R1 Performance Package | C209 | CLK 55 AMG | 385 HP / 400 LB-FT | 5.5L NA V8 | M113 audi-s8--d4---2012-2018--4-0l-v8-esr7501940 Mercedes-Benz USA did not officially

Mercedes-Benz USA did not officially publish Torque performance numbers for the W463 - G65AMG

Hard facts:

362 hp @ 5

515 LB-FT @ 4

The RENNtech ECU Upgrade brings the C 43 AMG Coupe up to 400 HP and 440 LB-FT | Gains: +25 HP and +42 LB-FT

R1 Performance Package | C209 | CLK 55 AMG | 385 HP / 400 LB-FT | 5.5L NA V8 | M113 audi-s8--d4---2012-2018--4-0l-v8-esr7501940 Mercedes-Benz USA did not officiallyR1 Performance Package for 209 CLK 55 AMG. Includes ECU Upgrade and Carbon Fiber Air Box. Up to 385HP and 400LB FT. The R1 performance package for the Mercedes 55 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offers a larger volume of incoming air for better engine breathing and improved cylinder filling. This combination that provides noticeable increases horsepower, torque and throttle