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 ...

    See also:

    Coolant temperature low indicator light (if equipped)/Coolant temperature high warning light (if equipped)
    - After turning the ignition switch to the “ON” position, if this indicator light/warning light behaves under any of the following conditions, the electrical system may be malfun ...

    Parking brake
    Applying the parking brake To engage the parking brake, first apply the foot brake and then without pressing the release button in, pull the parking brake lever up as far as possible. In add ...

    Cargo tie-down rings
    Observe the following notes on securing loads: secure the load using the cargo tie down rings. do not use elastic straps or nets to secure a load, as these are only intended as an anti-slip p ...