Remove/Install Transmission With Torque Converter - AR27.10-P-0500LWA

Transmission 722.9 (except 722.96) in model 205 with engine 274.9

Fig 1: Automatic Transmission Components Location - Transmission 722.9 (Except 722.96) In Model 205 With Engine 274.9

Courtesy of MERCEDES-BENZ USA

Fig 2: Torque Converter Components Location - Transmission 722.9 (Except 722.96) In Model 205 With Engine 274.9

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 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
	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
	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
	Remove/install
1	Shift transmission (1) to position N
2	Release parking brake
3	Secure vehicle on vehicle lift		AR00.60-P-0100CW
4	Detach ground line from battery		AR54.10-P-0003LW
5	Remove lower center and rear engine compartment paneling		AR61.20-P-1105LW
6	Remove front reinforcement (2)	Bolt, front reinforcement/bracket to frame floor assembly	*BA61.10-P-1002-01L
7	Remove bracket (8) from exhaust system		AR49.10-P-5500LW
8	Disconnect electrical connector from electrical auxiliary oil pump (M42) and unclip electrical line from transmission (1)	: Make sure that the electrical line is routed and secured correctly.	AR27.30-P-0651LW
9	Release and detach electrical connector from intelligent servo module for DIRECT SELECT, and expose electrical line	: Make sure that the electrical line is routed and secured correctly.	AR27.19-P-0550LWA
10	Detach ground line (3) from transmission (1)
11	Detach oil lines from transmission (1) and oil pan, seal using suitable stop plugs and place to one side	Thoroughly clean area around oil lines at connecting points on transmission (1). Otherwise there may be malfunctions or even total failure of the transmission (1).	AR27.55-P-0600LWA
		Assembly cleaner	*BR00.45-Z-1028-04A
		Record plug	Fig 7
12	Support and lash down transmission (1)
	000 588 10 62 00 Support plate		WS26.00-P-3309B
	000 588 11 62 00 Major assembly mount		WS01.00-P-0092B
13	Remove engine cross member at rear		AR22.10-P-4360LWB
	Notes on bolted connections with self tapping screws	Never use impact wrench or compressed air tools for screwing in or unscrewing the bolts! Otherwise the threads can get damaged.	AH00.00-P-0007-01SF
14	Mark position of drive shaft relative to flange of transmission (1) with a color and remove drive shaft		AR41.10-P-0040-01LW
	Drift for releasing the fitting sleeves in the flexible couplings	: Replace bolts.	WF58.50-P-4110-01A
		Flex disk or joint flange at transmission/rear axle differential or propeller shaft	*BA41.10-P-1001-01L
		Counterholder	Fig 5
15	Detach torque converter (6) from drive plate, and pry off drive plate uniformly using long wedge	Do not use an impact wrench or compressed air tools to screw out and screw in. The threaded unions in the driver spider will otherwise be damaged. : Replace bolts.	AR27.20-P-0100-01A
		Bolt, torque converter to driver spider	*BA27.20-P-1002-01C
		Socket wrench bit	Fig 8
		Long wedge	Fig 4
16	Unscrew bolts (1a) and remove transmission (1) from below	Secure the torque converter (6) to prevent it from falling down. Otherwise damage will occur. : Align holes of torque converter (6) relative to threaded unions in drive plate. Bolt, automatic transmission to engine	*BA27.40-P-1008-01A
17	Remove torque converter (6) using grab handles	If necessary. : Apply a little multi-purpose paste to bearing journal (6a).	AR27.20-P-0500-01W
		Multi-purpose paste	*BR00.45-Z-1009-06A
		Installed height of torque converter	*BE27.20-P-1001-01E
		Handles	Fig 6
		Parallel rest	Fig 3
	Clean
18	Remove corrosion from crankshaft		AR03.20-P-1000-01A
		Assembly cleaner	*BR00.45-Z-1028-04A
		Multi-purpose paste	*BR00.45-Z-1009-06A
	Check
19	Check threaded unions in drive plate	If threaded unions are damaged or loosened ↓ Replace drive plate.	AR03.30-P-8001MRA
20	Install in the reverse order
21	Check transmission oil level and correct if necessary		AR27.00-P-0270W
22	Read out fault memory using the diagnostic system and delete if necessary
			AD00.00-P-2000-04B
23	Perform transmission adaptation using diagnostic system	After replacement or repair of transmission (1)
24	Reset data on service life of torque converter lockup clutch using diagnostic system	After replacement of torque converter (6)
	Check
	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
25	Perform engine test run and check transmission (1) for proper operation and leak tightness

TEST VALUES FOR TORQUE CONVERTER

Number	Designation				Transmission 722.9
BE27.20-P-1001-01E	Installed height of torque converter	Distance, bolt flange to transmission housing flange	Helical screwed connection	mm	9, 5
			See picture		AR27.20-P-0500-01W
			Axial screwed connection	mm	19, 5

TORQUE CONVERTER

Number	Designation				Transmission 722.9
BA27.20-P-1002-01C	Bolt, torque converter to driver spider	Straight threaded connection	M8	Nm	42
		Angled threaded connection	Stage 1	Nm	4
			Stage 2	Nm	30
			Stage 3	∠°	90

HOUSING

Number	Designation			Transmission 722.9
BA27.40-P-1008-01A	Bolt, automatic transmission to engine	M10x40	Nm	38
		M10x45	Nm	38
		M10x90	Nm	38
		M12	Nm	-

PROPELLER SHAFT

Number	Designation				Model 205
BA41.10-P-1001-01L	Flex disk or joint flange at transmission/rear axle differential or propeller shaft	Self-locking nut		Nm	68
		Direct threaded connection	Stage 1	Nm	60
		Direct threaded connection	Stage 2	∠°	90

FRAME FLOOR ASSEMBLY

Number	Designation			Model 205
BA61.10-P-1002-01L	Bolt, front reinforcement/bracket to frame floor assembly	M10x20	Nm	-
BA61.10-P-1002-01L	Bolt, front reinforcement/bracket to frame floor assembly	M10x28	Nm	30