[5] In the first round of the season at Nogaro he finished 12th on debut, feeling "a little disappointed" as he missed out on reverse-grid pole for race two.

[10] In the penultimate round of the season at Lédenon, started on a promising note, with Kalender running as high as eighth and finishing tenth in race one.

[14][15] Finishing runner-up on his series debut at Oschersleben, Kalender then missed out on race two pole by 0.031 seconds but rebounded to take his first win of the season.

[16] In the following round at Zandvoort, Kalender extended his points lead by winning race one from pole position.

[23][24] On February 12, it was announced that Kalender would step up to DTM with Landgraf Motorsport, alongside Lucas Auer.