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    Stage 1 / 2 to Stage 3 Supercharger Upgrade, M156


    Availability: In stock


    Stage 1 / 2 to Stage 3 Supercharger Upgrade, M156

    Upgrade your Stage 1 or Stage 2 Weistec Supercharger system to our Stage 3 system with ease. Upgrading is made easy with all the parts needed to convert you to our most powerful system for your M156 equipped AMG.

    *Product may not be emissions compliant. Check local laws prior to installation. 

    Key Features:

    • Eliminated Piecing Together

    • 3.0L Twin Screw Compressor Upgrade

    • Complete 8-Rib Belt Upgrade

    • Complete Fuel Injector and Harness Upgrade

    • Weistec Engineering Stage 3 Supercharger System ECU Reflash

    PDF Filestage_3_upgrade (5.3 MB)Download


    This policy only applies to installers and/or users who are in the United States, customers who reside in other countries should act in accordance with their local laws and regulations.
    Some Weistec Engineering performance upgrades may solely be used on vehicles in sanctioned competition which may never be used upon a public road or highway, unless permitted by specific regulatory exemptions (such as a CARB E.O.). For state specific details please visit the following website.
    It is the responsibility of the installer and/or user of the product to ensure that it is used in compliance with all applicable laws and regulations. If a product was purchased in error, do not install and/or use it. The purchaser must arrange to return the product(s) for a full refund.
    All performance modifications and installations are at the customer’s own risk. Weistec Engineering holds no responsibility either implied or otherwise for mechanical, electrical or other failure when using any aftermarket performance products.


    WARNING: Cancer and Reproductive Harm