WADAN,

I know that the US clients were and are spoiled by mercedes, but the pneumatic door assist was an option in europe... Not every W140 S-class has that option here and I do not whether it was an option in the US or not, but with the dutch W140 we have to "slam" close most of these doors...
I presume that the american models do have this gadget as a standard item...

greetingz,

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1990 300SL-24
1993 C250D with a minor 600+k kilometer
www.MBenzNL.com(the Netherlands)