Well you've peaked my interest, I had to go and check a few items I currently have on hand. All of these parts were purchased from a local MB dealer, but have various points of origination:

Oil filter 300e-Made in France
Fuel filter 300sdl(canister type)-Made in France
Fuel filter 300sdl(canister type)older purchase-Made in Austria
Fuel filter 300e-Made in South Africa
Fuel filter 300d/240d(canister type)older purchase-Made in Austria
Voltage Regulator 300e-Made in Spain(Bosch)

It seems MB may be looking for ways to save money also, as most of the purchases above were made within the last year.
I've often wondered how I would like owning the ML class. I even thought about a tag that could be attached to the front of a nice ML class, it would read something like this:

"Professionally engineered by German Rednecks"

Please don't be offended by this, I lived in Alabama for several years and have a lot of friends and family, who are from there(some would even qualify as rednecks). The ML's are wonderful, no matter where they are built.

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1987 300SDL
1990 300E
1989 300E
1986 300E
1981 300D
1983 240D