Quote:
Originally Posted by porkface
never seen the bulletin before, thanks.
it reads that ps fluid or atf is ok, not atf only is the spec. ps fluid is only spec for later cars with steering racks.
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Benz sell 2 different fluids at the dealer and both are called power steering/hydraulic fluid. - One is CHF11s and one is undyed ATF DexII, Both have different part numbers.
mixing them is not favorable and can result in wrong behavior. As with any maintenance item I opt to find the lowest cost with appropriate required performance.
e.g. When I want to buy CHF11s I would buy it from BMW (22$) or NAPA (20$) and for ATF fill in the PSF, I use the ford ATF or if I have remaining Quatrasyn ATF, I use that. Quatrasyn ATF is literally a fill for life type oil. (expect about 10 years service)
NAPA also sells the undyed ATF DexII in Febi brand - if you are adamant to use the same color fluid as the MB PSF.