
German tuner does some serious engine work on the 12-cylinder unit to deliver 800 PS (588 kW / 788 hp) and 1,420 Nm (1,047 lb-ft) of torque.[...]
Source:
worldcarfans
https://www.tuning-links.com/news_2994_BRABUS+800+Coupe+based+on+the+Mercedes-Benz+CL+600.html