COX THIMBLE DROME MERCEDES W196 RACER FROM AROUND 1961. COX THIMBLE DROME MERCEDES W196 RACER. Cox Thimble Drome Mercedes W196 Racer. THIS MODEL IS OFTEN FOUND WITH BROKEN SUSPENSION & BONNET CATCH BUT THIS EXAMPLE HAS PERFECT SUSPENSION LINKS & THE STEERING WHEEL BONNET MECHANISM IS FINE.