Remove/Install Oil Lines Of Oil Cooling For Automatic Transmission - AR27.55-P-0600LWH

Transmission 724.2 in model 205, 253 with engine 274.9 

Transmission 724.2 in model 205 with engine 274.9 

Transmission 724.2 in model 253 with engine 274.9 

Courtesy of MERCEDES-BENZ USA

Fig 1: Automatic Transmission Oil Cooling Lines Components Location - Transmission 724.2 With Engine 274.9 In Model 205

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	Remove engine compartment paneling		AR61.20-P-1105LW
		Only install the lower engine compartment lining after the leak test.
2	Thoroughly clean area around oil lines (2) on oil cooler (3)
3	Detach retaining clamps (1) of oil lines (2)	Bolt, bracket for oil line to transmission	*BA27.10-P-1010-04G
		Bolt, oil line bracket to oil pan	*BA27.10-P-1011-04G
4	Detach oil lines (2) from oil cooler (3)		AR27.10-P-0501-03LF
		Record plug	Fig 2
5	Seal openings in oil cooler (3) using suitable stop plugs	Record plug	Fig 2
6	Disconnect middle electrical connector of steering and place to one side	Transmission 724.2 in model 205 with engine 274.9	AR46.20-P-0600LW
7	Detach oil lines (2) from automatic transmission and seal using suitable stop plugs	Bolt, oil line to transmission	*BA27.10-P-1009-04G
		Record plug	Fig 2
8	Seal openings in automatic transmission using suitable stop plugs	Record plug	Fig 2
9	Remove oil lines (2) toward rear	Replace seals
10	Install in the reverse order
	Check
11	Check fluid level in automatic transmission and adjust to correct level		AR27.00-P-0270EH
	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 buttoned-up and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
12	Check the automatic transmission for proper operation and leaktightness
13	Install lower engine compartment paneling		AR61.20-P-1105LW

Fig 2: Identifying Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA