Refrigerant of the air-conditioning system
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.
See also:
Notes on care
Regular care of your vehicle is a condition for
retaining the quality in the long term.
Use care products and cleaning agents
recommended and approved by Mercedes-
Benz.
WARNING
Many cleanin ...
Problems with the SmartKey
Problem
Possible causes/consequences and Solutions
You cannot lock or
unlock the vehicle
using the SmartKey.
The SmartKey battery is discharged or nearly discharged ...
Important safety notes
The use of seat belts and infant and child
restraint systems is required by law in all 50
states, the District of Columbia, the U.S.
territories and all Canadian provinces.
Even where this is ...
