Replace radial sealing rings on side of rear axle center assembly - AR35.31-P-0545SX

MODEL 221 With inserted rear axle shafts 

MODEL 216 

Shown on 215 mm dia. rear axle differential 

Fig 1: Replacing Radial Sealing Rings

Courtesy of MERCEDES-BENZ USA

	Removing
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	While working on the rear axle, care must be taken to ensure that the surface of aluminum components do not get any scratches, cracks and notches. Otherwise the service life of the parts will be affected
1	Secure vehicle on lifting platform		AR00.60-P-0100SX
2	Remove rear-axle shaft (37)		AR35.30-P-0620SX
3	Lever radial sealing ring (32a) out of rear axle differential (50) using a suitable tool	Do not damage seat surface of radial sealing ring in order to guarantee leaktightness and faultless seat.
	Install
4.1	Press new radial sealing ring (32a) into the rear axle differential (50) using drift (03)	Differential, 215 mm dia., 240 mm dia.
		Rear differential assembly dia. 215 mm	Fig 2
		Rear differential assembly dia. 240 mm Before inserting a new radial sealing ring check the seat surface for damage in order to guarantee leaktightness and a faultless seat. Coat sealing lip of new radial sealing ring with universal hypoid gear oil.	Fig 3
	Universal hypoid gear oils (SAE 85 W-90)	Sheet 235.7	Universal hypoid gear oils (specification 235.7). MB 235.7/235.74 FE hypoid gear oil A 001 989 33 03/Mobilube FE/FE Plus 75W-85
4.2	Use drift and sleeve to press new radial sealing ring (32a) into rear axle differential (50)	Rear axle center assembly dia. 200 mm
			Fig 4
		Before inserting a new radial sealing ring check the seat surface for damage in order to guarantee leaktightness and a faultless seat. Coat sealing lip of new radial sealing ring with universal hypoid gear oil.	Fig 5
	Universal hypoid gear oils (SAE 85 W-90)	Sheet 235.7	Universal hypoid gear oils (specification 235.7). MB 235.7/235.74 FE hypoid gear oil A 001 989 33 03/Mobilube FE/FE Plus 75W-85
5	Install new circlip (37o) on inner splined shaft of rear axle shaft (37)
6	Install rear axle shaft (37).	See Remove differential.	AR35.30-P-0620SX
7	Check oil level in rear axle center assembly (50) and correct if necessary		AR35.31-P-0520-03SX

Fig 2: Identifying Drift (211 589 05 15 00)

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Fig 3: Identifying Drift (221 589 01 15 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Drift (140 589 10 15 00)

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Sleeve (203 589 01 14 00)

Courtesy of MERCEDES-BENZ USA