fault code w204 cdi c320

Hi currently, have W204, the car appears to be blowing front sam unit. No heated seats, auto lights, wipers or horn not working. Replaced front sam, worked for a week. And it stopped working again. Could this be a fuse or relay? The main thing I would like working is the wipers. If I...

I've been wondering if there is a problem with the fuel economy of my 2008 C320 CDI pretty much since I have bought it. http://forums.mercedesclub.org.uk/showthread.php?t=117989 I've spoken to the dealer who tells me that a best of 32 MPG from a tank on mostly motorway is within acceptable...