S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

Power Steering Fluid Spec???

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Old Oct 4, 2009 | 05:04 PM
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punchpro68's Avatar
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S430
Power Steering Fluid Spec???

Hey guys. Does anyone know what the spec is for the power steering fluid. The manual just says MB brand. Can I use other than MB brand? I want to flush mine out and replace with new fluid. Thanks.
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Old Oct 5, 2009 | 03:42 PM
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ALLDATAdiy INFO's Avatar
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Pentosin CHF 11S is what is found in ALLDATAdiy
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Old Oct 5, 2009 | 03:42 PM
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also MB 001 989 24 03 10
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Old Oct 5, 2009 | 06:34 PM
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A new pump is $350ish, a new rack is $2500 ish.

Why risk it over a few pints of mb fluid?
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Old Oct 5, 2009 | 07:08 PM
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Originally Posted by punchpro68
Hey guys. Does anyone know what the spec is for the power steering fluid. The manual just says MB brand. Can I use other than MB brand? I want to flush mine out and replace with new fluid. Thanks.
Stick with the MB rec. brand.
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Old Oct 9, 2009 | 01:04 AM
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Thanks for the info.
I decided to call 3 dealerships to check on pricing for the Pentosin fluid. Price ranged from $24 to $36 per quart. The surprising part was that 2 of the 3 asked for my VIN number. They both said that I do not need the Pentosin fluid?? Since my vehicle does not have an ABC suspension, that the vehicle takes a DEXTRON 3 fluid for the power steering?? Is this correct? The 3rd dealer said it didn't matter whether you have ABC or not and that it needed the Pentosin fluid. Who's correct here?
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