roof rack

Hey guys just wondering if anyone has the part number or knows where I can get one of the above ? It’s the trim piece/cover that you pull up to put a roof rail on? The cars a 2016 cla45 amg Tia

Bike rack and cargo box for 2014-2016 CLA 250 or CLA45. Includes cross bars, bike rack and cargo box. Im in Ft Collins CO, will ship. $500 obo.