{"product_id":"mercedestune","title":"Mercedes-Benz Tune","description":"\u003cp\u003eGet a professional Mercedes-Benz ECU tune from Viezu USA — sharper throttle response, stronger torque across the power band, and a more connected driving experience from a calibration built for your specific platform. From the turbocharged 4-cylinder C300 to the hand-built AMG 4.0L V8, Mercedes engines respond exceptionally well to professional tuning — and Viezu's calibrations are built to match the precision these vehicles were engineered with.\u003c\/p\u003e\u003cp\u003eSelect your model, engine, year, and tune type below. Your vehicle-specific add-on price will be reflected at checkout.\u003c\/p\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCustom ECU calibration built for your specific engine and platform\u003c\/li\u003e\n\u003cli\u003eUS-based technical support before, during, and after your tune\u003c\/li\u003e\n\u003cli\u003eDyno-documented results (in-house flash)\u003c\/li\u003e\n\u003cli\u003eClear communication on turnaround time and expectations\u003c\/li\u003e\n\u003cli\u003eFollow-up support if adjustments are needed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTune Types Available\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStage 1 — OBD Tune\u003c\/strong\u003e\u003cbr\u003eNo hardware modifications required. Tuned directly through the OBD port. The most accessible entry point for Mercedes platforms including C300, E300, GLC300, and the full AMG lineup. Meaningful power and torque gains without touching a single component.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStage 2 — Supporting Modifications Required\u003c\/strong\u003e\u003cbr\u003eFor vehicles running upgraded intake, exhaust, intercooler, or other hardware. Stage 2 extracts everything your modifications have to offer with a calibration built around your exact setup. Contact us before ordering to confirm your build is Stage 2 ready.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEconomy \/ MPG Tune\u003c\/strong\u003e\u003cbr\u003eOptimized for real-world fuel efficiency without sacrificing drivability. A smart option for C300, E300, and GLE owners who want more from their tank. Particularly effective on the M260\/M264 and M256 platforms.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAMG Performance Tune\u003c\/strong\u003e\u003cbr\u003ePurpose-built for AMG platforms — M177, M178, M157, and M139 engines. These calibrations are developed with AMG's engineering tolerances in mind, delivering stronger mid-range torque and higher peak output without compromising the reliability AMG owners expect. Available for C63, E63, GLC63, GLE63, G63, and AMG GT platforms.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDiesel Performance Tune\u003c\/strong\u003e\u003cbr\u003eBuilt for the Sprinter, GLE, and GLS diesel platforms. Improved torque delivery, stronger throttle response, and better pulling power — purpose-built for commercial operators and towing applications. Available for OM642 and OM656 platforms.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDiesel Economy Tune\u003c\/strong\u003e\u003cbr\u003eCalibrated for fuel efficiency on Mercedes diesel platforms. Practical for high-mileage Sprinter operators and daily drivers looking to reduce operating costs without sacrificing reliability.\u003c\/p\u003e\u003ch2\u003eDelivery Options\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHandheld Tuner — Mailed to You\u003c\/strong\u003e\u003cbr\u003eWe ship a pre-loaded handheld tuning device directly to you. Plug it into your OBD port, follow the simple instructions, and your vehicle is tuned. No shop visit required. Compatible with most Mercedes platforms.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLocal Flash — Salt Lake City, UT\u003c\/strong\u003e\u003cbr\u003eBring your vehicle to our Salt Lake City location for an in-person ECU flash. Includes a dyno pull for documentation. Best option for Stage 2 builds, AMG platforms, or vehicles requiring bench access.\u003c\/p\u003e\u003ch2\u003eSupported Platforms (2015 and newer)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eSedans, Coupes \u0026amp; Roadsters:\u003c\/strong\u003e A220, AMG GT \/ GTS \/ GTC \/ GTR, AMG GT 4-Door (GT43 \/ GT53 \/ GT63), C300, C43 AMG, C63 AMG, CLA250, CLA35 AMG, CLA45 AMG, CLS400 \/ CLS450 \/ CLS53 AMG, E300, E350, E400, E450, E43 AMG, E53 AMG, E63 AMG, S450 \/ S500 \/ S550 \/ S560 \/ S580, S63 AMG, S65 AMG, SL43 \/ SL55 AMG \/ SL63 AMG, SLC300 \/ SLC43 AMG, SLK250 \/ SLK300 \/ SLK350\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSUVs \u0026amp; Crossovers:\u003c\/strong\u003e G550, G63 AMG, GLA250, GLA35 AMG, GLA45 AMG, GLB250, GLB35 AMG, GLC300, GLC43 AMG, GLC63 AMG, GLE350 \/ GLE400 \/ GLE450, GLE53 AMG, GLE63 AMG, GLK250 \/ GLK350, GLS450 \/ GLS550 \/ GLS580, AMG GLS63\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eVans \u0026amp; Commercial:\u003c\/strong\u003e Metris, Sprinter\u003c\/p\u003e\u003cp\u003eDon't see your exact configuration? Contact us at \u003ca href=\"mailto:usa@viezu.com\"\u003eusa@viezu.com\u003c\/a\u003e before ordering and we'll confirm compatibility.\u003c\/p\u003e\u003ch2\u003eImportant Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2020+ AMG models with Bosch MG1 ECU (M139, M256, M177 in newer applications) require a bench unlock before tuning — similar to BMW post-2016. Contact us before ordering to confirm what's needed for your specific year and model. We'll give you a clear answer before you spend a dollar.\u003c\/li\u003e\n\u003cli\u003eAMG tunes are platform-specific. C63, E63, and GLC63 each have distinct calibration requirements. When in doubt, contact us first — we'll confirm the correct tune for your exact build.\u003c\/li\u003e\n\u003cli\u003eStage 2 requires a pre-order consultation. We need to know your exact build before confirming pricing and turnaround.\u003c\/li\u003e\n\u003cli\u003eSprinter operators: fleet pricing is available for multiple vehicles. Contact us at \u003ca href=\"mailto:usa@viezu.com\"\u003eusa@viezu.com\u003c\/a\u003e for volume pricing.\u003c\/li\u003e\n\u003cli\u003eEmissions compliance is your responsibility. Tuning may affect emissions output. Off-road and track use only where applicable by law.\u003c\/li\u003e\n\u003cli\u003eDon't see your engine in the list? Select \"Other — Contact Us\" and we'll follow up with compatibility and pricing.\u003c\/li\u003e\n\u003cli\u003eEQ electric vehicles are not supported via traditional ECU tuning and are not included in this product.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Viezu USA","offers":[{"title":"Mail Me a Handheld Tuner","offer_id":48887830380793,"sku":"MB-TUNE-BASE-1","price":250.0,"currency_code":"USD","in_stock":true},{"title":"In-Person (Salt Lake City Utah)","offer_id":48887830413561,"sku":"MB-TUNE-BASE-2","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/6373\/4521\/files\/5a4464d2-Training-for-WinOLS5-16.png?v=1787504498","url":"https:\/\/www.viezuusa.com\/products\/mercedestune","provider":"Viezu USA","version":"1.0","type":"link"}