{"product_id":"mercedes-w221-s550-cl550-ism-gearbox-transmission-control-unit-tcu","title":"Mercedes W221 S550 CL550 ISM Gearbox Transmission Control Unit TCU","description":"\u003cp\u003e\u003cstrong\u003eMercedes W221 S550 \/ CL550 ISM Gearbox Transmission Control Unit (TCU)\u003c\/strong\u003e — OEM replacement control module for 2006-2013 Mercedes-Benz S-Class and CL-Class models with ISM 7-speed automatic transmission.\u003c\/p\u003e\n\n\u003cp\u003eKey specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect fit for W221 S550 and CL550 models\u003c\/li\u003e\n\u003cli\u003eManages transmission shift timing and torque converter operation\u003c\/li\u003e\n\u003cli\u003eIntegrates with ISM 7-speed automatic gearbox\u003c\/li\u003e\n\u003cli\u003eOEM-quality electronics and durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis TCU regulates transmission performance and fuel efficiency — a critical component if your vehicle experiences delayed shifts, transmission slipping, or error codes.\u003c\/p\u003e","brand":"eBay Import","offers":[{"title":"Default Title","offer_id":45517313245286,"sku":null,"price":433.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/4630\/9734\/files\/s-l100_c9d24296-f8e1-4d9c-aea9-96151359ba36.jpg?v=1776417165","url":"https:\/\/findmypart.shop\/products\/mercedes-w221-s550-cl550-ism-gearbox-transmission-control-unit-tcu","provider":"Find My Part","version":"1.0","type":"link"}