Remove/install automatic transmission fluid cooler - AR27.55-P-1000LW

TRANSMISSION 722.9 in MODEL 205 with ENGINE 177 

TRANSMISSION 722.9 in MODEL 205 with ENGINE 274.9 

TRANSMISSION 722.9 in MODEL 205 with ENGINE 276 

TRANSMISSION 722.9 in MODEL 205 with ENGINE 651 

Shown here is the radiator package on engine 651 

Fig 1: Automatic Transmission Fluid Cooler Remove/Install Components - Shown On Engine 651 (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Automatic Transmission Fluid Cooler Remove/Install Components - Shown On Engine 651 (2 Of 2)

Courtesy of MERCEDES-BENZ USA

	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
	Notes on automatic transmission		AH27.19-P-0001-01NKB
	Remove/install
1.1	Remove intake air duct upstream of the air filter	MODEL 205 with ENGINE 274.9 with TRANSMISSION 722.9 MODEL 205 with ENGINE 651 with TRANSMISSION 722.9
1.2	Remove left intake air duct upstream of the air filter	MODEL 205 with ENGINE 177 with TRANSMISSION 722.9
2	Drain coolant from low-temperature system	MODEL 205 with ENGINE 177	AR09.41-P-6834MNA
		MODEL 205 with ENGINE 274.9, 651	AR09.41-P-6834LW
3	Unclip coolant line over oil cooler (1) and place to one side	TRANSMISSION 722.9 (except 722.96) in MODEL 205 with ENGINE 177 TRANSMISSION 722.9 (except 722.96) in MODEL 205 with ENGINE 274.9 TRANSMISSION 722.9 (except 722.96) in MODEL 205 with ENGINE 276 TRANSMISSION 722.9 (except 722.96) in MODEL 205 with ENGINE 651 Do not open the coolant circuit.
4	Detach oil cooling lines (9, 10) from oil cooler (1)		AR27.10-P-0501-03LW
		Seal the connections using suitable stop plugs.
		Record plug	Figure
5	Detach coolant hoses (11, 12) from oil cooler (1)	Seal the connections using suitable stop plugs.
		Record plug	Figure
6	Push retaining clip (8) up and remove oil cooler (1)	Carefully push up the retaining clip (8). The retaining clip (8) will otherwise be damaged. If retaining clamp (8) is damaged ↓ Secure oil cooler (1) at position marked by arrow using repair bolt (6) and washer (7).
7	Install in the reverse order
	Check
8	Check fluid level in automatic transmission and adjust to correct level	TRANSMISSION 722.96 in MODEL 205	AR27.00-P-0270SYZ
		TRANSMISSION 722.9 (except 722.96) in MODEL 205 with ENGINE 177 TRANSMISSION 722.9 (except 722.96) in MODEL 205 with ENGINE 274.9 TRANSMISSION 722.9 (except 722.96) in MODEL 205 with ENGINE 276 TRANSMISSION 722.9 (except 722.96) in MODEL 205 with ENGINE 651	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
9	Perform engine test run, and check oil cooling lines (9, 10) and cooling system for leaktightness

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

Courtesy of MERCEDES-BENZ USA