On 13. and 14. 6. 2012 was held at the headquarters of Mercedes Benz Czech Republic and in tank training area in Milovice international customer event. On the event was presented among other truck-mixer Liebherr HTM 904 on the chassis of the Actros 3241 8x4 B, which was purchased by company TBG Metrostav. Customers could familiarize with the operation and maintenance of Liebherr mixing drums.