hi,
Im new to this so here goes,ive got a 2007 203k saloon wdc2030462rxxxxx .

1. what is the correct command /pt no. I would need to replace my cd radio a2038273842.
2. what is the cost of the part,will i need just the new command.
3. who sells them/fits them at a fair price.

also what kit/parts /cost, do i need to fit a mobil in the car the wheel has got the buttons but theres no cradle ect in armrest, i want it all to work as intended by MB.

Can all this be done at one place without it affecting the warranty and not at MB prices.

thanks jab