Vath Mercedes G55 AMG has 680Hp, 840Nm of torque and a top speed of 265km/h that was achieved with the help of some engine modifications.
Outside, Vath Mercedes G55 AMG has a new bonnet, front bumper,has LED lights and a great exhaust that gets out on the sides.
In order to be able to handle this beast Vath placed a sports suspension system and Vath brakes on it.
Vath Mercedes G55 AMG runs on 22″ rims dressed with Yokohama ADV ST tires


source[AutoEvolution]

Mercedes SLK AMG VATH has been released. The beast has a 5.8l engine with a compresor that releases 565HP and 770 Nm of torque.Mercedes SLK AMG VATH had its pistons changed, the exhaust system, distribution, a new high performance air filter and a long-stroke crankshaft.

Mercedes SLK AMG VATH ,with all these improvements reaches 310km/h but ”this speed costs”  30,785euro.

The components of the body kit of the Mercedes SLK AMG VATH are made out of carbon fiber and make it more streamlined(it includes new front bumper,rear bumper and new diffuser) and the wheels are 21”.

source(Vath)

Mercedes E50 Kicherer has been revealed hiding under the hood a 5.5l V8 engine.With the help of a new exhaust system and a new ECU Mercedes E50 Kicherer has 450Hp and 550Nm of torque and reaches 330km/h.
The exterior of the Mercedes E50 Kicherer is made out of carbon fiber.It has a new front bumper, new side skirts, new mirrors, a new diffuser in the rear bumper and 2 end rectangular end pipes.
Mercedes E50 Kicherer runs on 20″ Kicherer RS-1 rims.

Mercedes S63 AMG 2011 details have been released. It will be powered by a 5.5l V8 biturbo engine.Mercedes S63 AMG 2011 will hide under the hood 544Hp and 800Nm of torque with the help of which it will reach 250(software limited) and will breach the 100km/h mark in 4.5s

If you mount AMG Performance package the Mercedes S63 AMG 2011 will have 571Hp and 900Nm of torque with a top speed of 300km/h(also limited) and 4.4s to 100km/h

Mercedes E500 Cabrio AMG 2010 images have been released.The Mercedes E500 Cabrio AMG 2010 will include alloy wheels and new front and rear bumpers.
To improve the handling, sports suspension and brakes were mounted on the Mercedes E500 Cabrio AMG 2010

source[ZerCustoms]

Mercedes G-Couture Mansory has been revealed at the Geneva Motor Show. The G55 AMG was modified having a carbon fiber body, 700Hp under the hood and 649lb-ft of torque.

Enjoy the Mercedes G-Couture Mansory gallery

source[AutoBlog]

BRABUS E V12 Coupe has been released at the Geneva Motor Show 2010.This time Brabus stands out with an engine that releases 800Hp and 1420Nm of torque(limited to 1100Nm) capable of reaching 370km/h. BRABUS E V12 Coupe is available at the price of 478.000euros

BRABUS E V12 Coupe has a 6.3l engine, a special crankshaft, new cylinders and larger pistons.The bi-turbo engine has a special cooling system consisted of 4 water to air intercoolers. Brabus placed a new stainless steel exhaust system, developed a new system for the injection,driving and ignition.

The 5 speed transmission on the BRABUS E V12 Coupe and the limited-slip differential helps it to reach 100km/s in 3.7s, 200km/h in 9.9s and 300km/h in 23.9s

At the exterior BRABUS E V12 Coupe has LED daytime lights,carbon fiber fenders with big air vents, a modified rear bumper and a new diffuser.The tuners placed on this amazing car high performance suspension and braking system.

BRABUS E V12 Coupe runs on custom made 19″ rims,BRABUS Monoblock, with Pirelli or YOKOHAMA tires.

source[Brabus]

Mercedes C63 AMG Vorsteiner was made public and contains a body kit and a new set of rims. The new body kit borrowed some lines of the Clk Black series and has carbon-fiber elements and was called Mercedes Benz C63 AMG Aero Package
The body kit was created out of carbon fiber using the latest technology resulting a product 30% stronger and stiffer than an wet-lay product.

The front bumper was modified so it would increase downforce to the front of the vehicle. The new rear diffuser mounted on the Mercedes C63 AMG Vorsteiner looks more aggressive and has a central vent used for cooling the exhaust.Of course if there is a new diffuser there is a new rear bumper.This is also made out of carbon fiber and completes in an impressive way the front bumper.

Mercedes C63 AMG Vorsteiner got the Vorsteiner V-101 Monoblock Forged wheels.The wheels are available in 19″ and 20″ and wear Michelin Pilot Sport PS2 tires which were chosen for best grip.

source[Vorsteiner]

Mercedes E500 Coupe by Vath Automobiltechnik has a V8 5.5l engine that was tuned up to 435Hp and 575Nm of torque.These figures were done with the help of a new sports filter, a brand new sports exhaust and and upgraded ECU. With all these improvements the E500 Coupe has a top speed of 280km/h.
The exterior got a front bumper lip, a diffuser for the rear bumper and an aileron,all made out of carbon fiber.The tune could not be finished without a 20″ wheel set.
Vath Automobiltechnik called this model Vath V50

Mercedes CL65 and C63 AMG by Renntech, managed to obtain an acceleration record in a drag race. Mercedes-Benz CL 65 managed to end a drag race in only 10.62s at a speed of  215km/h

The Mercedes-Benz CL 65 AMG managed the performance with the help of a sport evacuation system, a special admission system and a larger intercooler.The ECU was modified and the model got a limited slip differential.Unfortunately we aren`t a Renntech client so we don`t have access to the engine specs.

The fastest C 63 AMG in the world is owned by Renntechs boss and ends a drag race in 11.6s at a  speed of 201km/h.This car uses a lot of Renntech elements,many of them being just prototypes.

source[Renntech]