Mercedes-Benz GL-Class: Refrigerant of the air-conditioningsystem
The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant.
Never use refrigerant R 12 (CFC) or
mineral lubricants. Otherwise, you could
damage the air-conditioning system.
Engine oil viscosity
Viscosity describes the flow characteristics
of a fluid. If an engine oil has a high viscosity,
this means that it is thick; a low viscosity
means that it is thin.
Select an engine oil with an S ...
Brake fluid
WARNING
The brake fluid constantly absorbs moisture
from the air; this lowers its boiling point.
If the boiling point of the brake fluid is too low,
vapor pockets may form in the brake ...
See also:
Replacing LATCH System Parts After a Crash
WARNING
A crash can damage the LATCH system in the vehicle.
► damaged LATCH system may not properly secure the child restraint, resulting in
serious injury or even death in a crash.
To help ...
Customer Assistance Offices (U.S. and Canada)
Buick encourages customers to call the toll-free number for assistance.
However, if a customer wishes to write or e-mail Buick, the letter should be
addressed to:
United States
Buick Customer Ass ...
Shifting out of Park
This vehicle is equipped with an electronic shift lock release system. The shift
lock release is designed to:
Prevent ignition key removal unless the shift lever is in P (Park) with
the shift l ...






