Harry-
We researched the original parts used by Mercedes in the Sportline option package and those are the parts we supply in the kit. It's exactly the same springs, shocks, sway bars, etc
We supply every suspension part that differentiates a Sportline from non-Sportline. No more...no less.
These are not parts SIMILAR to Sportline...they ARE Sportline OE parts! The ONLY exception to this in John Elliot's kit that you saw are the front control arm bushings. We supplied Meyle bushings because that is what our supplier in Germany provided. Based on feedback from the Tech who installed John's kit, we will specify OE front control arm bushings in the future.

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