I used a mercedes benz original exhaust on my '71 280sl 4 speed , it had the best sound out of every 280sl I've ever owned, and I've a dozen!
that was my favorite SL, I miss her, who owns it now?
mettalic blue #2, 4 speed, black leather, totally restored enigne bay, engine, front end, and rear, new black top, sold it about 12 years ago......sold it at the bridgehampton auction in the hamptons