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  #1  
Old 09-30-2010, 02:44 PM
GGR GGR is offline
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Which oil should I put in my W108/111 LSD?

Hi,

The Workshop manual says I should use some special hypoid transmission oil SAE 90 but I miss the sheet 235.3 which refers to lubricant specifications.

Autozone here has the following:

- Valvoline High Performance with the mention "Limited Slip" and it comes in 85W-140; 75W-90 and 80W-90.

- They also have Valvoline Dura Blend with the mentions "Synthetic Blend" and ""Limited Slip" as well. It comes in 85W-140 and 80W-90.

Which one should I use?

Thanks in advance!

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  #2  
Old 09-30-2010, 08:51 PM
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oil

OK, the manual says 90wt, suggesting a "straight weight" oil. Now you have option, multi-viscocity gear oil or "straight weight" gear oil. Choose what's best for your climate and driving conditions. Driving year round or only in summer?
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Rockford, Michigan

1985 500SE gray market
1982 Porsche 928
1985 Mercedes 300CD X 2
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  #3  
Old 09-30-2010, 09:10 PM
GGR GGR is offline
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I'm based in DC and I'm driving all year round. Going to Ohio often even in winter. Summers in DC can be quite hot.
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  #4  
Old 09-30-2010, 10:26 PM
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Quote:
Originally Posted by GGR View Post
Hi,

The Workshop manual says I should use some special hypoid transmission oil SAE 90 but I miss the sheet 235.3 which refers to lubricant specifications.

Autozone here has the following:

- Valvoline High Performance with the mention "Limited Slip" and it comes in 85W-140; 75W-90 and 80W-90.

- They also have Valvoline Dura Blend with the mentions "Synthetic Blend" and ""Limited Slip" as well. It comes in 85W-140 and 80W-90.

Which one should I use?

Thanks in advance!
This link has the MB approved oils. But, I don't see 235.3!

http://bevo.mercedes-benz.com/bevolistenmain.php?entercustomer=true&language_id=1

I use a synthetic oil from a major company like shell/mobil/castrol but I don't have a LSD.

Did you see this discussion:
http://www.mbca.org/forum/lsd-oil
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85 300D,72 350SL, 98 E320, Outback 2.5
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Old 10-01-2010, 01:11 AM
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Gael

If it's an LSD, you need to use either the MB stuff or a special additive for LSD. The MB stuff is the approved stuff and the additive is something that you can find in the parts store.
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  #6  
Old 10-06-2010, 11:48 AM
mak mak is offline
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As mentioned above Limited Slip Differential oil is a very special blend ,one cannot use the ordinary 90 weight oil used in ordinary or normal differential. Doing so will ruin it in short time with a chattering sound.
mak

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