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  #1  
Old 10-10-2004, 11:28 AM
PA2TU
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W210 Rear axle differential seal/gasket replacement

Last night, I noticed oil weeping at the driver’s side of the Diff gasket joint. Could mere tightening to the screws solve the problem, or do I need a full seal replacement. If so, is this a DIY job?

Can someone give a step-by-step procedure of replacing the Diff seal with tips and tricks.

I did a search, not much came up and it appears this may be a common problem with W210.
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  #2  
Old 10-10-2004, 12:34 PM
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Be sure the unit isn't overfilled. I am not seeing any regular leaks from 210 diffs.
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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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  #3  
Old 07-11-2009, 04:19 AM
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Bump.
Any DIY on how to replace the seals on the diff of a E300TD 1997?
Mine was slightly leaking on the left side too...
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  #4  
Old 07-11-2009, 09:01 PM
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Wink

Quote:
Originally Posted by Olivier View Post
Bump.
Any DIY on how to replace the seals on the diff of a E300TD 1997?
Mine was slightly leaking on the left side too...
I can help you in two ways first I can get you the process from a E320 or you can go to www.alldatadiy.com and pay 27.00 /yr enter your vin number and have ALL THE INFORMATION YOU COULD EVER USE specific to your car that you can handle.

This is BY FAR this best web site for DIY'ers as it provides EVERYTHING about your car including Part #'s, Bill times for dealers and tech bulletins. and OH SO MUCH MORE. ( a must for the DIY'er)

Have fun.
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  #5  
Old 07-11-2009, 10:44 PM
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Could you get me the process for the E320? Might be very similar. What tools do I need to open the back plate? The boltd are looking like a splinned socket
Thank you.
Olivier

Last edited by Olivier; 07-11-2009 at 11:13 PM.
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  #6  
Old 07-12-2009, 08:37 PM
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Quote:
Originally Posted by Olivier View Post
Could you get me the process for the E320? Might be very similar. What tools do I need to open the back plate? The boltd are looking like a splinned socket
Thank you.
Olivier
I will send it to you PM
Mercedes uses TORX type nuts and bolts so dont panic
tools list will be on Procedeures.

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Kari
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  #7  
Old 07-12-2009, 08:38 PM
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HYPOID GEAR OIL
For rear axle differential (For limited slip see below), and for refilling 4MATIC front differential.

MB Hypoid Gear OilMB part no. 000 989 28 03
HYPOID GEAR OIL
For limited slip differential and rear axle with ASD, 4MATIC

MB Limited Slip Differential OilMB part no. 000 583 09 04
HYPOID GEAR OIL
For initial (new) fill of 4MATIC front differential

MB Life-long hypoid gear oilMB part no. 001 989 05 03
MANUAL TRANSMISSION FLUID
For MB manual transmission

MB Manual Transmission FluidMB part no. 000 989 26 03
STEERING GEAR LUBRICANT
For power steering

MB Power Steering FluidMB part no. 000 989 88 33
AUTOMATIC TRANSMISSION FLUID
For MB automatic transmission (not including MB automatic transmission W5A580, model 722.6), transfer case (4MATIC), and MB manual transmission (except GL76/30-5 and GL275E) use:

Castrol Dexron-III/Mercon ATF F-30341
Castrol Transmax M-22257 / 22096
Chevron ATF Dexron III F-30108 / 30159
Citgo Multi-Purpose ATF D-21571
Exxon Superflo ATF Dexron-III F-30111
Havoline ATF Mercon/Dexron-III F-30321
Pennzoil, ATF D-21380
Pennzoil, ATF F-30110
Quaker State Dexron-III/Mercon F-30161
Sunoco ATF Dexron-III/Mercon F-30176
Texaco ATF Mercon/Dexron-III F-30321
Unocal Multi-Purpose ATF D-22413 / 22431
Valvoline ATF Type D

Supplier Information:
Castrol, Piscataway, NJ / Toronto, Canada
Chevron Products Co., San Francisco CA
Citgo Petroleum Corp., Tulsa, OK
Exxon Company USA, Houston, TX
Texaco Lubricants Co., Houston, TX
Pennzoil Products Co., Houston, TX
Quaker State, Seneca, PA
Sun Co., Philadelphia, PA
Unocal Science and Technology Div., Brea, CA
Valvoline International, Lexington, KY

For MB automatic transmission W5A580, model 722.6 and Model 163 transfer case use:
MB Automatic Transmission FluidMB part no. 001 989 21 03 10
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  #8  
Old 07-13-2009, 02:23 PM
'98 MB E320's Avatar
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Quote:
Originally Posted by PA2TU View Post
Last night, I noticed oil weeping at the driverís side of the Diff gasket joint. Could mere tightening to the screws solve the problem, or do I need a full seal replacement. If so, is this a DIY job?

Can someone give a step-by-step procedure of replacing the Diff seal with tips and tricks.

I did a search, not much came up and it appears this may be a common problem with W210.

There is no Seal on the diff just a sealant pretty straight forward as far as the procedure loosen bolt SLIGHTLY then loosen bottom bolt to drain, then remove cover, Replace Vent on the top of diff and replace ALL Screws # N 910143 010009

Clean rear cover sealing surface and coat with Hylomar sealing compound part No. 001 989 25 20, or equivalent
Install NEW collared screws (56b) for rear cover, tighten to 50 Nm
Install NEW rear axle vent (55), then tighten to 30 Nm
Fill differential with 1.2 litersof suitable differential fluid
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  #9  
Old 07-13-2009, 02:24 PM
'98 MB E320's Avatar
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Location: Cali,Fla
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Quote:
Originally Posted by '98 MB E320 View Post
There is no Seal on the diff just a sealant pretty straight forward as far as the procedure loosen bolt SLIGHTLY then loosen bottom bolt to drain, then remove cover, Replace Vent (## A126 350 00 90) on the top of diff and replace ALL Screws (# N 910143 010009).

Clean rear cover sealing surface and coat with Hylomar sealing compound part No. 001 989 25 20, or equivalent
Install NEW collared screws (56b) for rear cover, tighten to 50 Nm
Install NEW rear axle vent (55), then tighten to 30 Nm
Fill differential with 1.2 litersof suitable differential fluid

Have fun
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