rear camera

Hi all Just a couple of questions. On my 2011 S350 the rear camera has gone u/s. Can you recommend a solution? I'm in the west midland. Also, noticed my sat nav wasn't displaying up to date roads. Does mercedes charge to update the navigation when in goes in for servicing or do you have to ask...

My name is Carol and I am new to the Forum. I have joined in the hope to try and get some information/assistance with a few issues that I am having with my S Class. In January it began loosing the radio stations in all areas not just on the motorway. When I took it into Mercedes Benz they...