Purge valve

[c200Kompressor]

Hello! My C200 Kompressor is get me krazy!!! The idle is up and down (from 700 to 800 rpms) and the 1 start of the day take a little bite long. Can the purg valve be clean? And if so how?

 

[c200Kompressor]

Hello! So i clean the purge valve; the "accelaration body"; the pipes; etc, but the idle is like before... I left one pipe to clean: the one that connect's near the intake. I saw here a DIY for this... But if that want solve the problem is there anything more to be done? Change the coils (they are new - 5000 km's)? I