Johnny Manziel -- Hunted Down By Mercedes Owner ... Pay Up, A-Hole (VIDEO)

Johnny Manziel isn't the only thing out of control ... so was the Mercedes he rented, and the guy who owns it went on a mission Friday to track the QB down and demand a sizable check.

Johnny was leaving Trump Soho in NYC when it became apparent his SUV was being blocked by a fleet of cars from Precision Concierge. Seems Wayne, the owner, got wind Johnny was there and he wanted to settle a score.

You'll recall last month TMZ Sports broke the story ... Johnny rented a Mercedes in L.A. and it crashed into a pole on the Sunset Strip, totaling the car. Johnny and the driver, OVO Ryan from Drake's crew, fled but came back and fessed up.

Here's the problem. The Benz was owned by Wayne's company, and Johnny hasn't forked over money for the whip.

So Wayne and Johnny had words in NYC, and as you see in the video Wayne walked away a very unhappy man.