Remove/install oil lines of oil cooling for automatic transmission - AR27.55-P-0600LF

TRANSMISSION 722.9 in MODEL 217, 222 with engine 157 

TRANSMISSION 722.9 in MODEL 217, 222 with engine 276.8 

TRANSMISSION 722.9 in MODEL 217, 222 with engine 278 

TRANSMISSION 722.9 in MODEL 222 with engine 642 

Shown on engine 278 with transmission 722.967 

Fig 1: Automatic Transmission Oil Cooling Lines Remove/Install Components - Shown On Engine 278 With Transmission 722.967 (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Illustration shows oil lines on engine 278 with transmission 722.967 

Fig 2: Automatic Transmission Oil Cooling Lines Remove/Install Components - Shown On Engine 278 With Transmission 722.967 (2 Of 2)

Courtesy of MERCEDES-BENZ USA

	Risk of injury.  Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Risk of injury  to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning  from swallowing hydraulic fluid.	Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses.	AS00.00-Z-0013-01A
	Notes on automatic transmission		AH27.19-P-0001-01NKB
	Remove/install
1	Attach engine hoist	Transmission 722.9 in model 217 with engine 157 Transmission 722.9 in model 217 with engine 278 Transmission 722.9 in model 217, 222 with engine 276.8 Transmission 722.9 in model 222 with engine 157 Transmission 722.9 in model 222 with engine 278	AR33.10-P-0105LF
2	Remove lower engine compartment paneling		AR61.20-P-1105LF
3	Detach right and left oil lines (2, 3) from oil cooler (1)	Do not yet pull the right and left oil lines (2, 3) out of the oil cooler (1).	AR27.10-P-0501-03LF
		Record plug	Fig 3
4.1	Remove bracket securing catalytic converters to automatic transmission	Transmission 722.9 in model 217, 222 with engine 276.8 except code M005 (4MATIC)	AR49.10-P-7100LF
4.2	Remove catalytic converter on the left and right	Transmission 722.9 in model 217, 222 with engine 157 with code M005 (4MATIC) Transmission 722.9 in model 217, 222 with engine 276.8 with code M005 (4MATIC) Transmission 722.9 in model 217, 222 with engine 278 with code M005 (4MATIC)	AR49.10-P-7100LF
5	Remove bolts securing front engine mounts from front axle carrier and raise engine slightly	Transmission 722.9 in model 217, 222 with engine 157 Transmission 722.9 in model 217, 222 with engine 278	AR22.10-P-1260LF
6	Detach rack-and-pinion steering from front axle carrier, support with telescopic lifter and lower slightly	Transmission 722.9 in model 217, 222 with engine 157 with code M005 (4MATIC) Transmission 722.9 in model 217, 222 with engine 276.8 with code M005 (4MATIC) Transmission 722.9 in model 217, 222 with engine 278 with code M005 (4MATIC) Transmission 722.9 in model 222 with engine 642 Only lower the rack-and-pinion steering enough so that the ball heads are not subject to tension. The ball heads will otherwise be damaged.	AR46.20-P-0600LF
7	Detach clamp (4) and bracket (5) of right and left oil lines (2, 3)	Bolt, clamp of oil cooler oil line to engine oil pan	*BA27.55-P-1006-01D
8	Detach double clamp (6) of right and left oil lines (2, 3)	Bolt, clamp to oil line	*BA27.55-P-1004-01D
9	Loosen rear engine mount and lower automatic transmission slightly	Transmission 722.9 in model 217, 222 with engine 157 with code M005 (4MATIC) Transmission 722.9 in model 217, 222 with engine 276.8 with code M005 (4MATIC) Transmission 722.9 in model 217, 222 with engine 278 with code M005 (4MATIC) Transmission 722.9 in model 222 with engine 642 with code M005 (4MATIC) Never use impact wrench or compressed air tools for screwing in or unscrewing the bolts! Otherwise, the threads may be damaged.	AR22.10-P-1180LF
10	Remove screw/bolt securing right oil line (2) to transfer case, pull right oil line (2) out of transfer case and seal with a suitable stop plug	Transmission 722.9 in model 217, 222 with engine 157 with code M005 (4MATIC) Transmission 722.9 in model 217, 222 with engine 276.8 with code M005 (4MATIC) Transmission 722.9 in model 217, 222 with engine 278 with code M005 (4MATIC) Transmission 722.9 in model 222 with engine 642 with code M005 (4MATIC)
		Oil cooler oil line/oil supply line to transfer case	*BA27.55-P-1007-01D
		Record plug	Fig 3
11	Detach right and left oil lines (2, 3) from automatic transmission and seal with suitable stop plugs	Replace bolts.
		Bolt, oil line to transmission housing	*BA27.55-P-1002-01D
		Record plug	Fig 3
12	Pull right and left oil lines (2, 3) out of oil cooler (1) and seal with suitable stop plugs	Record plug	Fig 3
13.1	Remove right and left oil lines (2, 3)	Transmission 722.9 in model 217, 222 with engine 157 except code M005 (4MATIC) Transmission 722.9 in model 217, 222 with engine 276.8 except code M005 (4MATIC) Transmission 722.9 in model 217, 222 with engine 278 except code M005 (4MATIC) Transmission 722.9 in model 222 with engine 642 Replace seals.
13.2	Remove left oil line (3)	Transmission 722.9 in model 217, 222 with engine 157 with code M005 (4MATIC) Transmission 722.9 in model 217, 222 with engine 276.8 with code M005 (4MATIC) Transmission 722.9 in model 217, 222 with engine 278 with code M005 (4MATIC)
14	Detach propeller shaft from front axle transmission and hang to one side	Transmission 722.96 in model 217, 222 with engine 276.8 with code M005 (4MATIC) Transmission 722.96 in model 217, 222 with engine 278 with code M005 (4MATIC) Transmission 722.97 in model 217, 222 with engine 157 with code M005 (4MATIC)	AR41.10-P-0070LFX
15	Remove right oil line (2)	Transmission 722.9 in model 217, 222 with engine 157 with code M005 (4MATIC) Transmission 722.9 in model 217, 222 with engine 276.8 with code M005 (4MATIC) Transmission 722.9 in model 222 with engine 278 with code M005 (4MATIC)
16	Install in the reverse order
17	Check oil level in A/T and correct if necessary	Transmission 722.96 in model 217, 222 with engine 276.8 Transmission 722.96 in model 217, 222 with engine 278 Transmission 722.96 in model 222 with engine 642	AR27.00-P-0270SYZ
		Transmission 722.9 (except 722.96) in model 217, 222 with engine 157 Transmission 722.9 (except 722.96) in model 217, 222 with engine 276.8 Transmission 722.9 (except 722.96) in model 217, 222 with engine 278 Transmission 722.9 (except 722.96) in model 222 with engine 642	AR27.00-P-0270W
	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
18	Perform engine test run and check automatic transmission for proper operation and leaktightness

Fig 3: Identifying Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA