Originally Posted by
steveb8699
I am reporting back for those who are interested. I purchased the inflatable donut spare for a Mercedes SLK 320. Rim Diameter is 15, Rim Width 4.5. Bolt patter 5 on 112. Manufacturer Part Number A1705840538. I attached an image. It turns out the spare fits on the rear, but will not fit over the brake calipers in the front. In other words, it is useless. If anybody has an SLK they need it for let me know. CROSSFIRE OWNERS- THE QUEST CONTINUES!
Good investigative reporting 180.

I wonder if steveb8699 has a SRT6 or an NA. That could mean the difference right there.