engine replacement

I recently had a blown engine failure and feel terrible, I want to find a replacement for a mercedez benz C 200 engine, sport, the car's model is 2019 but I wonder which years are compatible. But also interested if any of you know if it is possible to swap engines for a diesel instead. The car...

Disaster has struck! Timing chain and/or chain tensioners have broken. Either way, the engine went "BANG" and died. The tappets no longer work, no compression to speak of and the hood is still down - so there is no doubt on the diasgnosis nor of my predicament. The questions are: - what...