Brabus tunes the C63 AMG: Is it better than the RENNtech C63?

Muamer Hodzic September 5, 2008

Could it really be just a coincidents that both RENNtech and Brabus come out with super tuned C63 AMG vehicle in just two days? Well it might be just that, as both comanies worked for months to beat the “stock” version that AMG developed. Nevertheless, The BRABUS B63 S performance kit adds a whopping 73 hp (72 bhp) / 53.7 kW to the rated power output of the 6.2-liter V8 engine, and propels the car to a new top speed of 315 km/h (197 mph). This is certainly exciting news, but nothing too spectacular it seems, since this comes after the fact that RENNtech has actually been able to increase the HP on the C63 AMG by more than 97 horses.

So while the Brabus B63 S has 24 less horsepower, it actually has a top speed of 197 mph compared to 187 mph for the RENNtech tuned C63 AMG. While quantity of horsepower matters, it is always how you use them that matters most. The performance kit that proppels the B63 S to an amazing 197 mph includes exclusive accessories like a limited-slip rear differential, custom-tailored 19-inch wheels complete with corresponding high-performance tires, a height-adjustable coil-over suspension, generously dimensioned high-performance brakes and exclusive interior options.

Press Release

73 hp (72 bhp) plus for the C 63 AMG
High Performance Made by BRABUS

The world’s most extensive high-performance tuning program for Mercedes-Benz automobiles comes from BRABUS (Brabus-Allee, D-46240 Bottrop, phone + 49 / (0) 2041 / 777-0, fax + 49 / (0) 2041 / 777 111, Internet High performance made by BRABUS is now also available for the new C 63 AMG. The BRABUS B63 S performance kit adds a whopping 73 hp (72 bhp) / 53.7 kW to the rated power output of the 6.2-liter V8 engine, and propels the car to a new top speed of 315 km/h (197 mph). In addition, BRABUS offers a wide range of exclusive accessories from a limited-slip rear differential to custom-tailored 19-inch wheels complete with corresponding high-performance tires, from a height-adjustable coil-over suspension and generously dimensioned high-performance brakes to exclusive interior options.

The BRABUS engine specialists have developed the B63 S performance kit specifically for the fast-revving engine of the Mercedes C 63 AMG. It consists of free-flow high-performance metal catalysts, sport air filters and newly programmed engine electronics with custom mapping for ignition and injection. Together these components result in an increase in power output from 457 hp (450 bhp) / 336 kW to 530 hp (523 bhp) / 390 kW. Peak torque grows from 600 Nm to 650 Nm (442 to 479 lb-ft).

Also part of the conversion is the BRABUS Vmax unit, available in two versions for top speeds of 300 or 315 km/h (188 or 197 mph). Acceleration performance also improves with the added power: The sprint from rest to 100 km/h (62 mph) is shortened from 4.5 to 4.1 seconds; 200 km/h (124 mph) is reached after 13.1 seconds, down from 14.5 seconds for the production car.

The impressive top speed of the BRABUS-tuned C 63 AMG necessitates precise modifications to tires, suspension and brakes. The electronically limited top speed of 315 km/h (197 mph) is possible thanks to 19-inch high-performance tires from Pirelli or YOKOHAMA. The tires in size 235/35 ZR 19 in front and in size 265/30 ZR 19 on the rear axle are mounted on multi-piece BRABUS Monoblock VI, E or S light-alloy wheels. The front axle features these wheels in size 8.5Jx19, the rear axle in size 9.5Jx19.

The large wheels provide the necessary space for the BRABUS high-performance brake system. It features vented and grooved 380 x 37 millimeter (15 x 1.45 inches) brake discs and 12-piston aluminum fixed calipers on the front axle. The rear axle stops with 360 x 28 millimeter (14.2 x 1.1 inches) discs and 6-piston aluminum fixed calipers. These high-tech brakes can keep even the enormous performance of a tuned C 63 safely in check at all times.

The height-adjustable BRABUS coil-over suspension features gas-pressure shocks with ten selectable settings each for bound and rebound. It offers a sporty yet comfortable ride as well as agile handling with large safety reserves.

The palette of exclusive BRABUS accessories for the interior of the C-Class sedan ranges from scuff plates with illuminated BRABUS logo to the ‘BRABUS Race’ shifter.

Upon customer request the company-own upholstery shop creates especially exclusive BRABUS interiors crafted from a select combination of especially soft yet durable BRABUS Mastik leather and Alcantara.

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Comments (4)

  1. It should be noted that both car’s top speeds are electronically governed to 300 km/h (Brabus offers an optional limit at 315 km/h) – also, with 24 extra hp (and significantly more torque) the RENN will get to that 300 a bit quicker.

    Maybe you could arrange a comparison drive? RENNtech’s car is idling and ready …


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