Mercedes CLS boot carpet colour?

Hi everyone, im looking for some carpet so I can trim my audio boot panels in the OEM style of carpet? The carpet itself is like a medium grey colour...I have pulled off the tailgate trim panel and the sticker on it says...

Borgers
Benennung : Verkleidung Heckdeckel ECE Griffmulden
Teile-Nr : C219 690 0541 / 9C53
Stand : YAP 943304
TYP : C219
Datum : 23 06 2004
Q-stand : Q1

I just need carpet on a roll so I can make some replacement panels yet keep the boot looking OEM