Remove/Install Engine With Transmission - AR01.10-P-2401MFG

Engine 139 in model 118, 177, 247 with transmission 724.1

Courtesy of MERCEDES-BENZ USA

Shown on model 177

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

	Risk of death caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	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 explosion caused by fuel igniting. Risk of injury to skin and eyes caused by fuel spraying out at high pressure	Keep all ignition sources out of hazard area. Do not carry out any work on system when it is pressurized.	AS07.16-Z-0001-01A
	Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.	Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the overpressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses.	AS20.00-Z-0001-01A
	Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.	No parts of the body or limbs should be within the operating area of mechanical components when moving components.	AS00.00-Z-0009-01A
	Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.	Wear protective clothing and safety glasses. Use the extraction system. Move people out of the danger zone.	AS49.00-Z-0001-01A
	Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil	Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers.	AS18.00-Z-0001-01A
	Risk of injury caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
Notice	Notes on self-locking nuts and bolts		AH00.00-P-0001-01KOA
Notice	Notes on bolted connections with self tapping screws		AH00.00-P-0007-01SF
Notice	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
Notice	Notes on coolant		AH20.00-P-2080-01KOA
Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on automatic transmission		AH27.19-P-0001-01NKB
	Use of engine no. when installing reconditioned engines and factory-new replacement engines or crankcases		AH01.10-P-0001-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Remove/install
1	Put transmission into neutral position.
2	Secure vehicle against rolling away and release parking brake.
3	Lift vehicle and secure on vehicle lift.		AR00.60-P-1006A
4	Remove upper engine cover.
		Do not install upper engine cover until after the leak test.	AP01.10-P-2405-01K
5	Remove battery carrier.		AR54.10-P-0028MFA
6	Release, disconnect purge line (2) and seal exposed openings with suitable stop plugs.	Do not crush, kink or subject purge line (2) to tension. This will result in damage to purge line (2) and impair its function. Record plug	Fig 4
7	Disconnect engine wiring harness for removal of the engine.	o not crush or kink or subject electric lines to tension. This will result in damage to electric lines and impair their function.	AR15.18-P-1000-05MFG
8	Release and disconnect electrical connectors (1) at ME-SFI [ME] control unit (N3/10).	Do not crush or kink or subject electric lines to tension. This will result in damage to electric lines and impair their function.
9	Remove air filter housing.		AR09.10-P-1150MFG
10	Remove the coolant expansion reservoir.		AR20.30-P-4949MFG
11	Disconnect inerting system line in engine compartment and seal openings with suitable stop plugs.	Engine 139 in model 118, 177, 247 with transmission 724.1 with code 2U8 (Alternative refrigerant)	AR86.10-P-0119MFA
		Record plug	Fig 4
12	Disconnect fuel line (4) on engine-side and seal openings with suitable stop plugs.	Do not crush, kink or subject fuel line (4) to tension. This will result in damage to fuel line (4) and impair its function. Replace clamp.
		Record plug	Fig 4
		Pliers for click clamps	Fig 2
13	Disconnect vacuum line (5) on engine-side and seal openings with suitable stop plugs.	Do not crush, kink or subject vacuum line (5) to tension. This will result in damage to vacuum line (5) and impair its function. Record plug	Fig 4
14	Remove front module.	Only install lower engine compartment lining after leak test. Aid of helper required.	AR88.30-P-1064MFG
15	Remove refrigerant line (3) from separating point and seal exposed openings with suitable stop plugs.
	Compressor oils (specification 362.1)	Replace seals. Wet seals with compressor oil.	BB00.40-P-0362-01A
		Nut, refrigerant line connecting point	*BA83.30-P-1002-01T
		Record plug	Fig 4
		Assembly tool	Fig 3
16	Remove exhaust system downstream of catalytic converter.		AR49.10-P-7286MFG
17	Remove propeller shaft.	Engine 139 in model 118, 177, 247 with transmission 724.1 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0050MFA
18	Remove front axle shafts.		AR33.30-P-0620MFA
19	Remove lower engine stabilizer mount.		AR22.10-P-1155MFG
20	Attach engine support fixture and support engine.	Do not lift engine with transmission too powerfully. Engine suspension will otherwise be damaged.	AR01.10-P-0106MFA
21	Remove right engine mount.		AR22.10-P-1102MFG
22	Remove transmission suspension mount.		AR27.10-P-0002MFA
23	Disconnect coolant lines (6) from transmission and seal openings with suitable stop plugs.		AR20.20-P-7441-01RQ
		Do not crush, kink or subject coolant lines (6) to tension. This will result in damage to coolant lines (6) and impair their function. Record plug	Fig 4
24	Remove screw (7).	M6x1	*BA00.10-P-1002-04A
25	Disconnect coolant line (8) at transmission, seal openings with suitable stop plugs and position outside the working area.		AR20.20-P-7441-01RQ
		Do not crush, kink or subject coolant line (8) to tension. This will result in damage to coolant line (8) and impair its function. Record plug	Fig 4
26	Release and disconnect electrical connector (9).
27	Remove electrical wiring harness (10) from transmission and position outside the working area.	Do not crush or kink or subject electric lines to tension. This will result in damage to electric lines and impair their function. Clip remover	Fig 5
28	Remove wiring harness at starter and position outside the working area.		AR15.30-P-7100-03MFG
		Nut, connection for terminal designation 30	*BA15.30-P-1001-01J
29	Remove wiring harness for alternator from engine.		AR15.18-P-0016MFG
30	Move out engine with the transmission toward the front out of the vehicle.
	000 588 25 62 00 Lift table		WS01.00-P-0264A
		Do lines and hoses may be damaged when removing/inserting engine with transmission. Otherwise leaks and engine damage can occur. Aid of helper required. Support fixture	Fig 1
31	Install in the reverse order.
32	Perform commissioning of transmission.	When replacing or repairing the transmission.
			AD00.00-P-2000-06MFA
33	Fill transmission with oil.	When replacing or repairing the transmission. New transmission is delivered empty.	AR27.00-P-0272MFA
34	Check oil level of dual-clutch transmission, correct if necessary.		AR27.00-P-0104MFA
35	Check engine oil level, correct if necessary.	Engine 139 in model 118, 177, 247 with transmission 724.1
			AP18.00-P-1812AKI
	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
36	Perform engine test run; in this connection, check engine and dual-clutch transmission for proper operation and leak tightness.
37	Install lower engine compartment lining.		AR61.20-P-1105MFR
38	Install upper engine cover.
			AP01.10-P-2405-01K
39	Read out and delete fault memory.		AD00.00-P-2000-06MFA