Mercedes Benz G-Class G550 100.0

Installation
addon:
1:Copy topcar folder to
X:\Grand Theft Auto V\mods\update\x64\dlcpacks

2:Use OpenIV extract
X:\Grand Theft Auto V\update\update.rpf\common\data\dlclist.xml
then use notepad open it,add new line

dlcpacks:\topcar\