5 off 6.5J x 15 ET44 8 hole alloys with winter tyres; 4 are Continental TS830's ( one requires replacement: the others have at least 4mm of tread) and one is a Michelin Alpin with at least 7mm of tread. Size 195/65 15.
These wheels are very used and are cosmetically challenged, however, they all...
They appear to be: attached poor images to illustrate.
Quick measurements suggest the overall dimensions of the mirror ( and housing) are the same, the sunvisor itself being much bigger on my S124 compared with the A124.
I'm sure that the Aux Fuse Holder is the one on the right of your image.
As you say, the fuses look good and if they test ok with a multimeter...........
With the roof up or down, it doesn't matter, do the headrests retract from the switch on the dash repeatedly ( 5 times or more)?