I’m guessing an A180 - 2013Under the bonnet, drivers side, fuse 8, 20A ceramic. Well it is in one of my cars but I doubt it will be the same in yours unless you have an r129.
But given you haven't said what Mercedes it is I'm only guessing.
If you turn your phone sideways into landscape it shows upCan't see that on a mobile unless you dig through his profile.