{"product_id":"kay-tuning-mercedes-benz-m276-3-0l-3-5l-v6-ecu-tcu-tune","title":"KAY Tuning Mercedes-Benz M276 3.0L \/ 3.5L V6 ECU \u0026 TCU Tune","description":"\u003ch2\u003eM276 ECU \u0026amp; TCU Tuning\u003c\/h2\u003e\u003cp\u003eTune your compatible Mercedes-Benz or Mercedes-AMG equipped with the M276 engine from your phone using the KAY app and included tuning dongle.\u003c\/p\u003e\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStage 1 and Stage 2 ECU calibration options where supported\u003c\/li\u003e\n\u003cli\u003eTCU tuning where supported\u003c\/li\u003e\n\u003cli\u003eKAY Ultra features: map switching, flex fuel and anti-lag where supported\u003c\/li\u003e\n\u003cli\u003eKAY tuning dongle included\u003c\/li\u003e\n\u003cli\u003ePhone-based flashing via compatible iOS\/Android device\u003c\/li\u003e\n\u003cli\u003eAbility to flash compatible custom tunes supplied by an independent tuner\u003c\/li\u003e\n\u003cli\u003eSupported data logging, diagnostics and flash-to-stock functions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eM276 includes turbocharged and naturally aspirated variants with different ECUs and calibrations. Exact engine version and supported ECU\/TCU must be confirmed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eECU and TCU tuning availability and individual features depend on the vehicle and control units.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eRequired supporting modifications, software permissions and hardware vary by calibration. Confirm your exact vehicle's support before purchase.\u003c\/p\u003e","brand":"KAY Tuning","offers":[{"title":"Default Title","offer_id":49253740839009,"sku":"KAY-M276-ECUTCU","price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/4348\/5537\/files\/kay-2026-m276-cover_6c880b09-fcb3-4a12-8d2e-8a8153c64aae.png?v=1791849646","url":"https:\/\/kaytuning.com\/products\/kay-tuning-mercedes-benz-m276-3-0l-3-5l-v6-ecu-tcu-tune","provider":"Kay tuning","version":"1.0","type":"link"}