The 603 with the 2.88 isn't exactly a rocketship off the line either, and it has more power AND torque than the 617 does. I'd suspect the 617 with the 2.47 could be borderline dangerous...

__________________
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]