Troubleshoot cd changer problems - 1999 Audi A6

A couple of different possibilities here but this is a typical problem when it comes to the MB cd changers. Before ruling the cd changer bad, check the spring settings on the sides of the changer. Make sure they are in the 'H' position since it sits in the glovebox. The Mercedes cd changers don't have a reset button. 95% of the time its the cd changer that is bad when this scenario happens. Its caused by a linkage that gets knocked out of place internally of the cd changer. Also try not to use burned or homemade cd's as they can also cause the cd changer not to read the discs anymore.If your cd changer is brand new or a factory rebuild then the dealer should change it out no problem since MB cd changers are known for this problem. Also the version coding needs to done to configure the D2B fiber optic ring properly.

Reseat the connector behind the CD changer. Otherwise the changer needs to be serviced, there is a sensor to tell the unit CDs are present.

I am having the same problem with my CD changer in a 2004 Suburban. Have you found a solution yet? Chevy dealership told me that I would have to replace the radio.

2000 bmw 528i,my cd changer also reads no cds,this seem to be a common problem with all bmw cd changer.Anyway i removed the cd changer from my car,took the outside black cover apart only to see that a white big wheel came of its place,(its the wheel that holds the cd in place from the top (bottom wheel is black attached directly to the motor,as the cd is sandwitched between the black,and white wheels) .if that wheel is out of place the cd will not turn inside the changer for the eye to read it,so your radio screen will read NO CD OR NO DISC.Very easy fix,just place the wheel in its place,and everything worked fine,it took me 20 minutes to fix.
p.s :
1- you do need to make sure you have an original cd in for testing it.
2- you do not need to recode your cd changer at the dealer if you have an old bmw,dealer will need to recode cd changers for 2006 and up.
Good luck.

The cd changer internal mechanism is faulty, replace the cd changer itself.

Have you checked fuses and wiring to the componant, if it is an add on there may be an inline fuse to the changer itself located on the red wire on the back or from the fuse panel, so that it is double protected, one of the fuses may be burnt. If not most likely it is a wiring problem between the changer and the fuse panel.

Did you change the battery ? If so try disonnecting and reconnecting the CD changer.

Hi,

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sadly this seems to be a common problem, and you will need a new cd changer :(
(same thing happend to me) :(
but while your at it its an excuse to upgrade your stereo