My C230 Transmission is leaking a small amount at the right front (passenger) side just above the pan. There is a cable coming out of what looks like a switch or some type of electric device mounted where it is leaking. What is this item and would it be easy to replace the seal(s) myself. Aside from the problems with measuring the fluid level on this transmission what would the project involve.
The fluid was changed about 25K ago when some warranty work was done so I don't need to change it yet. So far this is the only post warranty problem with the car that now has 59K on it.

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Dave
88 300E 250K Sold
2000 C230K Totaled @104K
2003 ML320 156K Sold
2009 E350 4Matic Sport 46K Sold
2011 ML350 60K Sold
2014 GLK350 46k
2012 GL450 55K