{"product_id":"eccpp-ac-compressor-for-mercedes-benz-s550-cl550-quiet-cooling","title":"ECCPP AC Compressor for Mercedes-Benz S550 CL550 - Quiet Cooling","description":"\u003cp\u003eIn this review the ECCPP AC Compressor is evaluated for owners who need a direct replacement compressor for late 2000s Mercedes-Benz S550 or CL550 models. The bottom line: this unit is a complete, pre-filled \u003cstrong\u003eAC compressor with clutch\u003c\/strong\u003e that aims to restore cooling quickly and affordably for 2007-2011 S550 and 2007-2009 CL550 applications, and it is best for DIYers or independent shops that can verify pulley fit and install correctly.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect compatibility:\u003c\/strong\u003e The compressor lists the common part parameters and vehicle fits so buyers can match it to 2007-2011 Mercedes-Benz S550 and 2007-2009 CL550 applications for a straightforward replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-filled and pressure tested:\u003c\/strong\u003e The unit is pre-lubricated with 130 ml of PAG46 oil and pressure tested with nitrogen to reduce the risk of leaks on installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete assembly:\u003c\/strong\u003e The package includes the compressor and clutch, which removes the need to source separate clutch components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSturdy construction:\u003c\/strong\u003e An aluminum housing provides structural stability intended to withstand long-term automotive use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-style specifications:\u003c\/strong\u003e The 7SEU17C compressor type, 6-groove pulley and 100 mm pulley diameter mirror common OEM dimensions for the listed models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis compressor is aimed at Mercedes-Benz owners, independent mechanics, and experienced DIYers who need a cost-effective replacement for the factory A\/C compressor in 2007-2011 S550 or 2007-2009 CL550 vehicles. It is especially suitable when the original compressor has failed and the buyer can confirm the pulley count and mounting match their vehicle.\u003c\/p\u003e\u003cp\u003eBuyers who should look elsewhere include owners who want dealer-original parts with manufacturer warranty backing or anyone unable to verify pulley specifications and fitment, since some customer reports indicate occasional pulley mismatches and differing long-term reliability.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncluded clutch and pre-filled oil make installation faster for trained installers.\u003c\/li\u003e\n\u003cli\u003ePressure testing and lubrication at the factory reduces the chance of immediate leaks on first use.\u003c\/li\u003e\n\u003cli\u003eGood value for money compared with sourcing multiple components separately.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome users report mixed long-term reliability and concerns about lifespan.\u003c\/li\u003e\n\u003cli\u003eFit and pulley alignment can be inconsistent, so professional verification during purchase and installation is recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompressor Type\u003c\/td\u003e\n\u003ctd\u003e7SEU17C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOil Type\u003c\/td\u003e\n\u003ctd\u003ePAG46\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Oil Content\u003c\/td\u003e\n\u003ctd\u003e130 ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulley Grooves\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulley Diameter\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Vehicles\u003c\/td\u003e\n\u003ctd\u003e2007-2009 CL550 5.5L; 2008-2011 S550 4.7L; 2007-2011 S550 5.5L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Part Numbers\u003c\/td\u003e\n\u003ctd\u003e1111240, 4711586, 0022301211, 0022306711, 2021720\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe ECCPP AC Compressor is a practical, budget-friendly replacement that includes clutch and factory oil, making it a sensible option for owners and independent shops restoring A\/C function on compatible Mercedes-Benz models. It delivers solid short-term value, but buyers should verify pulley and mounting details and prefer professional installation to avoid fitment issues and to maximize service life.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this compressor ready to install out of the box?\u003c\/strong\u003e\u003cbr\u003eYes, it is pre-filled with 130 ml of PAG46 oil and pressure tested, though professional installation is recommended.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich vehicles does it fit?\u003c\/strong\u003e\u003cbr\u003eIt is specified for 2007-2009 CL550 5.5L, 2008-2011 S550 4.7L, and 2007-2011 S550 5.5L; confirm pulley count and mounting before purchase.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre there common issues to watch for?\u003c\/strong\u003e\u003cbr\u003eCustomers report mixed experiences with long-term durability and occasional pulley fitment differences, so check compatibility and consider a trained installer.\u003c\/p\u003e","brand":"ECCPP","offers":[{"title":"Default Title","offer_id":48253468737755,"sku":"B07QD5CBGM","price":166.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71RJGrFpzoL._AC_SL1500.jpg?v=1778225441","url":"https:\/\/gearmusthave.com\/products\/eccpp-ac-compressor-for-mercedes-benz-s550-cl550-quiet-cooling","provider":"GearMustHave","version":"1.0","type":"link"}