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RENNtech ECU HHT (HandHeldTuner) for the 219 - CLS 63 AMG
550 LB-FT @ 3
The CPC upgrade increases torque limits and allows the engine to operate without the restrictions set by the stock/factory CPC unit
CLASS E SW (S 210) 240 V6 (HP: 170 | Year: 99 > 00)
RENNtech Porsche 997 Carrera (3.6L DFI) ECU Upgrade (365 HP / 300 LB-FT) renntech-merchandise RENNtech ECU HHT (HandHeldTuner) forRENNtech Porsche 997 Carrera (3. 6L DFI) ECU Upgrade. Up to 365HP and 300LB FT. Gains: +20HP & +12LB FT Our proprietary Porsche ECU upgrade offers rock solid performance from RENNtech, the foremost tuning authority on Bosch and Siemens engine control units. These same units are utilized in Mercedes Benz vehicles, which RENNtech has been tuning since electronic engine management started to show up in vehicles during the mid 1980's, though our