Career
Born in Szombathely, he was a forward and he played in a club from his birth-town named Sabaria Football Club. He scored the only Hungarian goal in the match versus Czechoslovakia. After retiring from playing, he became a manager. He coached in Italy between 1934 and 1937.
First he coached Pistoiese in the 1934-1935 Serie B finish remarcably well in third place of the Girone B at the end of the season.
However in the 1935-1936 Serie B Mészáros´s Pistoiese only avoided relegation in the play-off´s, after finishing 12th. Mészáros then left Pistoiese and joined Sampierdarenese which is one of the predecessors of Sampdoria and coached them in the 1936-1937 season.
He moved to the Kingdom of Yugoslavia and took charge of by mid 1939. BSK made an impressive run in the 1939 Mitropa Cup by reaching the semi-finals of the tournament that year.
After that, he returned to his native Hungary and, coincidentally, took charge of Újpest Football Club finishing in third place in the 1939-1940 Hungarian championship only one point behind champions Ferencvárosi TC. Then he returned to Yugoslavia, to BSK, and coached them in the 1940-1941 Serbian League.
In 1941, with World World War II already in its peak, he left Yugoslav capital Belgrade and for a short period he coached Hungarian side Salgótarjáni BTC, however still during 1941 he would return to Yugoslavia, although to Novi Sad, now under Hungarian occupation, to coach NAK Novi Sad, which was now known in its Hungarian name as Újvidéki Air Corps and was included in the Hungarian league system. He would stay with Újvidéki Air Corps until 1944, when Hungarian forces abandoned the city. He also coached Szombathelyi around 1943.
He died on 28 August 1944, in Uzhhorod, nowadays Ukraine, but back then known as Ungvár, while still part of Hungary.
He was also known as Erwin Meszaros.