199244 - 99,244TH VIN assigned. Unrelated to production or anything 'sequential' other than following 99,243 and preceding 99,245.
K VON is consistent with Y39 Special Order coding. While many 'cop cars' have K VONs, other fleet non 'cop cars' have K VONs also.
C15 - sound deadening package 1
C54 = Split back bench seat with center arm rest.
M?8 = likely M38 indicating deck ornamentation
The top row is typical of Lynch Road tags listing the GATE BASE and SEQUENCE numbers related to producing the body ion white while the remaining codes are the three digit ENGINE, AXLE, and TRANSMISSION assembly codes.
It was a special order car but there is no way to know the actual application or intended use. Even for a 'detective' car, this would be pretty upscale car for a county Sheriff office with tight budgets. Upscaling the car does not increase the effect of the intended use. Fancy seats don't solve more crimes and costs the taxpayers more.
The musician in me came out. Did anyone else associate 'auction', 'Johnson Country Sheriff' and big block MOPAR with the song Copperhead Road by Steve Earle?