Mercenaries Cheats

To enter the following cheats go to your pda screen and switch to the factions screen (on your pda) to type the codes(use the d-pad)the codes will not work after a loading screen unless you re-enter it
INVINCIABLITY(IN WATER TOO)
press: up,down,up,down,left,right,left,right(when you go into a vehcle or coppter it can,t blow up unless you get out of it)you should hear a noise when it activates
ALL SHOP ITEMS
press: down, down, down, down, up, left, right, right
LOTS OF MONEY
press: right, left, right, right, left, right, left, left
INFINITE AMMO
press: right, left, right, right, left, right, left, left

You can glitch the beacon timer by purchasing the same item in the Merchant of Menace shop once the first beacon is deployed (this assumes you have access to that same item in the Mafia shop). Just beware that the maximum number of shop choppers delivering supplies is one; however, this glitch allows you to call in one chopper right after the previous with little delay.

Choose a mission. Park a damaged vehicle in the base where the mission is located,
accept the contract, then immediately cancel it. Select "No" at the "Retry" menu.
Your vehicle will be repaired with full ammunition at no cost.