The CD changer may suffer from an internal mechanical problem. Replacement of the faulty unit is generally required to correct this issue.Google+
Car Problem Reports
Mercedes-Benz C230 CD Changers May Suffer From Internal Mechanical Problems
Mercedes-Benz C230 Problem
Average Mileage: 93,914 mi (10,000 mi - 210,000 mi)
Visitor, 2003 Mercedes-Benz C230, 118,000 mi
CD changer was playing CD then suddenly reported on screen "No CD Magazine" now magazine will no eject and all CDs are stuck.
Visitor, 2006 Mercedes-Benz C230, 54,890 mi
Same deal here, i get a "no magazine" on display and green button wonts eject....and now i am sad
Visitor, 2007 Mercedes-Benz C230, 10,000 mi
Cd changer issues a CDC Error and will not load CD from the CD changer
Unit stopped workin w/o warning.
Visitor, 2006 Mercedes-Benz C230, 78,000 mi
CD Changer wont eject cartridge / magazine - radion display shows no CDC
Visitor, 2002 Mercedes-Benz C230, 155,000 mi
CD 3 appears to be stuck in the play position (tray is shifted to right). Display says "NO CD CHANGER" and the eject button isn't ejecting the magazine. I have tried to mechanically move the tray for CD 3 back into place, with no luck. I've also tried the credit card trick under the magazine, again no luck. I am going to attempt to remove it carefully, put all the trays back into position, and see what happens.
Visitor, 2007 Mercedes-Benz C230, 61,000 mi
Bought this car used with 36,000; never tried the changer until today; loaded the CD's but receive cdc error message, green button won't work and the cartridge won't eject. Just spent 45 minutes getting the cartridge out to rescue 6 cd's!
Cd player was playing cd then suddenly reported on rhe screen "no cd changer" now magazine will no eject and all cds are stuck
Visitor, 2004 Mercedes-Benz C230
my cd changer sometimes works sometimes it doesnt. sometimes it doesnt recognize the cd installed in one of the compartments, its random.
Visitor, 2004 Mercedes-Benz C230, 65,000 mi
One of the six CDs got stuck in the player and would not come out. Unit had to be replaced completely.