mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

GF20.00-P-2200V Component Description For the Heating System Shutoff Valve|Page 17491 > < Heater Control Valve|Locations|Page 17488
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Heater Control Valve: Description and Operation
GF20.00-P-2200V Component Description For the Heating System Shutoff Valve

GF20.00-P-2200V Component Description For The Heating System Shutoff Valve

Location

The heating system shutoff valve is located behind the left cylinder bank at the coolant outlet of the engine.

Task

To rapidly warm up the engine following a cold start, locks the coolant circuit to the heat exchangers. When the vehicle heater is switched on, the valve
is always open.

Function

The heating system shutoff valve is actuated by the ME control unit via a ground signal. The valve is opened without a current. The coil resistance at
room temperature is approx. 12 Ohms.

GF20.00-P-2200V Component Description For the Heating System Shutoff Valve|Page 17491 > < Heater Control Valve|Locations|Page 17488