{"product_id":"ignition-coil-and-iridium-spark-plugs-for-mercedes-benz-c-class-2006-2011-3-5l","title":"Ignition Coil and Iridium Spark Plugs for Mercedes Benz C-Class (2006-2011) 3.5L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2006-2011 Mercedes Benz C-Class\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eRestores peak secondary ignition voltage and combustion stability to eliminate engine misfires and rough idle across all operating temperatures.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock C-Class Coil Insulation Degradation\u003c\/h3\u003e\n\u003cp\u003eThe M272 3.5L V6 engine mounts its coil-on-plug units directly above the cylinder heads, exposing them to continuous thermal cycling and deep engine-bay heat soak. Over extended mileage, the factory resin potting becomes brittle and micro-fractures, allowing high-voltage arc leakage and internal winding insulation breakdown. This leads to weakened spark energy, intermittent P0300-P0306 misfire codes, carbon tracking on the ceramic insulator boots, and unburnt fuel fouling the catalytic converters.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive ignition service kit utilizes direct-fit ignition coils manufactured with high-grade copper windings and vacuum-infused, high-dielectric epoxy potting to resist thermal fatigue and dielectric breakdown. Paired with fine-wire iridium spark plugs, the assembly lowers the required ignition voltage while minimizing spark quenching. The result is instantaneous cold starting, stable idle dynamics, and complete combustion burn across high-RPM load conditions.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2006-2011 Mercedes Benz C-Class 3.5L V6\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eM272 \/ W203, W204\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e268 hp \/ 258 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eUF535, 5C1748, C1691, E1085, IC615, IC665, 0001501980, 0001502680, 0001502780, 2729060060\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2006-2007 Mercedes-Benz C350 (W203) 3.5L V6 (M272.960)\u003c\/li\u003e\n  \u003cli\u003e2008-2011 Mercedes-Benz C350 \/ C350 4MATIC (W204) 3.5L V6 (M272.961 \/ M272.971)\u003c\/li\u003e\n  \u003cli\u003eInterchange Part Numbers: UF535, 5C1748, C1691, E1085, IC615, IC665, 0001501980, 0001502680, 0001502780, 2729060060\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Mercedes Benz Precision Caliber\u003c\/h3\u003e\n\u003cp\u003eBuilt to factory Bosch and ME9 engine management impedance specifications, ensuring full ECU synchronization, precise dwell timing, and immediate OBD-II readiness with zero Check Engine lights.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50449152639224,"sku":"DS-EK1OWQPO8","price":110.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-and-iridium-spark-plugs-for-mercedes-benz-c-class-2006-2011-3-5l-1.jpg?v=1788668036","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-and-iridium-spark-plugs-for-mercedes-benz-c-class-2006-2011-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}