Other circuits on fuse #5
Besides the stop lights, you have: turn signal indicator, back-up lights, fuel gauge, speed increasing solenoid, warning light for handbrake, valve unit and compressed air.
Ant of those items not working too?
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72
'02 CLK320 Cabriolet - wifey's mid-life crisis
2012 VW Jetta Sportwagon TDI...at least its a diesel
Non illegitemae carborundum.