Originally Posted by Naseem24

I Havd the same problem. It just happened to me I got a is250 2014 f sport with Navi. Basically the unit kept resetting itself and than eventually it said a program cannot be read please consult a dealer. I tried disconnecting the Neg terminal. That didn’t work. So I took it to the dealer and they told me I need a new radio. $2200 for the whole replacement. What did you end up doing to fix the unit?

Originally Posted by Catsndogs

I took the fuse off and reset the battery and now It works. Might not be the case for you but you can try to see if it fixes it. If not then best bet is to buy a new radio receiver. Their is one on Ebay for 660$ I think.

Originally Posted by Naseem24

What exactly do do you mean by, “you took the fuse out and reset it?” Did you replace the fuse? Or did you just remove it than reset the battery and than put it back in? And yea I’ve been looking for a new radio, but I only will replace it as a last resort cause they are expensive. And thank you for replying.

Originally Posted by Catsndogs

I took the fuse off and reset the battery and now It works. Might not be the case for you but you can try to see if it fixes it. If not then best bet is to buy a new radio receiver. Their is one on Ebay for 660$ I think.