Bluetooth Issue with New Car

[Black06c230]

i have a mercedes c300 with built in bluetooth as a loaner right now. i can't for anything get the bluetooth to work...it can find my phone and once it sends a signal after putting in a passcode my phone gets it and asks for the passcode.

once i put the same code in it does a little dance and then says something about not being able to connect.

i have tried with my brother razr and it worked no problem first try...if my phone won't work then looks like this will not be a car for me to think about buying later this year to replace my current C

thanks