I seem to remember a few explitives coming out of my mouth during the install. I think that rear rubber exhaust hanger is the most over engineered part on the car . . . but it did have AMG printed on it. I need to learn to swear in German, perhaps that will help with future installs. Anyway, I did the same zip tie trick. I had one side that kept coming off, this resulted in the exhaust banging off the rear lower control arm on the drivers side when I made hard right hand turns. By pulling the two rings in tight together with a zip tie it eliminated the the exhaust hook from sliding off the hanger.