Help needed identifying flanged nut

[fgunn]

Hi, there looks like a missing nut in the engine compartment of my 2010/2011 W204 C250 CGI. The nut, if present, would hold the insulation material to the body. It was already missing when I got the car, and the imprint that the nut left on the insulation material would suggest that it was there at some point earlier.

Would really appreciate if someone could help me identify the part number or name so that I could find a replacement for it. Thanks.

 

[grober]

10 X Plastic NUT BMW MB Seat VW 2019900050 441955973B 51711958025 141D | eBay

check dimensions of the existing nut??

 

[renault12ts]

I'm not sure if I'm missing something...but your second pic gives you absolutely all the info you need to enable you ring MB, see if they have it in stock and go from there.

 

[fgunn]

thanks mr grober and mr renault. yes, i did exhaustively search the numbers and alphabets appearing on the nut but came up with nothing remotely helpful - which was surprising.

now that i know that the nut is indeed missing (and not purposely left out) i'm wondering why this was so on a car that has never needed a repair apart from the usual once-a-year service.

thanks again.