Mercedes-Benz 2008 GL 450 Automobile User Manual


 
356
Operation
Driving instructions
Read this chapter carefully before you be-
gin off-road travel.
Familiarize yourself with the vehicle char-
acteristics and gear changing before you
attempt any difficult terrain off-road driv-
ing. We recommend that you start out with
easy off-road travel.
Special driving features for off-road
driving
The following driving features are available
for specific kind of operation:
ț Off-road – ABS ( page 102)
ț Off-road – ESP
®
( page 106)
ț Off-road – 4-ETS (page 108)
ț Hill start assist system (page 196)
ț LOW RANGE mode* ( page 201)
ț Differential locks* (page 204)
ț Downhill Speed Regulation (DSR)
(
page 273)
ț Off-road driving program (Vehicles
without enhanced off-road package*)
(
page 277)
ț Air suspension (page 278)
Off-road driving rules
ț Engage the off-road driving program
(
page 277) or LOW RANGE mode*
(
page 201) before driving under
off-road conditions.
ț If necessary, activate differential
locks* (
page 204).
ț Make sure you select a vehicle level
(
page 279) appropriate to the topo-
graphical conditions. Always make
sure the vehicle has enough ground
clearance.
ț Fasten items being carried as securely
as possible (
page 295).
ț Always navigate gradients with the en-
gine on and with the transmission en-
gaged in a gear. Switch on the DSR
(
page 274) to help maintain a preset
speed.
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