Mercedes certainly offers its own lineup of heavily tuned cars, but for some people that is just not enough. The thought of having a V12 engine in your vehicle is something that most people only dream of and Ferrari owners get to enjoy. The smooth and strong power delivery coupled with a deep growl from all 12-cylinders firing in sequence is the stuff dreams are made of and for some lucky E-class owners the dream has become a reality. Speedriven is a Chicago based firm that we have covered before and their latest Mercedes project is one of the most impressive.
The Mercedes E-class has been a modified platform ever since the original E50 AMG model. It provides the right balance of size and performance capability in order to receive certain upgrades. Brabus was the first company to develop a V12 version of the car and shoehorn the 6.0-liter Mercedes V12 from the S-class inside the engine bay. This version is still being built on the E-class of today, albeit in very limited numbers. One gentleman has been attempting to put a V12 inside of his W211 E-class, but it took him a lot of time to find the engine and somewhat capable of doing the conversion. Speedriven seems to have found the right formula to make this type of swap efficient.[...]
Source: topspeed Tuning