Empty fuel tank if fuel pump is faulty - AR47.10-P-4000V

MODEL 171 with ENGINE 113.989, 271, 272 

Shown on ENGINE 272 

Fig 1: Identifying Service Valve, Valve Element And Extraction Hose - Shown On Engine 272

Courtesy of MERCEDES-BENZ USA

	Remove
	Risk of explosion  caused by fuel igniting, risk of poisoning  caused by inhaling and swallowing fuel as well as risk of injury  to eyes and skin caused by contact with fuel.	No fire, sparks, open flames or smoking. Pour fuels only into suitable and appropriately marked containers. Wear protective clothing when handling fuel.	-
1	Open fuel filler flap and filler cap	so that there is no vacuum in the fuel tank when pumping out the fuel.
	Risk of injury  caused by fingers being jammed or pinched  when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.	When moving components, ensure that no body parts or limbs are within the operating range of moving parts.	-
2	Open engine hood		AR88.40-P-1000V
3	Remove engine trim panel	Engine 271	-
		Engine 272	AR09.10-P-1150VA
		Engine 113.989	AR09.10-P-1150AC
4	Unscrew the cap from the service valve (2)	In engine 113.989, the service valve is located above the right cylinder bank.
5	Screw on pressure hose at service valve (2) and release fuel pressure	Use safety tank for collecting the fuel.
		Pressure hose	Fig 2
6	Unscrew pressure hose from service valve (2)	Pressure hose	Fig 2
7	Unscrew the valve element (3) and connect the extraction hose (4) of the suction master at the service valve (2)	Suction master	*WE58.40-Z-1001-22A
	Draining
8	Connect the grounding line of the suction master at the ground of the vehicle	Suction master	*WE58.40-Z-1001-22A
9	Pump fuel with the suction master into the safety tank	Observe manufacturer's operating instructions and notes.
		Fuel tank capacity	*BF47.10-P-1001-01A
		Suction master	*WE58.40-Z-1001-22A
	Charging
10	Pump fuel out of the safety tank through the filler hole into the fuel tank	Suction master	*WE58.40-Z-1001-22A
	Install
11	Remove grounding line of suction master from vehicle	Suction master	*WE58.40-Z-1001-22A
12	Screw valve element (3) into service valve (2)	In engine 113.989, the service valve (2) is located above the right cylinder bank.
13	Screw on cap at service valve (2)
14	Reinstall engine cover	-	-
		Engine 272	AR09.10-P-1150VA
		Engine 113.989	AR09.10-P-1150AC
	Risk of injury  caused by fingers being jammed or pinched  when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.	When moving components, ensure that no body parts or limbs are within the operating range of moving parts.	-
15	Close engine hood		AR88.40-P-1000V
16	Screw on filler cap and close fuel filler flap

Fig 2: Identifying Pressure Hose (119 589 04 63 00)

Courtesy of MERCEDES-BENZ USA