Fornutately no real rust on this one, I was lucky. When restoring these, do you clean the inside of the lid to shiny? Also do you know the paint color for the firebox?
Cleaning inside of the lid to shiny is not possible. The inside liner is made of some sort of galvanized steel and the grease seems to burn into it. Unless you remove the liner and leave the outer skin only which you can polish inside. But I recommend not doing this since the SS skin will discolor very badly.
And as for for the color I have not found a matching grey high heat paint which matches the Weber color. Weber does not sell it and will not release the RAL code either. I have used black on mine.
Someone here used that paint:
https://www.amazon.com/exec/obidos/ASIN/B000CPINBG/tvwb-20
https://tvwbb.com/showthread.php?78...igh-heat-paint&p=859440&viewfull=1#post859440
I have the same grill except it's an E320 ng. I really am very pleased with it's performance. We use it as an outdoor oven in the summer to keep the heat out of the house. Mine is a 2007 and still has the original grates and FBs which are still like new.
It cooks really well and I've never had any flareups.
You won't be sorry if you keep it.
BTW that French car seems to have more rust than the grill. ;-)