{"product_id":"kay-tuning-mercedes-amg-m177-m178-4-0l-biturbo-ecu-tcu-tune","title":"KAY Tuning Mercedes-AMG M177\/M178 4.0L Biturbo ECU \u0026 TCU Tune","description":"\u003ch1\u003e\u003cspan\u003eKAY Tuning M177\/M178 ECU \u0026amp; TCU Tuning License\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch3\u003e\u003cspan\u003eComes with one dongle\u003cbr\u003eMercedes-AMG Tuning, Straight From Your Phone.\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUnlock the full potential of your Mercedes-AMG M177\/M178 4.0L Biturbo with KAY Tuning.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlash your ECU and TCU directly from your phone, at home. Every license includes Stage 1 and Stage 2 ECU tunes with multiple fuel maps, TCU tuning, KAY Ultra, and access to advanced diagnostics and logging features.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo shop visits. No expensive flashing equipment. Just your AMG and your phone.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat's Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStage 1 \u0026amp; Stage 2 ECU Tunes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Both stages included with all available supported octane and fuel-specific calibrations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTCU Tuning\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Transmission tuning included with your license.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eKAY Ultra\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Map switching, flex fuel, and anti-lag.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMultiple Fuel Maps\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Choose between KAY's included calibrations for different supported fuels.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFlash to Stock\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Return your ECU to its supported stock calibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eData Logging\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Monitor and record vehicle performance data.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRead \u0026amp; Clear DTCs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Access vehicle diagnostics directly from your phone.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCustom Tune Flashing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Flash compatible custom tunes from your preferred tuner.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eiOS \u0026amp; Android Support\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — Tune directly through the KAY mobile app.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOptional Add-On: CPC Tuning\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eStage 1 \u0026amp; Stage 2 — All Supported Fuel Maps Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eEvery KAY Tuning license includes both Stage 1 and Stage 2 ECU tunes, along with our available calibrations for different supported fuel types and octane ratings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStage 1\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for vehicles with factory hardware, delivering improved horsepower, torque, and throttle response.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStage 2\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for vehicles equipped with supporting performance modifications, providing additional performance potential.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMultiple Fuel Maps\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYour license includes KAY's available fuel-specific calibrations for both stages, including supported pump gas octane ratings and ethanol blends.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSelect the calibration that matches your vehicle's setup and the fuel you're running.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo additional licenses or charges to access Stage 2 or our included fuel maps.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKAY Ultra — Advanced Features Suite\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eKAY Ultra comes standard with every license, giving you access to advanced tuning capabilities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMap Switching\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSwitch between compatible performance maps for different driving conditions, fuels, or setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFlex Fuel\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSupport for compatible flex fuel configurations, allowing calibrations to accommodate changing ethanol content when the required hardware and software are supported.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAnti-Lag\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdvanced turbo response functionality for supported performance applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eKAY Ultra features are included with your license. Individual feature availability depends on vehicle compatibility, calibration, and supporting hardware.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eYour Tuner. Your Tunes.\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAlready working with a tuner you trust? Keep them.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKAY Tuning isn't limited to our included off-the-shelf calibrations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlash compatible custom tune files from your favorite tuner directly through the KAY app, without having to visit their shop every time you need an update.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're running our included Stage 1 and Stage 2 tunes or a custom calibration built specifically for your setup, KAY gives you the flexibility to choose.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFlash to Stock\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eReturn your ECU to its supported stock calibration directly from your phone whenever needed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo additional flashing equipment or shop appointment required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eData Logging\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eRecord and review important vehicle performance data directly through the KAY platform.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMonitor your vehicle's performance, review logs, and share recorded data with your tuner to help evaluate your setup and make adjustments.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRead \u0026amp; Clear Diagnostic Trouble Codes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eAccess supported vehicle diagnostics directly from your phone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRead diagnostic trouble codes (DTCs)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eClear supported fault codes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIdentify potential vehicle issues\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCheck faults after modifications or tuning changes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAll within the KAY Tuning app.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eECU \u0026amp; TCU Tuning Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eOne license gives you access to both engine and transmission tuning for supported vehicles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eECU Tuning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Engine performance, boost control, throttle response, and power delivery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTCU Tuning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Transmission calibrations designed to complement your engine tune and improve transmission performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOptional CPC Tuning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Available separately for supported vehicles requiring additional CPC calibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eHow It Works\u003c\/span\u003e\u003c\/h2\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePurchase your KAY Tuning license and compatible dongle.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDownload the KAY Tuning app for iOS or Android.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConnect the dongle to your vehicle's OBD port.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChoose your Stage 1, Stage 2, or compatible custom tune and select the appropriate available fuel calibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFlash your AMG directly from your phone.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eM177 — 4.0L Biturbo V8\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMercedes-AMG C63 \/ C63 S (W205)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMercedes-AMG E63 \/ E63 S (W213)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMercedes-AMG GLC63 \/ GLC63 S (X253 \/ C253)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMercedes-AMG G63 (W463A)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMercedes-AMG S63 (W222 \/ C217 \/ A217)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMercedes-AMG GLE63 \/ GLE63 S (W167)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMercedes-AMG GLS63 (X167)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMercedes-AMG GT63 \/ GT63 S 4-Door (X290)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eM178 — 4.0L Biturbo V8\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMercedes-AMG GT\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMercedes-AMG GT S\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMercedes-AMG GT C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMercedes-AMG GT R\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMercedes-AMG GT R Pro\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMercedes-AMG GT Black Series\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompatibility Notice:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Listed vehicles are M177\/M178 engine applications. ECU and TCU flashing availability, supported fuel maps, diagnostics, and advanced features depend on model year, software version, and vehicle configuration. Verify compatibility before purchase. Stage 2 and certain advanced features require appropriate supporting hardware. Flashing to stock does not necessarily restore an ECU's original lock status or erase programming history.\u003c\/span\u003e\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":49253161140321,"sku":null,"price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/4348\/5537\/files\/kay-2026-m177-cover_c4ef7c8a-ea0c-4ba3-9fbf-2cb5505fd7f3.png?v=1791849642","url":"https:\/\/kaytuning.com\/products\/kay-tuning-mercedes-amg-m177-m178-4-0l-biturbo-ecu-tcu-tune","provider":"Kay tuning","version":"1.0","type":"link"}