Remove/install oil pan - AR01.45-P-7500ELB

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ENGINE 157, 278 in MODEL 212, 218

ENGINE 278 in MODEL 207

Shown on engine 278.932

Fig 1: Oil Pan Remove/Install Components - Shown On Engine 278.932

Courtesy of MERCEDES-BENZ USA

	Remove/install
	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
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on bolted connections with self tapping screws		AH00.00-P-0007-01SF
	Notes on threaded connections with aluminum screws/bolts		AH00.00-P-0006-01RM
	Notes on AIRmatic		AH32.22-P-1000-02EW
1	Completely relieve all pressure in the front suspension struts using a diagnostic system	Vehicles with code 489 (AIRmatic)
2	Deactivate easy entry/exit feature	Model 212, 218 with code 275 (Driver's seat, steering column and electrically adjusted outside mirrors with memory) Model 207 with code P64 (Memory package)
3	Turn front wheels to straight-ahead position and secure steering wheel with holding device	The steering wheel must not be turned when detaching steering coupling. Otherwise, the clock spring contact will be destroyed.
		Retainer device	Figure
4	Detach ground line from battery		AR54.10-P-0003EW
	Notes on battery		AH54.10-P-0001-01A
5	Mount engine hoist and raise engine slightly	MODEL 207	AR33.10-P-0105CW
		MODEL 212, 218	AR33.10-P-0105EW
		Only raise engine sufficiently that the engine mounts are not under tension.
6	Secure vehicle on the vehicle lift	MODEL 207	AR00.60-P-0100CW
		MODEL 212, 218	AR00.60-P-0100EWS
7	Remove bottom engine compartment paneling		AR61.20-P-1105EW
8	Drain engine oil and catch in a suitable container
		ENGINE 157 in MODEL 212, 218	AP18.00-P-0101EWG
		ENGINE 278 in MODEL 207, 212, 218	AP18.00-P-0101EW
9	Remove alternator		AR15.40-P-5032ELB
10	Remove oil line for transmission cooling	Vehicles without code M005 (4MATIC)	AR27.55-P-0600EV
		Vehicles with code M005 (4M ATIC)	AR27.55-P-0600CWX
11	Detach oil dipstick guide tube (5) from oil pan (2) and cylinder head cover and lay to the side in engine compartment	Replace screw/bolts. Check sealing ring for oil dipstick guide tube (5) in oil pan (2) and replace if necessary.
		Screw/bolt, guide tube to oil pan	*BA01.45-P-1004-01E
		Screw/bolt, guide tube to cylinder head/cylinder head cover/front cover	*BA01.45-P-1005-01E
12	Remove steering coupling	MODEL 207	AR46.10-P-8000CW
		MODEL 212, 218	AR46.10-P-8000EW
13	Detach oil lines (6) for turbocharger at oil pan (2) and set aside		AR18.30-P-6850ELB
14.1	Separate, unclip electrical connections on oil level sensor and set aside	ENGINE 157 in MODEL 212, 218
			AR18.40-P-5111ELB
14.2	Separate, unclip electrical connection on oil level check switch and set aside	ENGINE 278 in MODEL 207 ENGINE 278 in MODEL 212, 218
		MODEL 207	AR18.40-P-5113FH
		MODEL 212, 218	AR18.40-P-5113EL
15	Detach bracket for level sensors from spring control arm
16	Loosen and lower front axle carrier somewhat	Model 207, 212, 218 except code M005 (4MATIC)
		MODEL 207	AR33.10-P-0001CW
		MODEL 212, 218	AR33.10-P-0001EW
		Only tighten nuts and bolts of suspension components when vehicle is in a ready-to-drive condition. When working on the front axle, be careful not to scratch, make scribe markings or notches on the surfaces of aluminum parts. Otherwise the service life of the of the parts will be reduced.
17	Remove front axle transmission	Vehicles with code M005 (4MATIC)	AR33.30-P-0525CWX
18	Remove support brace for front axle transmission	Vehicles with code M005 (4MATIC)
		Screw/bolt, front axle gear support brace to oil pan	*BA01.45-P-1008-01E
19	Remove screw plugs from oil pan (2)	Vehicles with code M005 (4MATIC)
		Screw plug to oil pan	*BA01.45-P-1006-01E
20	Remove oil pan bottom section (1)		AR01.45-P-7500-04MM
	Notes on sealant path for oil pan		AH01.45-P-0001-01MMB
		Notes on sealant path for oil pan bottom section (1).
		Bolt, oil pan bottom section to oil pan	*BA01.45-P-1003-01E
		Loctite 5970 sealant	*BR00.45-Z-1013-01A
21	Remove bolts connecting transmission to engine	Model 212, 218 with code M005 (4MATIC)	AR27.10-P-0500CWX
		Model 212, 218 except code M005 (4MATIC)	AR27.10-P-0500EV
		MODEL 207	AR27.10-P-0500CV
22	Remove screw/bolts (2a) from oil pan (2)	Pay attention to different lengths of screw/bolts.
		Screw/bolt, oil pan to crankcase/timing case cover/rear end cover	*BA01.45-P-1001-01E
		Screw/bolt, oil pan to crankcase at transmission end	*BA01.45-P-1002-01E
23	Release oil pan (2) from cylinder crankcase (4) and remove to rear		AR01.45-P-7500-04MM
		Apply sealant to sealing surface of oil pan (2) and, in doing so, observe notes on sealant path on the oil pan (2).
		Loctite 5970 sealant	*BR00.45-Z-1013-01A
24	Remove oil level check switch	Engine 278, for replacing the oil pan (2)
		MODEL 207	AR18.40-P-5113FH
		MODEL 212, 218	AR18.40-P-5113EL
	Clean
25	Clean sealing surfaces on oil pan (2) and cylinder crankcase (4)		AR01.00-P-0050-01A
		Do not use any sharp-edged tools or abrasive paper. The sealing surfaces will be damaged otherwise.
		Loctite 7200	*BR00.45-Z-1038-04A
		Loctite 7063 cleaning spray (150 ml)	*BR00.45-Z-1046-04A
26	Install in the reverse order
	Check
27	Check engine oil level; correct if necessary
		ENGINE 157	AP18.00-P-0101EWG
		ENGINE 278	AP18.00-P-0101EW
	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
28	Carry out an engine test run, checking the engine for leaktightness and proper function

OIL PAN

Number	Designation			ENGINE 157	ENGINE 278
BA01.45-P-1001-01E	Screw/bolt, oil pan to crankcase/timing case cover/rear end cover	M6	Nm	9	9

OIL PAN

Number	Designation			ENGINE 157	ENGINE 278
BA01.45-P-1002-01E	Screw/bolt, oil pan to crankcase at transmission end	M8	Nm	20	20

OIL PAN

Number	Designation		ENGINE 157	ENGINE 278
BA01.45-P-1003-01E	Bolt, oil pan bottom section to oil pan	Nm	14	14

OIL PAN

Number	Designation		ENGINE 157	ENGINE 278
BA01.45-P-1004-01E	Screw/bolt, guide tube to oil pan	Nm	5	5

OIL PAN

Number	Designation		ENGINE 157	ENGINE 278
BA01.45-P-1005-01E	Screw/bolt, guide tube to cylinder head/cylinder head cover/front cover	Nm	5	5

OIL PAN

Number	Designation			ENGINE 157	ENGINE 278
BA01.45-P-1006-01E	Screw plug to oil pan	M26	Nm	20	20

OIL PAN

Number	Designation			ENGINE 157	ENGINE 278
BA01.45-P-1008-01E	Screw/bolt, front axle gear support brace to oil	M12	Nm pan	60	60

Fig 2: Identifying Retainer Device (129 589 01 21 00)

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1013-01A	Loctite 5970 sealant	A 003 989 98 20
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