Remove/install left cylinder head - AR01.30-P-5770EL

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ENGINE 276.9 in MODEL 212, 218

Shown on model 218.355

Fig 1: Left Cylinder Head Remove/Install Components - Shown On Model 218.355 (1 Of 5)

Courtesy of MERCEDES-BENZ USA

Fig 2: Left Cylinder Head Remove/Install Components - Shown On Model 218.355 (2 Of 5)

Courtesy of MERCEDES-BENZ USA

Fig 3: Left Cylinder Head Remove/Install Components - Shown On Model 218.355 (3 Of 5)

Courtesy of MERCEDES-BENZ USA

Fig 4: Left Cylinder Head Remove/Install Components - Shown On Model 218.355 (4 Of 5)

Courtesy of MERCEDES-BENZ USA

Fig 5: Left Cylinder Head Remove/Install Components - Shown On Model 218.355 (5 Of 5)

Courtesy of MERCEDES-BENZ USA

	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
	Note on the -voltage on-board electrical system		AH54.00-P-0010-01A
	General information on work on gasoline direct injection system		AH07.00-P-2000-01A
	Remove/install
1	Perform enable for the high voltage on-board electrical system	MODEL 212.095/195	AR54.10-P-1150EH
2	Remove bulkhead (78)	MODEL 212.095/195 Pay attention to correct seating of bulkhead (78).	AR61.25-P-6600EW
3	Remove guide tube of oil dipstick		AR18.40-P-3510EL
4	Remove cylinder head cover		AR01.20-P-5013EEL
5.1	Remove exhaust manifold with CAT	ENGINE 276.9 in MODEL 212, 218 with CODE 920 (Direct petrol injection with stratified charging)	AR14.10-P-4095EL
5.2	Remove exhaust manifold	ENGINE 276.9 in MODEL 212, 218
		without CODE 920 (Direct petrol injection with stratified charging)	AR14.10-P-3006EHV
6	Drain coolant		AR20.00-P-1142EL
	Notes on coolant		AH20.00-N-2080-01A
7	Remove coolant thermostat		AR20.10-P-2460EL
8	Remove coolant pipe (6)	Install new coolant pipe (6).
9	Unclip electrical lines for knock sensors on heating system shutoff valve (Y16/2)
10	Detach coolant hose (4) for exhaust gas recirculation positioner and coolant hose to the heater cooler at heating system shutoff valve (Y16/2)		AR09.41-P-1311-01AL
		Hose clamp pliers	Fig 8
11	Remove heating system shutoff valve (Y16/2)	Replace seal.
		Bolt, heater feed to cylinder head	*BA20.10-P-1006-01AA
12	Pull coolant temperature sensor (B11/4) out of cylinder head (1l)	Replace seal.
13	Remove chain tensioner		AR05.10-P-7800EL
14	Pull out sliding rail bolts (5) out of cylinder head (1l)	Apply sealant to slide rail pins (5) before inserting them.
		Impact extractor	Fig 9
		Threaded bolt	Fig 7
15	Remove camshafts (1A, 1E)	The camshaft (1A, 1E) and camshaft positioner must be removed together.	AR05.20-P-6992EL
16	Loosen cylinder head bolts (1) in stages in reverse order of tightening procedure and remove them		AR01.30-P-5800-01MMA
		Only loosen cylinder head bolts (1s) when engine has cooled off. The cylinder head (1l) can be deformed by stresses otherwise. Replace cylinder head bolts (1s).
		Bolt, cylinder head to crankcase	*BA01.30-P-1001-01W
		Bolt, cylinder head to timing case cover	*BA01.30-P-1002-01W
17	Remove cylinder head (1l) from crankcase (2)
	Notes on sealant path for cylinder crankcase		AH01.40-P-1000-08MM
	Cylinder head changed		BT01.30-P-0004-01MM
		Apply sealant to cylinder crankcase (2). Fit new cylinder head gasket onto the crankcase (2). Pay attention to pilot bushing for fixing the cylinder head (1).
		Application gun	Figure
	Clean
18	Clean sealing surfaces at cylinder head (1l) and at cylinder crankcase (2)		AR01.00-P-0050-01A
		Do not use any sharp-edged tools or abrasive paper. The sealing surfaces can be damaged otherwise.
		Loctite 7200	*BR00.45-Z-1038-04A
		Loctite 7063 cleaning spray (150 ml)	*BR00.45-Z-1046-04A
19	Blow out threaded holes for cylinder head bolts (1s) in crankcase (2) with compressed air, and clean off the engine oil and the coolant
20	Check sealing surfaces on cylinder head (1l) and crankcase (2) for cracks and unevenness	The cylinder head (1l) and crankcase (2) must not be reworked (surface grinding). The left cylinder head (1l) or the cylinder crankcase (2) may be destroyed otherwise due to exceeding the machining tolerances.
21	Install in the reverse order
22	Change engine oil and oil filter element
			AP18.00-P-0101CWZ
	Check
24	Check basic position of the camshafts (1A, 1E)		AR05.20-P-6020EL
25	Check engine cooling system for leaktightness		AR20.00-P-1010EL
	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
26	Carry out an engine test run and check engine and fuel system for leaktightness

CYLINDER HEAD

Number	Designation				ENGINE 276
BA01.30-P-1001-01W	Bolt, cylinder head to	M11 crankcase	Stage 1	Nm	20
			Stage 2	Nm	40
			Stage 3	∠°	90
			Stage 4	∠°	90

CYLINDER HEAD

Number	Designation			ENGINE 276
BA01.30-P-1002-01W	Bolt, cylinder head to timing case cover	M7	Nm	14

COOLANT PUMP, COOLANT THERMOSTAT

Number	Designation		ENGINE 276
BA20.10-P-1006-01AA	Bolt, heater feed to cylinder head	Nm	9

Fig 6: Identifying Application Gun (112 589 00 25 00)

Courtesy of MERCEDES-BENZ USA

Fig 7: Identifying Threaded Bolt (116 589 01 34 00)

Courtesy of MERCEDES-BENZ USA

Fig 8: Identifying Hose Clamp Pliers (003 589 03 37 00)

Courtesy of MERCEDES-BENZ USA

Fig 9: Identifying Impact Extractor (116 589 20 33 00)

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1038-04A	Loctite 7200	Henkel Loctite Deutschland GmbH
BR00.45-Z-1046-04A	Loctite 7063 cleaning spray (150 ml)	A 001 986 71 71 10