Mercedes W123 Wagon with a 7.3 L V12

When this 1988 Mercedes W123 rolled out of the factory it was powered by a 3.2 L M104 inline-six engine but recently this crafty owner decided to increase the size of the engine in his wagon by more than double. So the owner found a rare 7.3 L AMG M120 V12 and automatic transmission sourced from a Mercedes S73 W140. The engine produces 558 horsepower and over 720 Nm (531 lb-ft) of torque. These are the same engines Pagani used in several Zonda models. You can see the engine is taking up every inch the engine bay has.

Source: Drive.ru via SwapBlog Facebook post