I hve a 98 C230 with 92k miles...the car runs well and looks great, so I am
not thinking of trading. However, in recent days, I have noticed the
definite feel and sound of a "thunk" when I am slow rolling, as in heavy
traffic, from 1st to 2nd and similarly when downshifting from 2nd to first.
I know that the tranny case is sealed, but I am still thinking that a change
of fluid and filter would not be a bad idea. If anyone has some experience
with what I hope is a minor problem, thanks for your help and advice.
Agreed.... These are part of the driveline that originally were badly
designed and DO fail. I just replace the forward one in my 1986 190e,
which fixed my clunking.
Better then a tranny problem, so keep your fingers crossed.
I'm not too experienced about repairs and will have my mechanic do the work.
What are flex disks, or will he know what I am talking about when I mention
the problem...and what are your recommendations about doing the fluid and
filter change as I approach 100,000 miles? Thanks...
If he does not know what the driveline flex disks are get a different
mechanic. Relatively simple job I changed the front one on my 190e 2.6 and
it took me a couple of hours. Considering that it was the first time I did
that I would expect an experienced mechanic could do this job a lot quicker.
The flex disk was about $60 if I remember correctly.
I am a firm believer in regular transmissionn fluid and filter changes. MB
at one time recommended trans fluid changes at 30k miles. I understand they
got away from that because people were overfilling the trans and creating
all kinds of problems for MB.
On 2005-10-26 12:16:04 -0700, email@example.com (Guenter
Not too hard, I didn't even need to remove the driveshaft, which was
surprising to me. I pretty much learned this from Tiger, who posted
here a brief howto on the way to do this.
Really pretty simple, the flex disks are basically black round hockey
puck looking things when you look at the driveshaft, althought they are
a bit thinner then a hockey puck and slightly large in diameter.
It was NOT obvious to be that this flexdisk was toast the first couple
of times I looked at it, so you need to really look at the connecting
aspects of this to see if it's still stable.
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