I came across this while searching. I had known that Ssangyong in Korea used the MB 3.2 M104 , apparently they also made a 3.6 version but there is some discussion as to MB M104 basis or not. I wonder if this could be a good source of 3.6 engines? ( As in Japanese style engine pulls.)

M104 3.6 still being manufactured? - MBClub UK - Bringing together Mercedes Enthusiasts

Ssangyong in Korea (otherwise known as Daewoo) have a range called "Chairman". They have 2 ranges, "Chairman H" and "Chairman W". Check out these engine specs...

Chairmain H (1997 to present, based on the W124 Chassis), available with these mercedes engine options coupled to a 5G Tronic gearbox...

2.3 I4 150 148bhp
2.8 I6 200 197bhp
3.2 I6 220 217bhp
3.6 I6 280 275bhp <-- Still being manufactured??? (M104.941)

Chairman W (2008 to present) available with these mercedes options coupled to a 7G Tronic gearbox...

3.2 I6 XGi320 222bhp
3.6 I6 XGi360 247bhp <-- Still being manufactured??? (M104.941)
5.0 V8 XGi500 302bhp
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From a parts listing

DAEWOO KORANDO (KJ)1999/01 - /
KORANDO (KJ) 3.2 M104.995 3199 156 Closed Off Road Vehicle 99.01 -
DAEWOO MUSSO (FJ) 1999/01 - /
MUSSO (FJ) 3.2 M104.992 3199 162 Closed Off Road Vehicle 99.01 -
SSANGYONG KORANDO (KJ)1996/12 -
KORANDO (KJ) 3.2 KJ 3199 162 6 Closed Off-Road Vehicle 97.06 -
KORANDO (KJ) 3.2 (KJ) M 104.995 KJ 3199 154 6 Closed Off-Road Vehicle 96.12 -
SSANGYONG KORANDO Cabrio (KJ)1996/12 -
KORANDO Cabrio (KJ) 3.2 M 104.945 KJ 3199 156 6 Open Off -Road Vehicle 99.01 -
KORANDO Cabrio (KJ) 3.2 KJ 3199 162 6 Open Off Road Vehicle 97.06 -
SSANGYONG MUSSO (FJ)1995/10 -
MUSSO (FJ) 3.2 M 104.992 FJ 3199 162 6 Closed Off Road Vehicle 96.06 -
SSANGYONG REXTON2002/04 -
REXTON 3.2 3199 162 6 Closed Off-Road Vehicle 02.04 -
Engine

DAEWOO M104.992
DAEWOO M104.995
MERCEDES BENZ M104
SSANGYONG M 104