pull out the heads on 2002 Mercedes-Benz S600

I would like to replace the oil coolers where it require pulling of both heads. I got to the valve cover and I am not sure of how continue. should I take out the chain and how is it by taking of the valves ?? and how to remove the headers as it is hard to reach the lower nuts..

Asked by for the 2002 Mercedes-Benz S600
1 answer
Don't attempt to do this yourself, you don't have the knowledge to remove the heads (I know from your question - don't take it personally, I just don't want you to ruin your engine). Please find a MBZ specialist to do this for you.
If you want to find a specialist, here's a directory link for you: