EU regulation on engine/exhaustion sound?

Hi all,

Looking to buy my first AMG and my eyes are quite set on either C63 or C43.

But as in chasing the best sound possible (of course) I’m trying to understand the EU regulations that came into effect around 10 years ago to prevent too much noise pollution.

Can someone guide me in the direction of where/how to understand which model year is affected by this limitation?

Looking to buy a car in Germany and import it into my country of residence, but as I understand this is a EU wide regulation.

Thanks!