As far as a group price all I can say is get ahold of them on their web site and ask. www.Upsolute.com .

It sould be the same file they use on the SLK 320 6 speed. They will want to baseline the first 6 speed. Like they did with mine for the auto-stick. What that means is the first 6 speed to get it done will have to go in twice. The first time to have the chip read and the file sent to Austria so Rene and read it and do his magic. He then sends to flash file to your rep. and you go back in and have the new chip files installed.