RENNtech ECU Upgrade CLK 320 (W208- 225 HP / 241 LB-FT) mercedes-benz-sl-class--230---2007-2011--sl63-amg-esr5733179 Size and Offset optimized for

Size and Offset optimized for 166 - GLS/GL63 AMG

The experience gained on the Mercedes-AMG helped RENNtech to develop one of the most powerful ECU Upgrades for the Aston Martin on the market

RENNtech AMG GT R Brake Ducts are designed to improving brake performance during dynamic road and track driving

Gains: +40HP & 74LB-FT

R1 Performance Package for 2220 - S 500

RENNtech ECU Upgrade CLK 320 (W208- 225 HP / 241 LB-FT) mercedes-benz-sl-class--230---2007-2011--sl63-amg-esr5733179 Size and Offset optimized forRENNtech ECU Upgrade for 208 CLK 320, up to 225HP, 241LB FT. Gains: +10HP & 12LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning software