http://cgi.ebay.com/ebaymotors/1992-1993-400E-Mercedes-Performance-ECU-Chip-W124-V8_W0QQcmdZViewItemQQcategoryZ33597QQitemZ7989819424QQrdZ1QQsspagenameZWDVW

Thats the link to a chip on e-bay, buy it now is 89.00. I've heard there is a chip that is beneficial, but I wasn't sure if this one specifically was good. Has anyone heard of this chip or know anything about it? I have a 1993 400e, but I'm sure this brand makes chips for all models.