I've owned my 2012 E350 since 2016, and the car has been great. Today I opened the trunk, probably the first time in a few weeks, and as it opened, the was a creak/groan that probably came from a hinge. When I opened the trunk again later in the day, it was all quiet. Anyone ever experience that groan or weak from the trunk hinge? If so, where do I need to give a shot of silicone spray? Thanks all!

 

Remove trim (300) spring, dampening, and attachments points should be self explanatory.