RENNtech ROM Software | VMAX Increase | M654 Engine | Mercedes-Benz Sprinter | MY2023-2026 porsche-cayenne--92a---2011-2018--s-e-hybrid-esr9908392 CPC Upgrade: The Powertrain Control

CPC Upgrade: The Powertrain Control Unit (CPC) upgrade increases torque limits and allows the engine to operate without the restrictions set by the stock/factory CPC unit

RPM Tuned: 417 HP and 442 TQ

400rpm Note: Mercedes M178 engine performance when measured

Intermediate ECU Upgrade | C 63 AMG S and non-S | Up to 574 HP / 612 LB-FT | Gains: +48 HP & +80 LB-FT

GLC63 AMG 4MATIC+ (MY2016+ | X253 | M177 | 4

RENNtech ROM Software | VMAX Increase | M654 Engine | Mercedes-Benz Sprinter | MY2023-2026 porsche-cayenne--92a---2011-2018--s-e-hybrid-esr9908392 CPC Upgrade: The Powertrain ControlThe VMAX module raises the factory speed limiter. The RENNtech Option Modules (ROM) are electronic modules that offer quick solutions to override electronic factory settings and restrictions. Installation is done in minutes through the OBD II port, and requires no tools. Fitment: 20232026 Mercedes Benz Sprinter (OM654 2. 0L diesel)