Operation – Mercedes-Benz M-Class 2009 Owners Manual User Manual
Page 279
Driving instructions
277
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In sandy soil, drive at a steady speed as
allowed by conditions. This helps
overcome the vehicle rolling resistance
and reduces the likelihood of the vehicle
sinking into the ground.
R
Do not initiate jumps with the vehicle. It
interrupts the forward momentum of the
vehicle.
R
Always drive onto slopes with the engine
running and the vehicle in gear.
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Do not shift automatic transmission into
neutral position
N.
Do not reduce the tire inflation pressure
before driving through sand. However, if
you do so, remember to correct the tire
inflation pressure before continuing your
trip. Driving with reduced tire inflation
pressure increases the risk of losing control
of the vehicle and rolling over.
Checklist before off-road driving
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
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Check the tread depth and maintain
specified tire inflation pressure (a placard
with the recommended tire inflation
pressures is located on the driver’s door B-
pillar (
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Check tires for possible damage and
remove foreign objects.
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Replace missing valve caps.
Rims
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Dented or bent rims can cause tire inflation
pressure loss and damage the tire beads.
For this reason, check and, if necessary,
change rims before driving off-road.
Vehicle tool kit
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functional.
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In all cases take the vehicle tool kit, a
strong tow rope, a shovel and a small plank
(to put under the vehicle jack on sandy soil)
with you.
Operation
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