No, the Ci and CI-4 is for new engine designs, and does not provide
the additive packages needed for OM61x and OM60x engines. I think
that was from Herr Doktor Marshall (RIP) WE need CF and it is a
separate spec. I guess it is time to join amsiol and buy theirs.
I emailed Mobil and got a reply that since CF was discontinued they
removed it from the bottle but that it still meets CF spec. I
thought CI and CI-4 replaced CF years ago or is that not how that
works?
Anyway it sounds a lot like the sort of think a marketing drone would say.
-Curt
Date: Fri, 1 Jul 2011 11:17:36 -0700 (PDT)
From: Curt Raymond <curtlud...@yahoo.com>
To: Diesel List <mercedes@okiebenz.com>
Subject: Re: [MBZ] M1 15w50
Message-ID:
<1309544256.26136.yahoomailclas...@web161013.mail.bf1.yahoo.com>
Content-Type: text/plain; charset=us-ascii
Mobil's website still says CF for the 15w50, I wonder if the website
is just behind the times...
-Curt
--- On Fri, 7/1/11, Curt Raymond <curtlud...@yahoo.com> wrote:
From: Curt Raymond <curtlud...@yahoo.com>
Subject: M1 15w50
To: "Diesel List" <mercedes@okiebenz.com>
Date: Friday, July 1, 2011, 2:13 PM
Grabbed 8 quarts of M1 15w50
yesterday, I need to change the oil in my '78 240D. I like
using the 15w50 in the summer as it leaks/is consumed a bit
more slowly.
Anyway today doing the change I learned 2 things,
#1 oil filters from Car Quest are NOT as good as from Rusty
- the o ring is too big and won't seal the canister,
fortunately I had a spare. I though I had a filter from
Rusty, turns out it was for a 601
#2 M1 15w50 is no longer diesel rated, SM only. I had an
older bottle that was CF that was probably bought last year
(post facelift, so recent). I dunno if the manufacturer has
to continuously pay for certification and they decided they
weren't selling enough to diesel owners or what but I'll run
a short change on this one (I usually go 7,000 on the 240D,
I'll go down to 5 or so) and switch back to 5w40 which I
hope still has a C certification, if not it maybe be Amsoil
although my local Car Quest has Royal Purple...
-Curt
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