RENNtech ROM Software | VMax Increase | M176 Engine

The 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 :

• 2018–2020 W222 S560

• 2018–2021 C217 S560

• 2020–2023 X167 GLS580

• 2021–2023 V167 GLE580

• 2016–2018 W463 G550

• 2017–2018 W463 G550 4×4²

• 2019–2024 W463A G550