I have a rear seat set for a 1990 500sel.
Black, heated, and pillow style head rests.
Includes center armrest but not the center console.
$325, plus shipping.

A 1990 500SEL would be a Euro model, right? Trying to figure out what exactly you're selling. Are you selling a w126 rear bench? Rear bucket seats? Whats a "pillow style" headrest?

They are like the euro's but the centers of the seats are not fabric, they are leather on my set. Pillow style are the 190e 16V style or the 190e sportline edition (minius the red center). They are like the third picture down on this thread, but mine are black.
http://www.benzworld.org/forums/w126-s-se-sec-sel-sd/1823938-well-sorted-sec-seats-versus-recaro.html