Savage AMG GT R packs 650 horses and 590 lb-ft of torque, needs a short leash to keep it on the road.

Engine upgrade package and an Akrapovic exhaust system make this E63 S Wagon an even faster grocery-getter.

Badass Renntech Mercedes fights through traffic and gives us lots of delicious revving goodness.

What happens when you stuff a tuned and modified M113K into a C209 Mercedes CLK500? Pure aural magic.

At the heart of this refined luxurious Mercedes Maybach S 650 beats the heart of a 900-horsepower savage. 

Mercedes has done a lot to quiet down the E63 S, making things more fun for owners to uncork them.

Oregon-based Xccessive Manufacturing’s 1990 Mercedes SL500 weighs only 3200 pounds and has 300 horses.