Checklist; Steep Terrain - Mercedes-Benz 2010 GL-Class Operator's Manual

Driving instructions
264
Checklist before off-road driving
Engine oil level
Check the engine oil level (
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Only with a proper oil level can the vehicle
obtain a trouble-free oil supply, even on
steep gradients.
! If the engine oil level warning lamp comes
on while driving, stop the vehicle in a safe
location or as soon at is safe to do so.
Check the engine oil level.
The engine oil level warnings should not be
ignored. Extended driving with the symbol
displayed could result in serious engine
damage that is not covered by the
Mercedes-Benz Limited Warranty.
Tires
Check the tread depth and maintain
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specified tire inflation pressure. A placard
with the recommended tire inflation
pressures is located on the driver's door B-
pillar ( Y page 243).
Check tires for possible damage and
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remove foreign objects.
Replace missing valve caps.
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Rims
Dented or bent rims can cause tire inflation
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pressure loss and damage the tire beads.
For this reason, check and, if necessary,
change rims before driving off-road.
Vehicle tool kit
Check if the jack (
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functional.
Always take the vehicle tool kit, a strong
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tow rope, a shovel and a small plank (to put
under the jack on sandy soil) with you.
Y page 230).
Y page 286) is
Driving in steep terrain
Slope angle
Overhang angle, front
:
Overhang angle, rear
;
Vehicles
:
with air
GL 450,
suspension
GL 350
program
BlueTEC
Raised level 31°
Highway 26°
Vehicles
:
with
GL 450,
enhanced
GL 350
off-road
BlueTEC
package
Off-road 32°
level 3
Off-road 31°
level 2
Off-road 28°
level 1
Highway 26°
Comply with the warnings (
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rules for off-road driving (
Driving on embankments, slopes and other
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steep inclines should only be done straight
up or downhill, i.e. in the line of gravity.
Maximum vehicle climbing ability is a
: ;
GL all
550 models
32° 26°
27° 21°
: ;
GL all
550 models
33° 27°
32° 26°
28° 23°
27° 21°
Y page 262) and
Y page 263).