My "first" Mercedes is the 500SL. I still need to do a writeup on that one. 19 years of pain and elbow grease with that car.

The Diseasel got a "diesel purge" to clear the crap out of the injection pump. To be honest, I haven't really noticed much of a difference before and after. That said, my engine isn't the world's best example either. Some say it helps, some say it doesn't. It did get some nasty garbage out of the pump (used injection pump). I'd say if it ain't broke, don't fix it.

__________________
Current stable:
1995 E320 157K (Nancy)
1983 500SL 125K (SLoL)

Gone but not forgotten:
1986 300SDL (RIP)
1991 350SD
1991 560SEL
1990 560SEL
1986 500SEL Euro (Rusted to nothing at 47K!)

Gone and wanting to forget:
1985 524TD 167K (TotalDumpster™) [Definitely NOT a Benz]