DEG Metro Stars
After his third season with HV71 in 2017–18, Pettersson-Wentzel left Sweden as a free agent and agreed to a one-year contract with German outfit, Düsseldorfer EG of the DEL, on March 21, 2018. Following his lone season in 2018–19 with Düsseldorfer EG. Wentzel was not offered a new contract with Düsseldorfer on April 6, 2019.