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Home >> Mercedes Benz >> 2019 >> C300 4Matic, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 325 (Transfer Case - 253 Chassis) >> Testing & Repair >> Remove/Install Radial Shaft Seal At Transfer Case Input Shaft - AR28.10-P-4200LWX

Remove/Install Radial Shaft Seal At Transfer Case Input Shaft - AR28.10-P-4200LWX

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MODEL 205, 253 With Transmission 725.0 with code M005 (4MATIC) 

G14185295Courtesy of MERCEDES-BENZ USA
Fig 1: Radial Shaft Seal At Transfer Case Input Shaft Components Location - Model 253 With Transmission 725.0 With Code M005
G14185296Courtesy of MERCEDES-BENZ USA
CAUTION Risk of injury  to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil Wear protective gloves, protective clothing and safety glasses.
Do not pour transmission oil into beverage bottles.
AS00.40-Z-0001-01A
CAUTION Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
REMOVING Remove     
1 Remove transfer case. Transmission 725.0 (except 725.09) in model 205, 253 with code M005 (4MATIC) AR28.10-P-0100LWX 
    Transmission 725.09 in model 253 with engine 177 with code M005 (4MATIC) AR28.10-P-0100MNG
2 Pry radial shaft sealing ring (2) out of transfer case NOTES Remove the radial shaft sealing ring (2) carefully and do not damage the seat in the transfer case.
Otherwise, leakage may occur.
 
3 Check seat of radial shaft sealing ring (2) for damage If damage is present
↓
Replace transfer case.
 
INSTALLING Install     
4 Coat sealing lip of new radial shaft sealing ring (2) with transmission oil    
REFER TO CAPACITIES & SPECIFICATIONS Automatic transmission fluids (ATF) (specification 236.17)   BB00.40-P-0236-17A
5 Insert guide (1) into housing SPECIAL TOOL Drift Fig 2
6 Place new radial shaft sealing ring (2) on drift (4) SPECIAL TOOL Drift Fig 2
7 Press in new radial shaft sealing ring (2) using drift (4) until drift (4) makes contact with housing SPECIAL TOOL Drift Fig 2
8 Remove guide (1) from housing SPECIAL TOOL Drift Fig 2
9 Install transfer case Transmission 725.0 (except 725.09) in model 205, 253 with code M005 (4MATIC) AR28.10-P-0100LWX 
    Transmission 725.09 in model 253 with engine 177 with code M005 (4MATIC) AR28.10-P-0100MNG
Fig 2: Identifying Drift (725 589 02 15 00)
G11132293Courtesy of MERCEDES-BENZ USA