RENNtech ROM Software | VMAX Increase | M654 Engine | Mercedes-Benz Sprinter | MY2023-2026 mercedes-benz-gls-class--167---2020-present--gls-63-amg-esr1798052 Gains: +59HP & +43LB-FT

Gains: +59HP & +43LB-FT

RENNtech ECU Upgrade for 166 - GL 450 BiTurbo 4-MATIC

FEA ANALYSIS RTS wheels are optimized with FEA analysis and durability tested according to JWL standards to ensure safety while you push for your best lap times

493 HP @ 5500 RPM

Superior resistance to abrasion and corrosion

RENNtech ROM Software | VMAX Increase | M654 Engine | Mercedes-Benz Sprinter | MY2023-2026 mercedes-benz-gls-class--167---2020-present--gls-63-amg-esr1798052 Gains: +59HP & +43LB-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)