Leaking w124 Tranny just Rebuilt
 

Leaking tranny just redone on my w124. Took it to the shop and he replaced my pan & gasget with new one I bought and fixed my dipstick attaching at the top of trans. It was dry for a week but its now back to it's dripping again. Although doesn't seem to be coming from the gasket pan like last time but maybe where the dipstick tube goes into the tranny. I have a new MB O-Ring for it but wanted to know best way to fix this if it's still leaking out of there like it was last time. What are steps and any other culprit spots to check?

Chances are it was overfilled and has bubbled up through the overflow valve (or dipstick if the rubber gasket is hard) This happened on my SL, and it smoked and smelled for days after it ran down the exhaust. I assumed the worst at first

Nah...I wasn't overfilled but I don't think they used the correct size o-ring for the dipstick. So I will drain it out and reseal the dipstick tube with the correct o-ring from MB that I purchased.