Remove/install fuel injectors - AR07.03-P-0004EL

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ENGINE 276 in MODEL 212, 218

Shown on model 212.080 with engine 276.952

Fig 1: Center Section Of Bulkhead - Shown On Model 212.080

Courtesy of MERCEDES-BENZ USA

Shown on model 212.065 with engine 276.820

Fig 2: Fuel Injectors Remove/Install Components - Shown On Model 212.065 (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 3: Fuel Injectors Remove/Install Components - Shown On Model 212.065 (2 Of 2)

Courtesy of MERCEDES-BENZ USA

	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
	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.	No parts of the body or limbs should be within the operating area when the components are moving.	AS00.00-Z-0011-01A
	General information on work on gasoline direct injection system		AH07.00-P-2000-01A
	Remove/install
1	Disconnect battery ground line		AR54.10-P-0003EW
	Notes on battery		AH54.10-P-0001-01A
2	Remove center section of the bulkhead (78)	ENGINE 276.9 in MODEL 212, 218 ENGINE 276.9 in MODEL 212.095/195 Ensure correct seating of the center section of the bulkhead (78).	AR61.25-P-6600EW
3	Remove rails (1)		AR07.03-P-1010EL
4	Mark fuel injectors (Y76) relative to the respective cylinder	If fuel injectors (Y76) are replaced, the transport protective caps on the fuel injectors (Y76) should not be removed until one hour before assembly at the earliest. Leaks can occur otherwise. When reusing the fuel injectors (Y76) they must be inserted into the same cylinder in which they were previously installed.
5	Remove fuel injectors (Y76) from the cylinder head	Oil which comes out during disassembly of the rail (1) or from the fuel injectors (Y76) is safe. The rail (1) or the fuel injectors (Y76) can be re-used. The fuel injectors (Y76) must be installed together with the rail (1). In case of jammed fuel injectors (Y76): ↓ Remove injection nozzle (Y76).
			AR07.03-P-0004-03MM
		Puller	Figure
	Check
6	Check fuel injectors (Y76) for external damage	In a case of damage to the stems or to the mounts of the sealing package on the fuel injectors (Y76): ↓ Replace fuel injectors
7	Replace sealing rings (2) and seals (4) on the fuel injectors (Y76)
8	Replace sealing rings (3) for fuel injectors (Y76)		AR07.03-P-0004-01MM
		Fuel injectors (Y76) must be installed immediately after calibration of the sealing rings (3). The sealing rings (3) will swell otherwise under the influence of the air humidity and will therefore be damaged in during assembly.
		Assembly cleaner	*BR00.45-Z-1028-04A
		Assembly tool	Figure
9	Install in the reverse order
10	Store injector quantity compensation (IMA) coding in ME-SFI [ME] control unit	For installation of new fuel injectors (Y76)
			AD00.00-P-2000-04A
11	Read out fault memory using the diagnostic system and clear if necessary
			AD00.00-P-2000-04A
	Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
12	Carry out engine test run, checking the engine for proper operation and leaktightness of the fuel system

Fig 4: Identifying Puller (278 589 00 33 00)

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Assembly Tool (272 589 00 43 00)

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1028-04A	Assembly cleaner	Adolf Wurth GmbH & Co. KG