Intank fuel pump, location/task/design/function - GF47.20-P-4001HA

ENGINE 113.991 in MODEL 215, 220 

ENGINE 113.992 in MODEL 230 up to Model Year 2008 

ENGINE 113.993 in MODEL 463 up to 31.5.12 

ENGINE 113.995 in MODEL 230 up to Model Year 2008 

Shown on fuel tank for models 230, 463 

Fig 1: Identifying Fuel Pressure Regulator (5.3 Bar), Splash Bowl And Intake Fuel Pump

Courtesy of MERCEDES-BENZ USA

	Intank fuel pump, location	The intank fuel pump is located in the fuel tank next to the swirl pot.
		Models 215, 220	GF47.20-P-4001-01HA
	Intank fuel pump, task	The intank fuel pump ensures an adequate fuel level in the swirl pot at a high engine load or high engine speed and at a low fuel return.
	Intank fuel pump, design	The design of the intank fuel pump is comparable to that of the main fuel pump (M3.). The only difference to the main fuel pump is the maximum delivery volume of at about 220 l/h at a delivery pressure of 0.3 bar.
	Intank fuel pump, function	Actuation takes place via the intank fuel pump (K27/5, K40/8kX) relay of the ME control unit (N3/10). Model 230 up to 06/2002: Actuation of the intank fuel pump relay takes place via the intank fuel pump control unit (N118/1).