Remove/install intelligent servo module - AR27.19-P-0550LWA

TRANSMISSION 722.9 in MODEL 205 with ENGINE 274

TRANSMISSION 722.9 in MODEL 205 with ENGINE 276

TRANSMISSION 722.93 in MODEL 205 with ENGINE 177

Fig 1: Intelligent Servo Module Remove/Install Components (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Intelligent Servo Module Remove/Install Components (2 Of 2)

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
	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
	Remove/install
1	Shift transmission to position "N"
2	Release parking brake
3	Disconnect ground line from battery
4	Remove rear lower engine compartment paneling		AR61.20-P-1105LW
5	Remove reinforcement (2)	Transmission 722.9 (except 722.96) in model 205 with engine 274 Transmission 722.9 (except 722.96) in model 205 with engine 276 Transmission 722.93 in model 205 with engine 177
5	Remove reinforcement (2)	Screw/bolt, front reinforcement on frame floor assembly	*BA61.10-P-1002-01L
6	Release and disconnect electrical connector (3) on the intelligent servo module for DIRECT SELECT (A80)
7	Support and secure transmission
	000 588 10 62 00 Support plate		WS26.00-P-3309B
	000 588 11 62 00 Major assembly mount		WS01.00-P-0092B
8	Release rear engine cross member (4) with rear engine mount	Transmission 722.9 in model 205 with engine 274 Transmission 722.9 in model 205 with engine 276 Transmission 722.93 in model 205 with engine 177
8	Release rear engine cross member (4) with rear engine mount	Transmission 722.9 in model 205 with engine 274 Transmission 722.9 in model 205 with engine 276 Under no circumstances should impact wrenches/drivers or pneumatic tools be used to remove or screw in screws/bolts. Otherwise, the threads may be damaged.	AR22.10-P-1180LWB
9	Detach front flexible coupling from output flange of transmission	Transmission 722.9 (except 722.96) in model 205 with engine 274 Transmission 722.9 (except 722.96) in model 205 with engine 276 Transmission 722.93 in model 205 with engine 177
9			AR41.10-P-0040-01LW
	Drift for releasing the fitting sleeves in the flexible couplings		WF58.50-P-4110-01A
		Flexible coupling on transmission/rear axle differential or propeller shaft	*BA41.10-P-1001-01L
10	Lower transmission carefully	Do not crush any components or place under tension. The engine must not make contact with the front axle carrier or the major assemblies compartment partition. Otherwise damage will occur.
11	Remove bolts (5) from intelligent servo module for DIRECT SELECT (A80)
	Notes on threaded connections with aluminum screws/bolts		AH00.00-P-0006-01RM
		Replace screw/bolts (5).	AH00.00-P-0006-01RM
		Standard bolt/hexagon-spacer bolt, shift module (ISM) to transmission housing	*BA27.40-P-1021-01A
12	Remove intelligent servo module for DIRECT SELECT (A80) with vent hose (6)	If the intelligent servo module for DIRECT SELECT (A80) is to be reused, do not detach the vent hose (6). Otherwise, it may lead to leaks and damage on the intelligent servo module for DIRECT SELECT (A80). The positions of the range selector shaft (7) and the intelligent servo module for DIRECT SELECT (A80) must match. If necessary, turn the range selector shaft (7) accordingly.
12		Assembly tool	Fig 3
13	Replace bleed hose (6)	When reusing the intelligent servo module for DIRECT SELECT (A80)
14	Turn range selector shaft (7) of transmission counterclockwise all the way to position "D" (arrow)	When reusing the intelligent servo module for DIRECT SELECT (A80) In its as-delivered state, a new intelligent servo module for DIRECT SELECT (A80) is set to position "D" (arrow).
	Check
15	Check radial shaft sealing ring (8) of the range selector shaft (7)	If damaged or leaking: ↓ Replace the radial shaft sealing ring (8).
15			AR27.40-P-0220A
16	Install in the reverse order
17	Read out fault memory and erase if necessary
	Read out fault memory and erase if necessary		AD00.00-P-2000-04B
18	Perform initial startup of intelligent servo module for DIRECT SELECT (A80)	When reusing the intelligent servo module for DIRECT SELECT (A80)
			AD00.00-P-2000-04B

HOUSING

Number	Designation			Transmission 722.9
BA27.40-P-1021-01A	Standard bolt/hexagon-spacer bolt, shift module (ISM) to transmission housing	Stage 1	Nm	4
BA27.40-P-1021-01A		Stage 2	∠°	90

PROPELLER SHAFT

Number	Designation				Model 205
BA41.10-P-1001-01L	Flexible coupling on 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	Screw/bolt, front reinforcement on frame floor assembly	Nm	30

Fig 3: Identifying Assembly Tool (722 589 03 09 00)

Courtesy of MERCEDES-BENZ USA