{"product_id":"upgraded-belt-wrap-idler-pulley-for-mercedes-benz-e-class-cls-class-cl-class-s-class-sl-class-g-class-e55-cls55-cl55-s55-sl55-g55-2003-2011-5-5l","title":"Upgraded Belt Wrap Idler Pulley for Mercedes Benz E-Class CLS-Class CL-Class S-Class SL-Class G-Class E55 CLS55 CL55 S55 SL55 G55 (2003-2011) 5.5L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty Billet Belt Wrap Idler Pulley for 2003-2011 Mercedes Benz AMG 5.5L Kompressor (W211\/W219\/C215\/W220\/R230\/W463)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 90mm Billet Belt Wrap Idler Pulley replaces worn or failure-prone auxiliary idlers on aftermarket belt-wrap systems for supercharged \u003cstrong\u003eM113K\u003c\/strong\u003e engines, preventing supercharger belt slip and maintaining consistent boost under high load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Mercedes Benz AMG Belt Drive Deficiencies\u003c\/h3\u003e\n\u003cp\u003eUnder aggressive acceleration and high RPM shifts, the factory serpentine drive on the supercharged \u003cstrong\u003eM113K\u003c\/strong\u003e 5.5L Kompressor experiences significant belt slip at the supercharger snout. While auxiliary belt wrap kits solve this by increasing surface contact around the drive pulley, standard replacement composite or stamped steel idlers often flex under sustained lateral tension. Furthermore, low-grade bearings in budget replacement idlers quickly suffer from thermal breakdown, grease starvation, and catastrophic bearing seizure due to the extreme rotational speeds generated by modified crank or supercharger pulleys.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eMachined from aerospace-grade 6061-T6 billet aluminum, this 90mm heavy-duty idler eliminates pulley deflection and runout entirely. Fitted with high-precision, double-sealed \u003cstrong\u003eNachi\u003c\/strong\u003e bearings engineered for continuous high-RPM thermal cycles, it drastically reduces rotational friction and parasitic drag across the accessory drive. The hard-anodized surface finish resists micro-abrasions from high-grip serpentine belts, ensuring maximum contact stability and prolonged belt life on high-boost applications.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x 90mm Billet Belt-Wrap Idler Pulley with pre-pressed Nachi bearings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2003-2011 Mercedes Benz E55, CLS55, CL55, S55, SL55, G55 AMG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eM113K 5.5L Supercharged V8 \/ W211, W219, C215, W220, R230, W463\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e469-510 hp \/ 516 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eN\/A (Aftermarket Belt-Wrap Kit Replacement)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2003-2008 Mercedes Benz E-Class E55 AMG 5.5L (W211)\u003c\/li\u003e\n  \u003cli\u003e2003-2008 Mercedes Benz CLS-Class CLS55 AMG 5.5L (W219)\u003c\/li\u003e\n  \u003cli\u003e2003-2008 Mercedes Benz CL-Class CL55 AMG 5.5L (C215)\u003c\/li\u003e\n  \u003cli\u003e2003-2008 Mercedes Benz S-Class S55 AMG 5.5L (W220)\u003c\/li\u003e\n  \u003cli\u003e2003-2008 Mercedes Benz SL-Class SL55 AMG 5.5L (R230)\u003c\/li\u003e\n  \u003cli\u003e2005-2011 Mercedes Benz G-Class G55 AMG 5.5L (W463)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the W211, W219, C215, W220, R230, and W463 E-Class, CLS-Class, CL-Class, S-Class, SL-Class, G-Class?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit replacement pulley for aftermarket belt-wrap kits installed on 2003-2011 Mercedes Benz AMG models equipped with the supercharged \u003cstrong\u003eM113K\u003c\/strong\u003e 5.5L V8; it does not fit naturally aspirated 5.5L M113 or M273 engines.\u003c\/p\u003e\n\n\u003ch4\u003eIs this a complete belt-wrap kit?\u003c\/h4\u003e\n\u003cp\u003eNo, this is a single 90mm replacement idler pulley intended specifically for existing aftermarket belt-wrap bracket assemblies and does not include the mounting bracket or belt.\u003c\/p\u003e\n\n\u003ch3\u003eThe Mercedes Benz AMG Caliber\u003c\/h3\u003e\n\u003cp\u003eBuilt to handle the immense low-end torque of supercharged Handcrafted AMG powerplants, this CNC-machined component delivers track-ready durability, zero bearing runout, and reliable boost retention without compromising factory drivability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67558907969784,"sku":"DS-ER0ICX65M","price":130.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/upgraded-belt-wrap-idler-pulley-for-mercedes-benz-e-class-cls-class-cl-class-s-class-sl-class-g-class-e55-cls55-cl55-s55-sl55-g55-2003-2011-5-5l-1.jpg?v=1790925787","url":"https:\/\/performancechiptuning.com\/fr\/products\/upgraded-belt-wrap-idler-pulley-for-mercedes-benz-e-class-cls-class-cl-class-s-class-sl-class-g-class-e55-cls55-cl55-s55-sl55-g55-2003-2011-5-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}