Remove/install fuel distributor with injection valves (ME-SFI) - AR07.03-P-1451GZS (ML63 AMG)

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ENGINE 156 in MODEL 164, 251

Fig 1: Identifying Fuel Distributor With Injection Valves (ME-SFI) Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
	Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with fuel.	No fire, sparks, open flames or smoking. Only pour fuels into suitable and appropriately marked containers. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
	Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof.	Keep body parts and limbs well clear of moving parts.	AS00.00-Z-0011-01A
1	Open engine hood	Model 164	AR88.40-P-1000GZ
		Model 251	AR88.40-P-1000RT
2	Remove the partition wall between the wheelhouses	Only model 251.	AR62.30-P-2400RT
3	Remove air filter housing	Do not tilt front engine cover, but lift upwards vertically otherwise the retaining lugs can break off.	AR09.10-P-1150GZS
4	Unscrew cap (9) from service valve
5	Reduce fuel pressure with pressure hose via service valve	Collect fuel in a suitable container.	AR07.03-P-1460-01TMG
		Pressure hose	Fig 2
6	Detach fuel line from fuel distributor rail (1)	Allow escaping fuel to drain into a suitable container.
			*BA07.03-P-1001-01C
7	Remove electrical connectors at fuel injection valves (Y62)
8	Disconnect electrical connectors at fuel distributor rail (1)
9	Remove bolts (8) on fuel distributor rail (1)	Installation: Replace O-rings of fuel injection valves (Y62). Apply liquid lubricant to O-rings.
			*BA07.03-P-1002-01C
		Lubricant	*BR00.45-Z-1002-06A
10	Lift fuel distributor rail (1) and fuel injection valves (Y62) from intake manifold (22)	Installation: Check sealing ring (12) for damage and replace if required. Installation: Wet sealing ring (12) with liquid lubricant before inserting fuel injection valves (Y62).
		Lubricant	*BR00.45-Z-1002-06A
	Checking
11	Check fuel injection valves (Y62) with STAR DIAGNOSIS	STAR DIAGNOSIS diagnostic system	*WH58.30-Z-1048-13A
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
		If necessary: ↓
		Replace fuel injection valves	AR07.03-P-6520GZS
12	Install in the reverse order
	Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
13	Carry out engine test run and check fuel system for leaks	In the event of oil loss determine and eliminate cause, otherwise malfunctions, transmission damage, and serious environmental pollution may occur.

INJECTION NOZZLES, INJECTION VALVES, LINES

Number	Designation		Engine 156
BA07.03-P-1001-01C	Union nut, fuel feed line to fuel distributor	Nm	20
BA07.03-P-1002-01C	Bolt connecting fuel distributor to resonance intake manifold	Nm	9

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

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1048-13A	STAR DIAGNOSIS diagnostic system, Compact Passenger Car	6511 1801 00

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1002-06A	Lubricating paste, rubber parts 2.5 kg, DB supply specification 6867.00	A 000 989 01 60