{"product_id":"ignition-coil-spark-plugs-for-mercedes-benz-e-class-1997-3-2l","title":"Ignition Coil + Spark Plugs for Mercedes Benz E-Class (1997) 3.2L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eOEM-Spec Ignition Coil and Spark Plug Tune-Up Kit for Mercedes Benz E-Class (W210)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The ignition coil and spark plug kit replaces aged secondary ignition components on the 1997 Mercedes Benz E-Class to resolve high-load misfires, eliminate secondary voltage breakdown, and restore factory ignition timing accuracy.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Mercedes Benz E-Class Secondary Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe 3.2L inline-6 in the 1997 \u003cstrong\u003eW210\u003c\/strong\u003e mounts three waste-spark coils directly over spark plug wells inside the hot cam cover channel. Operating in this trapped thermal environment accelerates insulation breakdown. Over time, engine thermal cycling causes microscopic fractures in the factory epoxy casing and degrades internal primary and secondary copper winding insulation. This dielectric fatigue leads to high-voltage arching, carbon tracking down the boots, and coil output drop-off. Concurrently, aged spark plugs exhibit eroded ground electrodes and enlarged gaps, demanding higher firing voltage that overstresses the deteriorating coil windings, causing rough idle, hesitation, and cylinder misfire codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis replacement kit resolves ignition failure by matching OEM secondary electrical specs. The coils are engineered with high-dielectric epoxy potting and high-temp PBT thermoplastic housings to resist thermal breakdown and oil contamination inside the valve cover gallery. Precision-wound copper primary and secondary windings paired with laminated silicon steel magnetic cores deliver consistent secondary kilovolt output under sustained combustion load. Matched with precise pre-gapped spark plugs featuring wear-resistant nickel-alloy construction and corrugated ceramic ribs to eliminate flashover, this package restores instantaneous flame kernel propagation and smooth power delivery across all six cylinders.\u003c\/p\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;\"\u003e1997 Mercedes Benz E-Class (E320)\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;\"\u003e\n\u003cstrong\u003eM104\u003c\/strong\u003e (3.2L DOHC I6) \/ \u003cstrong\u003eW210\u003c\/strong\u003e\n\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;\"\u003e217 hp \/ 232 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;\"\u003e\n\u003cstrong\u003e0221506444\u003c\/strong\u003e, \u003cstrong\u003eUF-137\u003c\/strong\u003e, \u003cstrong\u003e12736\u003c\/strong\u003e, \u003cstrong\u003eC1213\u003c\/strong\u003e, \u003cstrong\u003e880047\u003c\/strong\u003e, \u003cstrong\u003e133813\u003c\/strong\u003e, \u003cstrong\u003e22058\u003c\/strong\u003e\n\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\u003e1997 Mercedes Benz E320 Base Sedan 3.2L L6 Gas (W210, M104.995)\u003c\/li\u003e\n  \u003cli\u003e1997 Mercedes Benz E320 Base Wagon 3.2L L6 Gas (S210, M104.995)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the W210 E-Class?\u003c\/h4\u003e\n\u003cp\u003eYes, this kit is specifically designed for the 1997 model year \u003cstrong\u003eW210\u003c\/strong\u003e E-Class equipped with the 3.2L \u003cstrong\u003eM104\u003c\/strong\u003e inline-6 engine using a 3-coil waste-spark layout.\u003c\/p\u003e\n\n\u003ch4\u003eDoes this kit fit the 1998 or newer 3.2L E320?\u003c\/h4\u003e\n\u003cp\u003eNo, 1998 and newer models use the \u003cstrong\u003eM112\u003c\/strong\u003e 3.2L V6 with a dual-spark plug-per-cylinder setup and completely different coil packs.\u003c\/p\u003e\n\n\u003ch3\u003eThe Mercedes Benz Precision Standard\u003c\/h3\u003e\n\u003cp\u003eGerman inline-six engines rely on balanced dwell times and consistent spark duration to maintain smooth idle quality and low HC emissions. Installing a matched coil-and-plug set restores balance across paired waste-spark cylinders, ensuring factory-level drivability and zero check-engine warnings.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67524647158008,"sku":"DS-E5CZWU5TH","price":90.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-spark-plugs-for-mercedes-benz-e-class-1997-3-2l-1.jpg?v=1790461407","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-spark-plugs-for-mercedes-benz-e-class-1997-3-2l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}