
Designed for owners who want exclusivity and performance, the V12 conversion is not easy but rewards drivers with 668 PS (491 kW / 658 hp) and 1,200 Nm (885 lb-ft) of torque.[...]
Source:
worldcarfans
https://www.tuning-links.com/news_2576_Mercedes+GL+gets+a+V12+engine+transplant+by+MKB.html