dynamicS & HDDP,
Somehow I think you both could have been a bit more forgiving in your postings.
HDDP,
Seems there is a conflict of information between you and Feets... maybe you two should compare notes and see what floats to the surface.
dynamicS,
Let these two iron it out and see what comes of it. Both have great experience with these automobiles. Feets happens to work at a Mercedes Dealership which gives him access to the actual parts. HDDP has actually changed the brakes on his Limited to the SRT6 system along with other numerous upgrades. I've examined his Crossfire. It's race prepped to say the least.
Don't discredit someone out of hand... if you see a discrepancy, point it out to both and see who made the 'dyslexic' error.
I too am still trying to wrap my brain around these things.
My understanding was that the SLK320 (R170 chassis) is the basis for the Base and Limited and the SLK32 AMG (R170 chassis?) is the basis for the SRT6. (Corrections & Clarifications are welcome)
Cheers!