Mercedes-Benz GLK-Class: Refrigerant of the air-conditioning system - Service products and capacities - Technical data - Mercedes-Benz GLK-Class Owner's ManualMercedes-Benz GLK-Class: Refrigerant of the air-conditioning system

The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant.

damage the air-conditioning system. 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 SA ...

    Brake fluid
    WARNING Over a period of time, the brake fluid 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 th ...

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    Label information
    There are several important labels and identification numbers located on your vehicle. The label locations are identified in the illustrations shown. Vehicle identification number (VIN) To check t ...

    Locking doors
    1. Turn the ignition switch to the LOCK position.1 2. Carry the Intelligent Key with you. 3. Close all the doors.2 4. Push the door handle request switch (driver’s or front passenger’s) A or ...

    General information
    Adjusting the seat belt Seat belts should always be worn by all occupants of your vehicle. Children should be properly restrained, using an infant, car, or booster seat determined by age, wei ...