Tuning firm Carlsson has released a new performance package based on Mercedes C63 AMG, called the Carlsson CK63 S.

Power jumps from 457 hp to 565 hp, while peak torque climbs 85 Nm (63 lb-ft) to a total of 685 Nm (505 lb-ft). This enables the CK63 S to accelerate to 100 km/h in just 3.8 seconds, compared to 4.5 seconds in the standard C63 AMG. The car also features a sports air filter, a carbon fiber Carlsson motor cover, sport rear muffler, and an electronic speed limiter which kicks in at 300 km/h (186 mph).

Helping to control all this power is a new Carlsson RS coil-over kit which features step-less height adjustment and adjustable damping. The company also suggests that owners install a limited slip differential in order to improve traction and increase driving stability. The CK63S is also available with ultra light wheels which weigh 38% less than the standard wheels and allows for improved driving comfort.

No tuner car would be complete without a styling kit and Carlsson is happy to oblige. Both ends of the car get special spoilers to improve high speed stability, and can be made of either high-quality polyurethane or carbon fiber. For the interior, customers can choose from a variety of options in order to make their car truly unique.

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The Vorsteiner name is still somewhat fresh in our brains following the recent E92 M3 CSL package story, but the California based tuner wants us to remember it permanently. So they’ve quickly released another kit but this time for the Mercedes-Benz CLK 63 AMG Black Series dubbed, “Black Widow”.

Striving to subtly enhance the already dangerous looks of the Black Series CLK, Vorsteiner have crafted functional front and rear spoilers which are constructed of lightweight dry carbon fiber. Vorsteiner states the spoilers improve down force & aerodynamics during high speed tests at the track over 321km/h (200mph).

The carbon fiber rear spoiler balances the front end out by extending the original factory rear lip spoiler design by approximately 50mm with a more aggressive wing profile. Both of these components are a direct bolt onto the factory body panels without any modifications required.

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Did you know that Kleemann is a Danish tuning company based in uhm, Denmark? Did you know they have an office in the US of A, and that they export their products to over 40 other countries? Did you know that Kleemann felt that the Mercedes-Benz CLK 63 AMG Black Series was not enough? Imagine that! What’s not enough exactly? A few things really. One of them is power. These days any old kitchen mechanic can wring out 507bhp out of a car, no big deal. Kleemann felt this number could be challenged, not too madly but enough to worry the tarmac about all that melting rubber.

In order to do this Kleemann provided the CLK with a kit consisting of a set of high flow exhaust manifolds with matching downpipes and 200-cell steel sport catalysts, and a remapped engine ECU. For their troubles they were rewarded with an extra 38bhp, taking the unit up to 545 ponies. Torque is 675Nm. Power goes to the 20” tyres fitted at the back, which measure 305/25 and 11” wide, while front axle has to do with 10” wide with 255/30 tyres. The standard gearbox was not messed with, so it remains, along with the awesome driveability of the CLK 63 AMG Black Series. By the way, this special kit is codenamed Kleemann 63-K2 and can be fitted into any of the 63 AMG cars on the road today. Can we get some performance figures please.

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The Brabus engineers have got down and dirty with the Mercedes C 63 AMG to produce the B63 S Performance Kit. It adds 73hp to the 6.2-liter V8 AMG power unit bringing total output up to 530hp (390kW) whilst the peak torque grows by 50Nm to 650 Nm (479 lb-ft).

Free-flow high-performance metal catalysts, sport air filters and a bit of ECU tuning take full credit for the power boost which propels the model from 0-100km/h in just 4.1 seconds (from 4.5 seconds), 0-200km/h is is achieved in 13.1 seconds (from 14.5 seconds) and the top speed now lies at 197mph (315km/h).

To compliment to increased power and performance, Brabus also offers a range of accessories that not only make the model look good, but feel good as well. It features a height adjustable suspension kit , a Brabus high performance brake system, high perfomance tires wrapped around custom-tailored 19-inch rims and it is completed with exclusive interior options.

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When we first heard of the Mercedes SLR Mclaren 722, we all licked our lips at the prospect of a 722 horsepower engine, but when the final figure of 650hp was released it left a sour taste in our mouth. Renntech soon put that sweet taste back with their own tuning package which boosted the supercar’s power up to where it should be at 722 horses, and now by popular demand the tuning house has pumped yet more ponies out of the 5.4-liter supercharged engine bringing total power up to 740hp

For the upgraded tuning package Renntech have re-worked the ECU software and added a less restrictive motorsports-style exhaust system to get the extra ponies to the new Renntech Signature 10-spoke, 3 piece performance wheels.

For an extra bit of added spice the tuner has also provided a nice little video in which you can hear the engine.

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The Mercedes CLK63 AMG Black series is based on the official F1 safety car and incorporates the pinnacle of Mercedes’ performance technology therefore any tuner wishing to enhance this package has a challenge on their hands, a challenge Renntech was more than willing to take with the release of their latest tuning program.

The monstrous 6.2-liter AMG engine already pumped out 507hp and 630Nm of torque but the Mercedes tuner has managed to pump this up up to 550hp with an additional 60-80Nm of torque. Achieved with a bit of ECU tuning and the addition of long-tube headers and a motorsports style exhaust sharpening throttle response.

“Real-world performance is all about torque, not so much about a peak horsepower number at very high rpm,” explains Hartmut Feyhl, company founder. “It can be very easy to build high rpm horsepower, but to get instant throttle response and mid-range acceleration it is more difficult, and this is where customers really want to feel that improvement.”

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As one of the first Mercedes tuners to come forth with a comprehensive tuning package for the new Mercedes C 63 AMG, German tuner Väth have put together a tasty package. With a modestly redesigned front bumper fascia that closely resembles the original, the rear gets more dramatic with three prominent diffusor vanes protruding outwards plus the boot spoiler gets another boot spoiler on top of it.

For performance Väth has reprogrammed the engine control unit, added a freer flowing exhaust manifold, and stainless steel sport exhaust. The result is an earth pounding 585 hp (430 kW) and 690 Nm of torque compared to the already potent 457 hp (336 kW) with 600 Nm of the stock 6.3 liter V8 engine. With the speed limiter removed top speed climbs to a lofty 202 mph.

Other upgrades include sport suspension, bigger brake rotors (390mm), sport brake fluid, 19-inch wheels, new sport seats, revised instrument cluster, TV/DVD unit and many other customizations. The V63RS Clubsport can be yours for approximately EUR 125,000.

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Its well balanced aerodynamic properties make the Brabus Widestar a perfectly suited to serve as the platform for a tuned version of the ML 63. The latter was developed by the Brabus motor engineers in form of the B63 S performance kit. The production V8 engine delivers 503 bhp. It is fitted with sport air filters and high-performance metal catalysts as well as newly programmed engine electronics with custom mapping for ignition and injection. Together these measures result in an increase in power output by 47 bhp to 550 bhp. Simultaneously peak torque grows 480 lb-ft. Vehicle performance benefits accordingly. The sprint from rest to 62 mph is shortened to 4.9 seconds. The engine tuning and installation of the Brabus V/max unit increase the top speed from 155 mph to 170 mph.

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