I thank you for the reply, is there anyone who knows what models are equipped with the self leveling hydraulic suspension?

Or maybe if the valve is rebuildable?

I am working on aquiring the part #...but my MB dealer parts # starts with a 202 pn#....yet the valve part # which i have found through a body shop ...starts with a 123... part #....seems odd?
So i cannot confirm if they can even be crossed referenced?
Are any more opinions? ADVIICE?

thanks again....