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    M159 SLS TCU Upgrade

    sku:01-159-00903-8

    Availability: In stock

    $1,990.00

    M159 SLS TCU Upgrade

    Greatly Improved Shifting

    The Weistec Engineering SLS TCU Upgrade for the SLS, SLS Roadster, and SLS GT will match your transmission’s performance to that of the SLS Black Series.  Shifting up and down in gears will be quicker and firmer.  The improved shifting also allows for greater torque capacity which is ideal for modified vehicles that make significantly more power than stock.

    Tuning Process: How do I get my ECU/TCU tuned?

    Key Features:

    • Faster Shifting

    • Firmer Shifting

    • Improved Street and Track Performance

    • Increased Torque Capacity

    PDF Fileweistec_w197_sls_roadster_tcu_removal_manual (238.4 KB)Download
    PDF Fileweistec_w197_sls_tcu_removal_manual (302.2 KB)Download

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    NOT LEGAL FOR SALE OR USE ON POLLUTION CONTROLLED MOTOR VEHICLES

    Weistec Engineering performance upgrades may be used solely on vehicles used in sanctioned competition which may never be used upon a public road or highway, unless permitted by specific regulatory exemptions. For state specific details please visit the following website. http://www.semasan.com/emissions
    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.
    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.
    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.