PeachParts Mercedes-Benz Forum - ~!~PLEASE HELP IDENTIFYING THIS PART~!~

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- - ~!~PLEASE HELP IDENTIFYING THIS PART~!~ (http://www.peachparts.com/shopforum/mercedes-parts-reference-library/418209-%7E-%7Eplease-help-identifying-part%7E-%7E.html)

~!~PLEASE HELP IDENTIFYING THIS PART~!~

Hello guys new to the forum me and my family are literally ready to leave for a cross country road trip and i go to get gas in the car and hear a scrapping and a metal on metal sound well i get out and look at the caliper and there is a rather large bolt completely lose and almost fallen out please if you could help me identify this part I've been searching for hours thank you guys !

background on the car: 2015 Mercedes Benz S63 AMG its the drivers side front caliper ive included pictures of the part in question thanks again guys!
https://ibb.co/GnJ614B
https://ibb.co/VDPgkXc
https://ibb.co/FHYBvsZ
https://ibb.co/qnpqVmW

backup links incase the hyper links dont work:
https://ibb.co/GnJ614B
https://ibb.co/VDPgkXc
https://ibb.co/FHYBvsZ
https://ibb.co/qnpqVmW

Quote:

Originally Posted by Viking1488 (Post 4256225)

That appears to be one of the caliper mounting bolts.
.