Thanks Jay. I fiddled with one of the fasteners and see now how to hopefully remove them if needed. Love to find that video you reference, because I certainly prefer not to remove the trunk lid liner, locking mechanism, etc. to get in there. I'm assuming that the old rubber grommets have either deteriorated away or fell down between the trunk lid and the liner. New grommets are about two bucks a piece from the dealer. That could be the best six bucks I've spent in awhile.

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Len
'59 220S Cabriolet-SOLD and living happily in Malta
'83 240D 351,500 miles original owner-SOLD
'88 560SL 41,000 miles - totaled and parted out
https://sites.google.com/site/mercedesstuff/home
'99 E300 turbo 227,500 miles
'03 SLK320 40,000 miles - gave to my daughter
'14 Smart electric coupe 28,500 miles
'14 Smart electric cabriolet 28,500 miles
'15 Smart electric coupe 28,000 miles