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  #1  
Old 03-07-2012, 04:07 PM
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Pentosin Power Steering Fluid

Hi Guys,

My dad has a 1998 ML320 which he needs to put some PS fluid in.

I have some hydraulic fluid left over from the self leveling suspension in a W124 wagon. I've read a few things that suggest this is also the pentosin standard.

Can anyone confirm ?

Rgds

Josh

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  #2  
Old 03-07-2012, 04:25 PM
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I don't think they are the same fluid. I wouldn't risk mixing them.

-J
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  #3  
Old 03-07-2012, 10:01 PM
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Quote:
Originally Posted by joshlowe View Post
Hi Guys,

My dad has a 1998 ML320 which he needs to put some PS fluid in.

I have some hydraulic fluid left over from the self leveling suspension in a W124 wagon. I've read a few things that suggest this is also the pentosin standard.

Can anyone confirm ?

Rgds

Josh
If the Pentosin fluid is red or clear, it is vegetable-based and will destroy the hydraulics in a later model (mineral-based) system.

If it is green or blue, you might be ok.

The final test: dip something metallic in the fluid and put a match to it.

The vegetable oil burns with a little urging, but the mineral oil will smoke and smoke but not burn.
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1950 170SD
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  #4  
Old 03-08-2012, 12:17 AM
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ml power steering for w 163 is specific, dont use 124 hydraulic fluid, or pentosin. ask your dealer for correct fluid
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  #5  
Old 03-08-2012, 10:01 AM
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Originally Posted by nulu View Post
ml power steering for w 163 is specific, dont use 124 hydraulic fluid, or pentosin. ask your dealer for correct fluid
Thanks for the tip, anyone know why this power steering system has a specific PS fluyid? Or is it specific to all MB PS systems after a certain model?
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Strelnik
Invest in America: Buy a Congressman!

1950 170SD
1951 Citroen 11BN
1953 Citroen 11BNF limo
1953 220a project
1959 180D
1960 190D
1960 Borgward Isabella TS 2dr
1983 240D daily driver
1983 380SL
1990 350SDL daily driver alt
3 x Citroen DS21M, down from 5
3 x Citroen 2CV, down from 6
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  #6  
Old 03-08-2012, 01:07 PM
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P.N. Q 1 46 0001 is what you need. It works on all MB non-Pentosin power steering systems.

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