Well that 3.0 six, was eventually bored out to 3.5 liters and was a bad engine from the start. This engine was notorious for bending rods, extremely high oil consumption etc. This is definetly the engine to stay away from $$$$$. Right off the top of my head I can't remember how long they used that 3.0 six cyl. However "long" it was, is no where near as long as the 5 cyl 3.0 turbo diesel. MB cranked out alot of the 617 engines, between the SDs from '78-'85, and the W123 series cars starting in '81 (wagons only) '82 for the sedans through 1985.
1994 MB E320 Coupe (199,500 mi)
1992 MB 190E 2.6 (173,000 mi)
1983 Porsche 911SC (148,000 mi)
2004 Volvo V70 2.5T (198,000 mi)
President of CT/Westchester Section