{"product_id":"m256-ecu-tune","title":"M256 ECU Tune","description":"\u003cp\u003eMercedes Benz AMG ECU tuning and calibration specialists. M256 Performance ECU Tune for CLS450 GT43 GLE450 S500 E53 CLS53 GT53 AMG Vehicles. W213 C257 X290 W222 W222\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine family:\u003c\/strong\u003e M256\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e +43 HP, +90 TQ, Weistec 540 hp, 566 lb-ft, stock 497 hp, stock 476 lb-ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 05-256-00117-7\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCLE53 AMG Convertible (A236) 2025-2026\u003c\/li\u003e\n\u003cli\u003eCLE53 AMG Coupe (C236) 2024-2026\u003c\/li\u003e\n\u003cli\u003eGLE53 AMG Coupe (C167) 2019-2026\u003c\/li\u003e\n\u003cli\u003eGLE53 AMG 4MATIC (V167) 2019-2026\u003c\/li\u003e\n\u003cli\u003eGLS450 Base (X167) 2020-2023\u003c\/li\u003e\n\u003cli\u003eCLS53 AMG 4MATIC (C257) 2018-2021 (+12 more applications)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eSold by Dyne Performance USA, an authorized dealer. Contact \u003ca href=\"mailto:sales@dyneperformance.us\"\u003esales@dyneperformance.us\u003c\/a\u003e for fitment confirmation, lead time, or installation.\u003c\/em\u003e\u003c\/p\u003e","brand":"Weistec","offers":[{"title":"Default","offer_id":56529957159052,"sku":"05-256-00117-7","price":1899.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/dyneperformance.us\/products\/m256-ecu-tune","provider":"Dyne Performance USA ","version":"1.0","type":"link"}