Edict,

Running 17'' on your MB may require fender rolling to avoid any possibility of rubbing when you hit potholes and bumps. Regardless of how you drive, you'll be surprised how much the suspension travels. I had my fenders rolled. Don't worry, just make sure you go a reputable wheel shop to have it done. My shop guaranteed against fender cracking and peeling. It came out perfect.

I current have a #2 bump in front and #1 bump in the rear. This gave me about a 1 1/2'' gap. Going to a #1 in front for your MB should be fine.

Eric

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'00 E430 w/ Solaris H-7's
Brabus 19'' Monoblock V, 2 piece
H&R Sport Springs

'99 SLK230 Sport