I had them on an Audi a few years ago and they were fine. They too are OEM on Mercedes. I have asked several Germans about them and have always been told that in Germany they are considered the equal of Bilstein. Bilstein has just done a much better job of consistently serving the U.S. market and consequently they have a much better reputation here - which is reason enough to buy Bilstein. Boge are usually a little cheaper but for me not enough to make it worthwhile.