Mercedes-Benz GL-Class: Ruts and gravel roads
Observe the following rules when driving along ruts in off-road terrain or on roads with loose gravel:
Check that the ruts are not too deep and
that your vehicle has sufficient clearance.
Otherwise, your vehicle could be damaged or bottom out and get stuck.
• select the off-road drive program or the LOW RANGE off-road
gear.
• select a higher vehicle level.
• avoid high engine speeds.
• select shift range 1.
• drive slowly.
• where ruts are too deep, drive with the
wheels of one side on the center grassy
area, if possible.
Driving on sand
WARNING
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. Drivi ...
Driving over obstacles
Obstacles could damage the floor of the
vehicle or components of the chassis. Ask
passengers for guidance when driving over
large obstacles. The passenger should
always keep a safe distance fr ...
See also:
Low range (green)
Illuminates when Low range has been selected.
...
Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this,
please notify General Motors.
Call 1-800-521-7300, or write:
Buick Customer Assistance Center P.O. Box 33136
Detroit ...
Engine Cooling System Messages
Notice: If you drive the vehicle while the engine is overheating, severe engine
damage may occur. If an overheat warning appears on the instrument panel cluster
and/or DIC, stop the vehicle as soon ...






