We have found a number of the older C classes with the Nokia 6310i cradle wired permanently to the car with faulty cradles - normally because the pins have been bent.
This is a new replacement cradle, which will then allow you to use your 6310i again or a MBU3000 for bluetooth to other phones.
This is a new replacement cradle, which will then allow you to use your 6310i again or a MBU3000 for bluetooth to other phones.