How do you change the fuel filter of a Mercedes?

I have a Mercedes c240 matic http://images.google.co.uk/imgres?imgurl=http://photos.ebizautos.com/used-2005-mercedes~benz-c~cl-c2404matic-6958-3221866-4-640.jpg&imgrefurl=http://www.richardsmotorcars.com/detail-2005-mercedes~benz-c~cl-c240_4matic-3221866.html&usg=__UkuU_8oU1FYz57VRteZSBxQwAuI=&h=480&w=640&sz=54&hl=en&start=1&tbnid=khxmP9fgfg1czM:&tbnh=103&tbnw=137&prev=/images%3Fq%3DMercedes%2Bc240%2Bmatic%2B2005%26gbv%3D2%26hl%3Den%26sa%3DX and i was wondering how to change the fuel filter.