Remove/install radial shaft sealing ring at output flange - AR27.40-P-0205SX

TRANSMISSION 722.9 in MODEL 221.0 /1, 216.3 without 4MATIC 

TRANSMISSION 722.6 in MODEL 221.1, 216.3 

Fig 1: Identifying Radial Shaft Sealing Ring Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
1	Set DIRECT SELECT gear selector switch to position "N"
2	Release parking brake
3	Support and secure the transmission using transmission jack and transmission platform
4	Remove rear engine crossmember (1) and rear engine mount (2)	Except engine 651	AR22.10-P-1180SX
		Engine 651	AR22.10-P-1180CW
5	Mark position of flexible coupling (3) relative to output flange (4) and to propeller shaft (6)	This is to ensure reinstallation at the ex-factory installation position, otherwise drivetrain vibrations can be produced.
6	Detach flexible coupling (3) from output flange (4) and from propeller shaft (6)	If the fitted sleeves are jammed: J,	AR41.10-P-0050-02SX
		Loosen fitting sleeves of flexible coupling (3) from output flange (4).	AR41.10-P-0050-09SX
	Drift for loosening fitting sleeves in flex disks.		WF58.50-P-4110-01A
		Attach the flexible coupling (3) to the output flange (4).	AR41.10-P-0050-07SX
			*BA41.10-P-1001-01H
7	Lower the transmission jack slightly	When the engine is being lowered, it must not rest on the front axle carrier, otherwise the oil pan will be damaged.
8	Remove output flange (4)		AR27.50-P-0620-02W
			*BA27.50-P-1001-01A
			Fig 3
			Fig 4
			Fig 5
9	Pry radial shaft sealing ring (5) out of transmission housing (7) using a wide screwdriver	Do not damage the seat of the radial shaft sealing ring (5) in the transmission housing (7). Press the new radial shaft sealing ring (5) into the transmission housing (7) using the drift (01) until the drift (01) touches the transmission housing (7).
			Fig 2
10	Install in the reverse order
11	Check transmission oil level and correct if necessary	Transmission 722.6	AR27.00-P-0100AC
	Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
12	Perform engine test run and check transmission for leaks with engine running

Fig 2: Identifying Drift (140 589 12 15 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Wrench Socket (126 589 02 09 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Pin Wrench (129 589 01 07 00)

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Two-Armed Puller (000 589 88 33 00)

Courtesy of MERCEDES-BENZ USA