RENNtech ROM Software | VMAX Increase | M654 Engine | Mercedes-Benz Sprinter | MY2023-2026 mercedes-benz-gls-class--167---2020-present--gls-63-amg-esr1798052 635 HP / 780 LB-FT

635 HP / 780 LB-FT

493 HP @ 5500 RPM

RENNtech headers are constructed of the highest quality T-304 stainless steel and are ceramic coated to further reduce latent heat in the engine compartment as well as combat against thermal stress

Side Skirts and Diffuser

Each individual pump flows over twice as much coolant as the problematic OEM pump and significantly more than any aftermarket unit on the market

RENNtech ROM Software | VMAX Increase | M654 Engine | Mercedes-Benz Sprinter | MY2023-2026 mercedes-benz-gls-class--167---2020-present--gls-63-amg-esr1798052 635 HP / 780 LB-FTThe 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)