Remove/Install Fuel Pump And Fill Level Sensor - Ar47.20-D-7000SD

ENGINE 642, 651 in MODEL 906 

Shown on vehicle without code XM0 (Facelift) with auxiliary heater 

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Shown on vehicle without code XM0 (Facelift) 

	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 fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
	Remove
1	Remove fuel tank (1)		AR47.10-D-4100SD
2	Disconnect electrical connection (2) on fuel pump with fill level sensor (M3/5)
3	Unlock fuel feed line (4) and fuel return line (3) on fuel pump with fill level sensor (M3/5) and detach
4	Unlock auxiliary heater (5) fuel line on fuel pump with fill level sensor (M3/5) and detach	ENGINE 642, 651 in MODEL 906 with CODE H12 (Auxiliary hot-water heater)
5	Unscrew union nut (6) on fuel tank (1)	Hook wrench	*639589000700
6	Remove fuel pump with fill level sensor (M3/5) from the fuel tank (1)	Catch fuel with rag.
	Install
7	Insert fuel pump with fill level sensor (M3/5) into fuel tank (1)	Replace sealing ring. Make sure that the sealing ring is seated correctly.
8	Place union nut (6) on fuel tank (1) in such a way that the marking (10) stands opposite marking (9)	Replace union nut (6).
9	Continue to turn union nut (6) using torque wrench from this position by about 1.5 revolutions until marking (10) stands between markings (7, 8)	The checking torque must reach between markings (7, 8).
		Union nut, fuel level sensor to fuel tank	*BA47.10-N-1001-01E
		Hook wrench	*639589000700
10	Place auxiliary heater (5) fuel line on fuel pump with fill level sensor (M3/5) and lock	ENGINE 642, 651 in MODEL 906 with CODE H12 (Auxiliary hot-water heater)
11	Place fuel feed line (4) and fuel return line (3) on fuel pump with fill level sensor (M3/5) and lock in position
12	Contact electrical connection (2) on fuel pump with fill level sensor (M3/5)
13	Install fuel tank (1)		AR47.10-D-4100SD
14	Connect diagnostic system, clear fault memory and perform initialization of the fuel pump with fill level sensor (M3/5) with diagnostic system	For renewal of the fuel pump with fill level sensor (M3/5)
			AD00.00-D-2000-04SD

Courtesy of MERCEDES-BENZ USA