CL 63 AMG (216.377) V8-6.3L (156.984) (2008)
Heater Control Valve: Description and Operation
GF20.00-P-2200AMG Heating System Shutoff Valve, Component Description
GF20.00-P-2200AMG Heating System Shutoff Valve, Component Description
The shutoff valve is located at the rear on the right cylinder head.
Task
To warm up the engine quickly following a cold start, the shutoff valve can close off the coolant circuit to the heating system.
Design
The shutoff valve consists of a solenoid with a coil resistance of around 12 Ohms at 25 °C.
Function
The heating system shutoff valve is actuated by the ME-SFI control unit (N3/10) via a ground signal if required. The shutoff valve is opened without a
current.
If the vehicle heater is switched on, the shutoff valve is always open (not actuated).