If you do decide you liked the metal ones anyway...they are still available here
http://www.***************/search/product.aspx?sid=1l0qoejrq0ct0c551i124z45&makeid=800016@Mercedes&modelid=1194375@300TE&year=1989&cid=27@Suspension%20System&gid=7580@Stabilizer/Sway%20Bar%20Link

Thanks for the replies. I just wanted to be sure they were the right part. I'll put them on. If the creaking stops I won't care if they are plastic or titanium.

__________________
Tim Benner

00 ML320 170K
95 E320 wgn 160K