Career
Erhardt is regarded as one of the crowd favorites in Frankfurt hockey. He played for both the Eintracht Frankfurt, as well as for ESC Frankfurt, and his jersey #27 has been retired in Frankfurt. In his time at Eintracht Frankfurt, where he played from the 1983-1984 season, he was instrumental during the 1985-1986 season in the rise to the 1st Bundesliga.
In the 1988-1989 season he remained in Germany and played with European Commission Bad Nauheim, before he joined the Austrian Hockey League"s Kapfenberg European Commission for the 1989-1990 season.
He did not play the 1990-1991 season, but he returned as a player to help in the rebuilding of hockey in Frankfurt, joining Eintracht Frankfurt for the 1991-1992 and 1992-1993 seasons. Erhardt was honored for his services to the Frankfurt Hockey with his jersey #27 being retired and hung under the ceiling of the Frankfurt Lions" ice rink.
Now living in Kelowna, British Columbia, Erhardt remains involved hockey as a head coach with the Kelowna Minor Hockey Association.