{"product_id":"performance-water-pump-kit-for-mercedes-benz-e-class-2012-2016-3-5l","title":"Performance Water Pump Kit for Mercedes Benz E-Class (2012-2016) 3.5L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eComplete Cooling System \u0026amp; Accessory Drive Overhaul Kit for 2012-2016 Mercedes Benz E-Class (W212)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Water Pump Kit replaces worn mechanical cooling and front-end drive components on the 2012-2016 Mercedes Benz E-Class to prevent overheating, bearing seizure, and catastrophic coolant loss.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Mercedes Benz E-Class Thermal Fatigue Problem\u003c\/h3\u003e\n\u003cp\u003eThe factory cooling and accessory drive assembly on the \u003cstrong\u003eW212\u003c\/strong\u003e platform equipped with the naturally aspirated \u003cstrong\u003eM276\u003c\/strong\u003e 3.5L engine suffers from mechanical seal degradation, composite housing fatigue, and pulley bearing wear past 80,000 miles. Sustained engine bay heat soak hardens internal water pump shaft seals and causes micro-cracking in the composite thermostat housing, leading to slow coolant seepage down the front timing cover. Simultaneously, the factory belt tensioner loses spring rate while idler bearings run dry, inducing belt slip, abnormal harmonic vibration, and belt failure.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis refresh package resolves front-engine accessory wear by renewing all interdependent wear items at once. The mechanical water pump utilizes precision-cast aluminum construction matched with heavy-duty unitized shaft bearings and chemical-resistant mechanical seals to resist high-RPM cavitation and internal erosion. Accompanied by a pre-assembled direct-fit thermostat housing, a calibrated spring-damped belt tensioner, a hardened idler pulley, and heavy-duty EPDM serpentine belts, this system restores OE flow dynamics and dependable accessory drive alignment under full thermal load.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Mechanical Water Pump Assembly\u003c\/li\u003e\n  \u003cli\u003e1 Water Pump Gasket\u003c\/li\u003e\n  \u003cli\u003e1 Engine Coolant Thermostat Housing Assembly with Thermostat\u003c\/li\u003e\n  \u003cli\u003e1 Serpentine Belt Tensioner Assembly\u003c\/li\u003e\n  \u003cli\u003e1 Idler Pulley with Mounting Hardware\u003c\/li\u003e\n  \u003cli\u003e2 Serpentine Drive Belts\u003c\/li\u003e\n  \u003cli\u003e1 O-Ring\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;\"\u003e2012-2016 Mercedes Benz E-Class\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;\"\u003eM276 \/ W212\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;\"\u003e302 hp \/ 273 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;\"\u003e2762001301, 276200130180, 276200130187, US8173, 147-2360\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\u003eMercedes Benz E-Class 3.5L V6 Gas Naturally Aspirated (E350) — 2012-2016\u003c\/li\u003e\n  \u003cli\u003eMercedes Benz E-Class 3.5L V6 Flex Fuel Naturally Aspirated (E350) — 2012-2016\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 W212 E-Class?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2012-2016 Mercedes Benz E-Class equipped with the \u003cstrong\u003eM276\u003c\/strong\u003e 3.5L V6 naturally aspirated engine. \u003cstrong\u003eAlways verify year, model, and engine against your vehicle before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to bleed the cooling circuit after installation?\u003c\/h4\u003e\n\u003cp\u003eYes, a standard vacuum-fill or thorough coolant bleeding procedure is required to purge trapped air pockets from the engine block and heater core passages.\u003c\/p\u003e\n\n\u003ch3\u003eThe Mercedes Benz Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEuropean direct-injected powertrains operate at elevated thermal benchmarks where tight tolerances, precise belt tracking, and zero cooling system variance are mandatory to prevent diagnostic trouble codes and accessory drive damage.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67923726795000,"sku":"DS-ECKC9JSIV","price":174.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-water-pump-kit-for-mercedes-benz-e-class-2012-2016-3-5l-1.jpg?v=1793568972","url":"https:\/\/performancechiptuning.com\/es\/products\/performance-water-pump-kit-for-mercedes-benz-e-class-2012-2016-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}