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

MODEL 204, 207

Fig 1: Replacing Radial Sealing Rings On Side Of Rear Axle Center Assembly

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 of the parts will be reduced.
1	Secure vehicle on vehicle lift		AR00.60-P-0100CW
2	Remove rear-axle shaft (37)		AR35.30-P-0620CW
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)	187 mm dia. and 215 mm dia. rear axle center assembly
		Rear axle center assembly dia. 187 mm	Fig 3
		Rear differential assembly dia. 215 mm	Fig 2
		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. Sheet 235.7
	Universal hypoid gear oils	Sheet 235.7	BB00.40-P-0235-07A
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
			Fig 5
		Before inserting the new radial sealing ring, check the seat sitting surface for damage in order to guarantee leaktightness and a faultless seat
	Universal hypoid gear oils	Coat sealing lip of new radial sealing ring with universal hypoid gear oil. Sheet 235.7	BB00.40-P-0235-07A
5	Install new circlip (37o) on inner splined shaft of rear axle shaft (37)
6	Install rear axle shaft (37).		AR35.30-P-0620CW
	Check
7	Check oil level in differential (50) and correct if necessary	Sealant, Omnifit 100H (50 g) Cleaning spray, Loctite 7063 (150ml)	AR35.31-P-0520-03SX BA35.31-P-1002-02H BF35.31-P-1001-01T BR00.45-Z-1061-01A BR00.45-Z-1046-04A
8	Check rear axle differential (50) for leaks

REAR AXLE CENTER ASSEMBLY HOUSING

Number	Designation		Model 204	Model 207
BA35.31-P-1002-02H	Oil filler screw, rear axle differential	Nm	50	50

REAR AXLE DIFFERENTIAL

Number	Designation			Model 204 except model 204.077/277/377 with code 471, P30	Model 204.077/277/377 with code 471, P30
BF35.31-P-1001-01T	Filling capacity	Differential 187 FE, Ø 187 mm	Liters	0.95	-
			Sheet	BB00.40-P-0235-07 A	-
		Differential 200 FE, Ø 200 mm	Liters	1, 1	-
			Sheet	BB00.40-P-0235-07 A	-
		Differential 215 FE, Ø 215 mm	Liters	1, 2	1, 2
		Sheet		BB00.40-P-0235-07 A	BB00.40-P-0235-61 A

REAR AXLE DIFFERENTIAL

Number	Designation			Model 207
BF35.31-P-1001-01T	Filling capacity	Differential 187 FE, Ø 187 mm	Liters	0.95
			Sheet	BB00.40-P-0235-07 A
		Differential 200 FE, Ø 200 mm	Liters	1, 1
			Sheet	BB00.40-P-0235-07 A
		Differential 215 FE, Ø 215 mm	Liters	1, 2
			Sheet	BB00.40-P-0235-07 A

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

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Drift (211 589 00 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

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1061-01A	Sealant, Omnifit 100H (50 g)	A 002 989 23 71
BR00.45-Z-1046-04A	Cleaning spray, Loctite 7063 (150ml)	A 001 986 71 71 10