The mercs_8_mappack_4.zip file you have requested: Modifications / Mercenaries / Mercenaries 8 - Map Pack #4 - 249.89mb is not available. Perhaps try browsing all files for the game Battlefield 2 and upload any files you want to share or are missing. This is the only information we could locate:
These maps have been redone to comply with BF2 patch 1.3. Please note that you will need Mercenaries 8.0 to play.