I just noticed something on the cart label, it actually says in German
"Original Nintendo Qualitäts-Siegel"
So maybe.. maybe.. This is a German only game and the Monaco Grand Prix Racing Simulator 2 is the French version?
**Edit**By the way.. the photo of the cart is just one I took off the Internet.. funny enough it seems to be German on that photo also.. But when I said I saw that it was German on the cart, I actually looked on my own cartridge.. So it seems to be the same sort of cart on the photo as I have.
**Edit 2**OK! You win Spiral!
It seems that this is the German version of the game apparently.. If Wiki is correct of course
https://en.wikipedia.org/wiki/Monaco_Grand_Prix_(video_game)#TriviaDown at the "Trivia" section it says;
In Germany, the game is just known as Racing Simulation 2 and has a different cover.
So ok, then I know what game it is

Thanks for your help!!