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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 IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES

    Unless otherwise stated, some Weistec Engineering performance upgrades are sold for race car use only.