Bulb Q for c43

[IamJanuar]

What is the european bulb code for c43 1999 rear turn signal (7507? 7225?). I bought a 1157 bulb and it seems not to fit right.

[Ashkan's C280]

1157 was dual filament I believe not sure if that helps, but I would also like to no this because I am looking into getting white blubs all around