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Home >> Mercedes Benz >> 2016 >> C300 Base >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Axle - 205 Chassis (4D Sedan) >> Testing & Repair >> Replace radial sealing rings on side of rear axle center assembly - AR35.31-P-0545LW

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

Model 205, 253 

Fig 1: Replacing Rear Axle Center Assembly Radial Sealing Rings
G10133187Courtesy of MERCEDES-BENZ USA
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
IMPORTANT Notes on repair work on suspension components   AH00.00-P-0100-01A
REMOVING Remove     
1 Remove rear-axle shaft (37)   AR35.30-P-0621LW 
2 Pry radial shaft sealing ring (32a) out of rear axle differential (50) using a suitable tool NOTES
Do not damage the seat of the radial shaft sealing ring (32a) in the rear axle differential (50).
Otherwise leaks may occur.		  
CLEAN Clean     
3 Clean seat surface of radial shaft sealing ring (32a) in rear axle differential (50)    
INSPECT Check     
4 Check seat surface of radial shaft sealing ring (32a) in rear axle differential (50) for damage and replace rear axle differential (50) if necessary    
INSTALLING Install     
5 Press new radial shaft sealing ring (32a) into rear axle differential (50)    
REFER TO CAPACITIES & SPECIFICATIONS Universal hypoid gear oils (specification 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
NOTES
Do not apply any oil to the seat surface in the rear axle differential (50) and around the outer circumference of the radial shaft sealing ring (32a).
Otherwise leaks may occur.
IMPORTANT Apply a small amount of universal hypoid gear oil to the inner sealing lip of the radial shaft sealing ring (32a).		  
SPECIAL TOOL Drift Figure
6 Install new circlip (37o) on inner splined shaft of rear axle shaft (37)    
7 Install rear axle shaft (37).   AR35.30-P-0621LW 
INSPECT Check     
8 Check oil level in rear axle differential (50) and correct, if necessary   AR35.31-P-0520-03LW
FLUID SPECIFICATION Model 253
except code 700 (Technology Local Content China) Filling capacity		 *BF35.31-P-1001-02B 
FLUID SPECIFICATION Model 253
with code 700 (Technology Local Content China) Filling capacity		 *BF35.31-P-1002-02B 
FLUID SPECIFICATION Model 205.0 (except 205.086/087), 205.1/2ALU rear axle differential filling capacity *BF35.31-P-1002-01U 
FLUID SPECIFICATION Model 205.086/087 Filling capacity for rear axle differential with differential lock *BF35.31-P-1003-01U 
TORQUE SPECIFICATION Oil filler screw of rear axle differential *BA35.31-P-1002-02H 
Loctite 7063 cleaning spray (150 ml) *BR00.45-Z-1046-04A 
Sealant, Omni fit 100H (50 g) *BR00.45-Z-1061-01A 
9 Check rear axle differential (50) for leak tightness    
REAR AXLE DIFFERENTIAL HOUSING

Number Designation Model 205 Model 253
BA35.31-P-1002-02H Oil filler screw of rear axle differential Nm 50 50
REAR AXLE DIFFERENTIAL

Number Designation Model 253 except code 700 (Technology Local Content China)
BF35.31-P-1001-02B Filling capacity ALU rear axle differential 183   Liter 0, 8
Specification  

MB 239.71 hypoid gear oil A 001 989 88 03. See https://bevo.mercedes-benz.com/index.php?language_id=1
ALU rear axle differential 197   Liter 0, 9
Specification  

MB 239.71 hypoid gear oil A 001 989 88 03. See https://bevo.mercedes-benz.com/index.php?language_id=1
REAR AXLE DIFFERENTIAL

Number Designation Model 205.0 (except 205.086/087), 205.1, 205.2 (except 205.286/287) Model 205.086/087/286/287
BF35.31-P-1002-01U ALU rear axle differential filling capacity ALU HAG183 0, 8 -
Specification

MB 239.71 hypoid gear oil A 001 989 88 03. See https://bevo.mercedes-benz.com/index.php?language_id=1

 -
REAR AXLE DIFFERENTIAL

Number Designation Model 253 with code 700 (Technology Local Content China)
BF35.31-P-1002-02B Filling capacity Rear axle differential 200 C   Liter 1, 0
Specification  

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
REAR AXLE DIFFERENTIAL

Number Designation Model 205.086/087/286/287
BF35.31-P-1003-01U Filling capacity for rear axle differential with differential lock Liter 1, 2
Specification  

Hypoid gear oils (Specification 235.61). MB 235.61 AMG hypoid gear oil A 001 989 52 03 10
Fig 2: Identifying Drift (205 589 00 15 00)
G10133185Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

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