Check those too long bolts with a magnet. I bought 5 breather cover bolts at a MB dealer a couple years ago. Thinking maybe he sold the wrong part, I magnet checked them and they were steel and too long like those you show, they also had a hex head not torx, the extra length made them unusable. I carefully used the original aluminum screws. Applied MB sealant to well cleaned edges pressed the covers down snug and while pressing down to seat the cover ran the bolts down carefully till they stopped. DON'T pull the cover down with the bolts. you only have about 10 minutes work time with the MB sealant. Use a couple small wood dowels in 2 screw holes to quickly guide the cover into place. Go easy on the sealant too much squeezing inside the cover can break loose over time and possibly block oil passages.