Weistec Engineering Tunes C63 AMG Black Series to 800 Horsepower for Shift-S3ctor Airstrip Attack 7

Article by Anthony Alaniz (Anthony_Alaniz). Video by Shmee150.

AMG, the performance arm at Mercedes-Benz, is the closest European automakers and engineers have gotten to accurately recreating the American muscle car experience—even doing better than some of the recent incarnations from Detroit’s Big Three.

While AMG turns its nose up to the sophisticated performance from its German brethren, the tuner’s Black Series is an obnoxious middle finger to the competition. So, how exactly does the company formulate its cars in such a way that produces a distinctly American feel?

Easy, the way America has always done it: a big, powerful V8 up front sending tire-shredding power to the rear wheels. Add a touch of mental instability, ensure you have budgeted your second mortgage on tires and you are good to go.

One shop known for pushing the MB envelope is Weistec Engineering, which brought its nearly 800-horsepower C63 AMG Black Series to Shift-S3ctor Airstrip Attack 7 this past weekend.

In stock form, the C63 AMG makes a disappointing 507 horsepower, far below the average 800 horsepower found at the event, and nowhere near the 2,000 horsepower produced in the Black Mamba Ford GT or OB Prestige's "Double Trouble" Lambo.

So Weistec flipped up the hood, grabbed a few German brews and got to work. Like any power build, the tuner added its own Stage 3 Supercharger system, which is a 3.0-liter twin-scroll system and a healthy dose of supporting hardware.

The supercharger works in conjunction with a high-flow exhaust system—3-inch stainless steel headers and 3-inch stainless steel x-pipe. The setup retains the factory resonator and mufflers, yet the sound is brutal, and if you close your eyes when you watch the video, you’ll question whether you are listening to a tuned Mercedes or a late 1960s American muscle car.

The upgraded bolt-on exhaust when paired with Weistec ECU upgrade and high-flow air filters gives the car about 90 more horsepower at the rubber.

To keep the intake air cool, the company offers an ice tank in the trunk that allows owners to put ice in the intercooler to chill the intake air as it enters the engine. This is designed for hardcore fans, offering with it a ball valve drain so hot water can quickly be removed and replaced with ice water between high-speed runs.

All that power is, of course, run through a modified seven-speed transmission that is found on many AMG models. Once the trans has been inspected, the gears, packs and input and output shafts are all cryogenically hardened.

The common trait with many of the cars that have shown up for Shift-S3ctor Airstrip Attack 7 (be sure to check out all our coverage) is that these cars are not making huge performance gains from a few bolt-on parts, but are meticulously engineered for automotive perfection, and that is just beautiful.


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Anthony Alaniz (Anthony_Alaniz)

Born and raised in southeast Michigan. Chose to stay out of necessity. Staff writer at a small community newspaper covering city government, the schools and whatever else happens in town. J-school graduate from EMU, weekend mechanic, car enthusiast and open-road connoisseur. Open to all invites of hospitality and adult beverages.
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