Hello, I hope it is the right place to find out the solution

I bought One of my favourit DVD GPS Player for my MERCEDES B CLASS and I would like to know if someone has experience with the Bluetooth Connection of my iPhone 4s.

It should be fully compatible!

Mercedes-Benz B Class W245 (2005-2010) Touchscreen DVD Player with GPS Navigation and BT iPod FM PIP RDS for Benz A-Class