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:
Rear Seats
The vehicle's second-row seats have head restraints in the outboard seating positions
that cannot be adjusted.
The vehicle's third-row seats, if equipped, have adjustable headrests in the
o ...
Clock
To adjust the time and date:
1. Turn the ignition key to ACC/ACCESSORY or ON/RUN, then press
to turn the radio on.
2. Press to display HR, MIN, MM, DD,
YYYY (hour, minute, month, day, and year) ...
Using this Manual
To quickly locate information about the vehicle, use the Index in the back of
the manual. It is an alphabetical list of what is in the manual and the page number
where it can be found. ...
