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:
Lumbar Adjustment
To adjust the lumbar support:
Press and hold the front or rear of the control to increase or decrease
lumbar support.
Press and hold the top or bottom of the control to raise or lower the
...
Object Detection System Messages
PARKING ASSIST BLOCKED SEE OWNERS MANUAL
This message displays if there is something interfering with the park assist
system. See Ultrasonic Parking Assist for more information.
PARKING ...
Notes on selecting, mounting andreplacing tires
• Only mount tires and wheels of the same
type and make.
• Only mount tires of the correct size onto
the wheels.
• After mounting new tires, run them in at
moderate speeds for the first 60 ...
