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

ENGINE 157, 278 in MODEL 216, 221 

Shown on engine 278.932 

Fig 1: Identifying 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 Active Body Control suspension		AH32.50-P-0001-01N
	Notes on AIRmatic		AH32.22-P-1000-02SX
1	Completely relieve all pressure in the front suspension struts using STAR DIAGNOSIS	Vehicles with AIRmatic
2	Deactivate easy entry/exit function	Vehicles with code (275) Memory package (driver's seat, steering column, mirrors)
			AR54.30-P-1000-02ESX
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	Fig 2
4	Extract oil from power steering expansion reservoir	Hand pump	Fig 3
5	Detach ground line from battery		AR54.10-P-0003SX
	Notes on battery		AH54.10-P-0001-01A
6	Remove right upper charge air duct	Vehicles without 4MATIC	AR09.41-P-8620MMB
7	Mount engine hoist and raise engine slightly		AR33.10-P-0105SX
		Only raise engine sufficiently that the engine mounts are not under tension.
8	Secure vehicle on the vehicle lift		AR00.60-P-0100SX
9	Remove lower engine compartment paneling	ENGINE 157, 278 in MODEL 216, 221 with CODE Z07 (Top protection)	AR61.20-P-1105SXS
		ENGINE 157, 278 in MODEL 216, 221 without CODE Z07 (Top protection)	AR61.20-P-1105SX
10	Drain engine oil and catch in a suitable container
		ENGINE 157 in MODEL 216, 221	AP18.00-P-0101EWG
		ENGINE 278 in MODEL 216, 221	AP18.00-P-0101EL
11	Detach link rods from stabilizer bar	Vehicles with AIRmatic
		Nut, torsion bar linkage to torsion bar	*BA32.20-P-1001-02O
12	Remove front axle carrier	Vehicles with 4MATIC	AR33.10-P-0001SYZ
		Vehicles without 4MATIC Only tighten screw/bolts and nuts of suspension components when vehicle is in a ready-to-drive condition. When working on the front axle, be careful not to scratch, scribe markings or notch the surfaces of aluminum parts. Otherwise the service life of the of the parts will be reduced. For vehicles with AIRmatic the torsion bar remains on the front axle carrier.	AR33.10-P-0001SX
13	Remove front axle transmission	Vehicles with 4MATIC	AR33.30-P-0525SYZ
14	Remove ALT (G2) and remove downwards		AR15.40-P-5032MMB
		The fan unit and coolant hose from coolant pump to the cooler must not  be removed.
15	Detach alternator cable set from oil pan (2) and place outside of working area	Vehicles with 4MATIC
16	Detach bracket for the ABC oil line at oil pan (2)	Vehicles with code (487) Active Body Control (ABC)
17	Remove front axle transmission support brace at oil pan (2)	Vehicles with 4MATIC
		Screw/bolt, front axle gear support brace to oil pan	*BA01.45-P-1008-01E
18	Detach clamps and bracket on transmission fluid lines	Vehicles with 4MATIC	AR27.55-P-0600SYZ
		Vehicles without 4MATIC	AR27.55-P-0600SX
19.1	Separate, unclip electrical connections on oil level sensor and set aside	Engine 157
			AR18.40-P-5111MMB
19.2	Separate, unclip electrical connection on oil level check switch and set aside	ENGINE 278
			AR18.40-P-5113MM
20	Detach oil lines (6) for turbocharger at oil pan (2) and set aside		AR18.30-P-6850MMB
21	Remove catalytic converter bracket between CAT and transmission	Bolt, catalytic converter bracket to top bracket/transmission housing	*BA49.10-P-1011-01Z
22	Remove heat shield over starter	Vehicles with 4MATIC
23.1	Detach oil dipstick guide tube (5) from oil pan (2) and cylinder head cover and lay to the side in engine compartment	Vehicles with 4MATIC 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
23.2	Remove oil dipstick guide tube (5)	Vehicles without 4MATIC Check sealing ring for oil dipstick guide tube(5) in oil pan (2) and replace if necessary. Ensure correct routing of the connecting cable for the engine oil pump valve.
		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
24	Remove oil pan bottom section (1)		AR01.45-P-7500-04MM
		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
25	Remove screw plugs from oil pan (2)	Vehicles with 4MATIC
		Screw plug to oil pan	*BA01.45-P-1006-01E
26	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
		Bolt, automatic transmission to engine	*BA27.40-P-1008-01A
27	Release oil pan (2) from cylinder crankcase (4) and remove to rear		AR01.45-P-7500-04MM
	Notes on sealant path for oil pan		AH01.45-P-0001-01MMB
		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
28	Remove oil level check switch	Engine 278, for replacing the oil pan (2)	AR18.40-P-5113MM
29	Remove lower guide tube for oil dipstick guide tube (5)	Vehicles without 4MATIC, for replacing the oil pan (2)
	Clean
30	Clean sealing surfaces on oil pan (2) and cylinder crankcase (4)		AR01.00-P-0050-01A
		Loctite 7200	*BR00.45-Z-1038-04A
		Loctite 7063 cleaning spray (150 ml)	*BR00.45-Z-1046-04A
31	Install in the reverse order
	Check
32	Check engine oil level; correct if necessary
		ENGINE 157 in MODEL 216, 221	AP18.00-P-0101EWG
		ENGINE 278 in MODEL 216, 221	AP18.00-P-0101EL
	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
33	Carry out engine test run, checking the engine for leaktightness and proper operation

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

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Hand Pump (210 589 00 71 00)

Courtesy of MERCEDES-BENZ USA