Component description for the heating system shutoff valve - GF20.00-P-2200V

WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2012 Mercedes-Benz GL550, 2012 Mercedes-Benz GL450, 2011 Mercedes-Benz ML63, 2011 Mercedes-Benz ML550, and 2011 Mercedes-Benz ML350. However, it is still accessible from the selected car via links, so may be relevant.

ENGINE 272.920 in MODEL 203

ENGINE 272.922 in MODEL 211

ENGINE 272.940 in MODEL 203, 209

ENGINE 272.941 in MODEL 203

ENGINE 272.943 in MODEL 211

ENGINE 272.944 in MODEL 211

ENGINE 272.945 in MODEL 251

ENGINE 272.946 in MODEL 221

ENGINE 272.960 in MODEL 203, 209

ENGINE 272.964 in MODEL 211, 219

ENGINE 272.965 in MODEL 221

ENGINE 272.966 in MODEL 230

ENGINE 272.967 in MODEL 164, 251

ENGINE 272.970 in MODEL 203

ENGINE 272.972 in MODEL 211

ENGINE 272.975 in MODEL 221

ENGINE 273.922 in MODEL 221

ENGINE 273.923 in MODEL 164

ENGINE 273.924 in MODEL 221

ENGINE 273.943 in MODEL 164

ENGINE 273.960 in MODEL 211, 219

ENGINE 273.961 in MODEL 216, 221

ENGINE 273.962 in MODEL 211

ENGINE 273.963 in MODEL 164, 251

ENGINE 273.965 in MODEL 230

ENGINE 273.967 in MODEL 209

ENGINE 273.968 in MODEL 221

Fig 1: Identifying Heating System Shutoff Valve

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Location

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

Fig 2: Identifying Heating System Shutoff Valve Location

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

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 Ω.