Bob - from what I have found on my searching on this is that by the time our cars were coming out in 2005, Bosch was selling the 003 pump which I found installed (and failing) on my car. That being said, Rob at NeedsWings told me he has been selling the 003 pumps for several years and has had no complaints from the buyers. I have no idea what is different about the 003 pumps that came originally on our cars (that fail) and the 003 pumps that he sold that were rock solid. Anyway, he is now carrying the 010 pumps, which is the latest revision of these pumps from Bosch and is an identical replacement to what is installed. NeedsWings has them as well as Amazon - they are the same pump if they end with 010. Your choice on who you purchase from if you need one. I installed a 010 about a month ago and I have no idea how long it will last, but the guys on the Mercedes Benz forums say this 010 pump is supposed to be more robust than the previous iterations. Only time will tell.

Thanks

RL