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Home >> Mercedes Benz >> 2025 >> GLA250 Base >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission -- 247 Chassis >> Testing & Repair >> Remove/Install Radial Shaft Sealing Rings Of Axle Shafts - AR27.40-P-0211MFA

Remove/Install Radial Shaft Sealing Rings Of Axle Shafts - AR27.40-P-0211MFA

Transmission 724.1 in Model 118, 177, 247 

G16049719Courtesy of MERCEDES-BENZ USA

Shown on Model 247 with engine 654 

WARNING Risk of injury.  Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
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
Notice  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
  Notes on automatic transmission   AH27.19-P-0001-01NKB 
REMOVING Remove     
1 Remove right or left front axle shaft.   AR33.30-P-0620MFA
2 Clean area around right or left radial shaft sealing ring (2). Assembly cleaner *BR00.45-Z-1028-04A 
3 Remove right or left radial shaft sealing ring (2) from Transmission (1) using a suitable tool. NOTES Do not damage sitting surface of the right or left radial shaft sealing ring (2). Otherwise leaks will occur at the Transmission (1).  
INSPECT Check     
4 Check sitting surface of right or left radial shaft sealing ring (2). NOTES The sitting surface on the right or left radial shaft sealing ring (2) must not exhibit any damage.
Otherwise leaks will occur at the Transmission (1).
If damage is found

replace Transmission (1).
AR27.10-P-0009MFA 
INSTALLING Install     
5 Coat sealing lip of right or left radial shaft sealing ring (2) with Transmission oil.    
REFER TO CAPACITIES & SPECIFICATIONS Automatic Transmission fluids (ATF) (specification 236.22) IMPORTANT Replace right or left radial shaft sealing ring (2). BB00.40-P-0236-22A
6 Install right or left radial shaft sealing ring (2) in Transmission (1) using drift. IMPORTANT Insert right or left radial shaft sealing ring (2) far enough into Transmission (1) until drift makes contact with Transmission housing
SPECIAL TOOL Drift
Fig 1
7 Install right or left front axle shaft.   AR33.30-P-0620MFA
8 Check Transmission oil level, correct, if necessary.   AR27.00-P-0104MFA 
WARNING Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
9 Perform engine test run and check Transmission (1) for proper operation and leak tightness.    
Fig 1: Identifying Drift (711 589 19 15 00)
G10250279Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1028-04A Assembly cleaner A 000 986 56 01