GMP Performance

If you haven't checked prices on RENNTECH's twin-turbo V12 upgrades lately, we may have a pleasant surprise for you. Give us a call at 888-488-2028 for more details on this special offer!

Here is what we have available for the S65 AMG:

RENNTECH Package 1-

Take your V12 twin-turbo 65 AMG to the next level of performance with RENNTECH's Package 1 ECU/TCU upgrade.

Stock- 604 HP @ 5500 RPM; 738 LB-FT @ 2000-3000 RPM

RENNTECH PKG1- 670 HP @ 5500 RPM; 840 LB-FT @ 3500 RPM


RENNTECH Package 2-



For those who want the most out of their twin-turbo V12, only RENNTECH's Package 2 will do!

Includes the ECU/TCU Upgrade, as well as a Carbon Fiber Airbox that not only looks stunning, but also allows your V12 to breathe more freely, resulting in performance that is simply staggering:

Stock: 604 HP @ 5500 RPM; 738 LB-FT @ 2000-3000 RPM

RENNTECH PKG2: 685 HP @ 5500 RPM; 870 LB-FT @ 2000-3000 RPM


Please feel free to PM me with any questions about RENNTECH upgrades for this or any other Mercedes-Benz vehicle.