RENNtech Powertrain Control Unit CPC Tune for Mercedes Benz GLS 580 BiTurbo 2021 2023

RENNtech now offers CPC -upgrade for AMG M176 and AMG M177 -engines. The CPC upgrade increases torque limits and allows the engine to operate without the restrictions set by the stock/factory CPC unit. The CPC upgrade is included with Turbo upgrades and recommended with ECU tunes.

The RENNtech CPC is highly recommended with RENNtech ECU tunes and included with our Turbo upgrade packages.
NOTE: CPC upgrade is intended for use with RENNtech ECU software. Matching the RENNtech CPC tune to third party ECU maps requires additional steps

• Raised torque limits
• Increased speed limit

Note: The CPC upgrade is intended for use with RENNtech ECU software. Using the RENNtech CPC with other non-RENNtech ECU software does not guarantee proper functionality.

Vehicle Fitment Chart: