My '83 240D has stock deer whistles that came standard with that model year, I understand.

I think they called it "4CSB", but I could not find anything on it in the owners manual.

Actually, I have it in surround sound. (4-constant-squeaky-brakes...)

haven't hit a deer yet.......yet.

__________________
Current: '91 300TE 4MATIC 317k and climbing...
Former:
'81 300TD Wagon 168K "Tank"
'83 240D 216K 4spd manual "Da Bear" (aka best car ever)

"Never sweat the petty things...
and never pet the sweaty things."