RENNtech R1 Performance Package CLK 55

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 response across the vehicles entire powerband while still maintaining daily driver reliability.  

R1 Performance Package includes:

• RENNtech ECU Upgrade
• RENNtech Full Carbon Fiber Airbox

CLK 55 (C208) Stock Performance:

• 342 HP @ 5600 RPM; 376 LB-FT @ 3000 RPM

Modified Performance:

• 352 HP @ 5600 RPM; 390 LB-FT @ 3000 RPM