The entire line to their hood page is:
www.mercedesautoparts.com/www/parts/aesthetics/hood_pads.htm
[That is /parts/aesthetics/hood_pads. htm. For some reason the link didn't post correctly.]
I checked it this morning before posting and tried the home page just now to be sure.
My dealership parts guy gave me a can of 3M spray adhesive as well as a tube. He said to spray the whole thing and then seal around the edges and through the middle with the liquid. Neither was for high temperature application, but he told me it is what they always use.
One poster recommends doing a 6 inch strip at the front first, letting the rest hang, and then gluing the rest. I was concerned about placement, so did a dry run and then glued it all at once.