The R1 performance package for the Mercedes 600 V12 engines includes our proprietary ECU upgrade, TCU (transmission control unit) upgrade in addition to our higher efficiency intercooler pump.

This combination that provides huge 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 TCU Upgrade
• High Efficiency Intercooler Pump

S 600 (W221) Stock Performance:

• 510 HP / 612 LB-FT

Modified Performance:

• 635 HP / 780 LB-FT