Cooling and heating systems Mercedes S-Class (W220)
General parameters of cooling and heating systems Note. Separate characteristics are also given in the text of the Chapter and, if they are mandatory, are highlighted in bold. Construction Thermosyphon with a vane water...
General description of the cooling system Cooling circuit diagram 1 - Heater; 2 - Engine; 3 - Thermostat; 4 - Water pump; 5 - Expansion tank; 6 - Cover with valve; 7 - Radiator; 8 - Bypass hose; 9 - Oil cooler...
Antifreeze — antifreeze Expansion tank of the cooling system The cooling system is filled year-round with a mixture of water, antifreeze and anti-corrosion agent. This prevents rust and...
Coolant Replacement — General Notes coolant level sensor (on the expansion tank) The coolant must be replaced when the cooling system is overhauled, in which the coolant is drained. In the event that the...
Removal and replacement of cooling system hoses Attention! Follow the precautions in Section Checking the condition and replacing the engine compartment hoses, localizing leaks . 1. If, as a result of an inspection...
Removing and checking the thermostat 1. Before removing and testing the thermostat, make sure that engine cooling problems are not due to insufficient coolant or loose drive belt tension. Make sure the...
Ventilation, heating and air conditioning systems Functional Diagram of Refrigerator Air Conditioner 1 - A/C compressor; 2 - Capacitor; 3 - Receiver-drier; 4 - Expansion valve; 5 - Evaporator; 6 - Evaporator of the rear...