I'd go poke around on the Pelican site and see if there's an ATE MC for one of the VIN runs and not for the other. If there is, that should answer your question. If ATE is listed for both, it can be a bit more complicated.

It might be a better idea to reverse-engineer the approach. See if there is a part number listed on the booster and see if there is a VIN split listed that you can find for it. Sometimes you have to think "backwards"

__________________
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]