2004 mercedes-benz c320 in safe mode - 2003 Mercedes-Benz CLK-Class

SOURCE: radio audio muted and cd changer gives message no cd changer c320

Hi, Joe here to help. The cd changer is at fault. You need to replace the changer. The system is on a fiber optic loop which cuts out the sound if can not complete that loop.

SOURCE: 2002 MB C320 gas cap problem

I had the exact same problem, went to the Mercedes dealer and they fixed it for free with a pair of pliers. They just pulled up the metal clips and turned them back into place.

SOURCE: how to remove a radio from a c320 with navagation

they are secured with 4 bolts unlike the previous models that required keys. You must remove the console trim and ashtray. possibly the a/c/ unit and upper center vent. Just be careful not to damage the fiber optic cable that attatches to the back of the unit.

SOURCE: how to adjust headlights for Mercedes C320 2004

the garage has to do it for you.

SOURCE: I have a 2001 Mercedes benz c320 and there is a

Check your oil pressure!! Sounds like a loud lifter or maybe valve