.
When the highway level is reached, indicator
lamps = go out and the following message
appears in the multifunction display for
5 seconds:
i The vehicle is lowered to the highway level
automatically if the vehicle speed is above
60 mph (96 km/h).

All-wheel drive (4MATIC)

In vehicles with all-wheel drive (4MATIC),
both axles are powered at all times when the
vehicle is being operated. The 4MATIC
improves traction in conjunction with the
®
ESP ( Y page 63) and the Electronic Traction
System (4-ETS) (
G
Warning!
If a drive wheel is spinning due to insufficient
traction:
While driving off, apply as little throttle as
R
possible.
While driving, ease up on the accelerator
R
pedal.
Adapt your speed and driving style to the
R
prevailing road conditions.
Failure to observe these guidelines could
cause the vehicle to skid.
The 4MATIC cannot prevent accidents
resulting from excessive speed.
! Do not tow with one axle raised. Doing so
could damage the transfer case, which is
not covered by the Mercedes-Benz Limited
Y page 64).
Warranty. All wheels must be on or off the
ground. Observe instructions for towing the
vehicle with all wheels on the ground.
! Only conduct operational or performance
tests on a two-axle dynamometer. If such
tests are necessary, contact an authorized
Mercedes-Benz Center. You could
otherwise seriously damage the brake
system and/or the transfer case which is
not covered by the Mercedes-Benz Limited
Warranty.
i In winter operation, the maximum
effectiveness of the 4MATIC is only
achieved with winter tires (
snow chains as required.

Parktronic system

The Parktronic system is an electronic
parking aid with ultrasonic sensors designed
to assist the driver during parking maneuvers.
The Parktronic system indicates the relative
distance between the vehicle and an obstacle
visually and audibly.
The Parktronic system is activated
automatically when
you switch on the ignition
R
and
you release the parking brake
R
and
the automatic transmission is in drive
R
position D, reverse gear R, or neutral
position N
The Parktronic system deactivates at speeds
above approximately 11 mph (18 km/h). At
lower speeds, the Parktronic system
activates again.
The Parktronic system also deactivates when
you shift the automatic transmission into
park position P or engage the parking brake.
The Parktronic system monitors the
surroundings of your vehicle with six sensors
Y page 257) or