gearbox leak

[bobby b]

Hi all, wrote a few weeks ago about a leak i had from my auto box [W211]. I changed the electrical connector, sump seal and filter ; thought i had cured the problem cause no leaks on driveway - for a few days anyway. Someone suggested that it could be seeping from the selector seal - anybody have any experience of this ; if so is it a difficult job? Thanks:

 

[Parrot of Doom]

What you need to do is remove the plastic trays from the underside, wipe everything clean, and drive around for a bit to discover where the leak is.