I opened the hood of my 2021 Mercedes Benz C43 and found this yellowish puffy stuff. All I know is it shouldn’t be there, but I have no idea what it is. Can anyone tell what that is? Thanks! [C43Fluff]

Can anyone tell what this is under the hood?

masa_deguchi_179132 January 18, 2022, 7:51pm 12

I meant a safe-for-human option.

03 Ram 1500 4.7 What is this Tube chewed by mice

Topic		Replies	Views
Rodents under the hood Maintenance/Repairs hyundai , sonata	10	3780	August 16, 2021
2016 Mercedes-Benz GL-Class - Smells like Cracker Jacks Maintenance/Repairs mercedes-benz	6	616	December 7, 2019
Rodents nesting under hood of Sub. Forester 2006 Maintenance/Repairs subaru , damage , forester	17	2974	June 10, 2007
Mouse nest found in engine bay General Discussion	37	5756	April 9, 2020
I have mysterious scratches on the hood of my car Maintenance/Repairs ford	24	15884	November 5, 2019