200 ml 430 skyroof leaks
 

I am a first timer and would like some help if there is anyone out there has run into this problem. My ML430 has the SKYROOF (huge sunroof) after a hard rain the back of the truck gets wet and it looks to be dripping from the plastic vent in the roof liner. I pulled it off but could not really see anything up there. There are 2 vents in the front that i cleaned out but one is flowing better then the other. Are there more of these in the back that i can not see or should i work on the front ones more? HELP
I don't want the car to smell like wet mold. :D