Mercedes-Benz 300SL and Mercedes-Benz 300 SLR. I don't believe I've taken a picture of these two together. The SLR was the W194's successor. The W194 was the car that the 300SL was
LEGO MOC Mercedes 300 SL - Speed Champions 8 Studs wide by AbFab74 | Rebrickable - Build with LEGO
LEGO MOC Mercedes Benz 300SL Gullwing by firas_legocars | Rebrickable - Build with LEGO
LEGO MOC Mercedes-Benz 300 SL Roadster by barneius | Rebrickable - Build with LEGO