190E oil leak

Recently I rebuilt the M102 engine in my 1988 190E 2.3 Ever since that time I have been losing oil...quite a lot actually. Well, I finally investigated this and found that the leak was around 3 of
the oil pan bolts on the driver's side of the engine about midway between front and back of the engine. I actually found one bolt missing entirely! After replacing that bolt, and retourquing the bolts I could reach, I degreased the pan and took it for a long road test. To my horror, the leak did not stop! In fact, it is JUST as bad as before with the missing bolt!. This leak has a distinct pattern to it: streaks of oil form on either side of these three bolts and run down the pan. These bolts have been tightened down as much as I dare, and there was a new gasket installed when I rebuilt it. I don't understand why it leaks here. It sure didn't leak like that before it was rebuilt. Any suggestions?
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Are you sure it's the pan? I had a similar looking leak but it turned out to be coming from the timing chain cover and the oil was getting blown back across the pan.

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If you are positive it is still leaking from the pan. then the pan is warped. What you can try to do is put a form-a-gasket stuff on the seal where it is leaking... be sure to clean it before applying.
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