Mercedes-Benz GL-Class: Underinflated tires
WARNING 
Follow recommended tire inflation pressures.
Do not underinflate tires. Underinflated tires
wear excessively and/or unevenly, adversely
affect handling and fuel economy, and are
more likely to fail from being overheated.
Underinflated tires can:
• wear excessively and/or unevenly
• adversely affect fuel economy
• fail from being overheated
• adversely affect handling
Overinflated tires
WARNING
Follow recommended tire inflation pressures.
Do not overinflate tires. Overinflated tires can
adversely affect handling and ride comfort,
wear unevenly, increase stopping dista ...
See also:
Cargo light
The cargo light switch has three positions:
ON 1 , center 2 and OFF 3 .
ON position
When the switch is in the ON position 1 ,
the cargo light will illuminate.
Center position
When the sw ...
Engaging the differential locks
Pull away slowly when the differential
locks are activated.
Function or performance tests may only be
performed on a 2-axle dynamometer. If you
wish to operate the vehicle on such a
dynamomet ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the veh ...
