Originally Posted by Pooka

I would try the dealer. I don't know the extent of the auto parts network in Oman, but if there is a Mercedes dealer there, and there is bound to be, they can get anything you need back to 1949.

My dealer is pretty good on prices for these sorts of things. The fact that it is old is no big deal to them. They just punch in a few numbers and the computer does the rest. When the parts arrive they call me.