{"product_id":"ignition-coil-spark-plugs-for-mercedes-benz-s-class-1996-1999-6-0l","title":"Ignition Coil + Spark Plugs for Mercedes Benz S-Class (1996-1999) 6.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Replacement Ignition Coil and Spark Plug Kit for 1996-1999 Mercedes Benz S-Class 6.0L (W140 \/ M120)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Ignition Coil and Spark Plug Kit replaces deteriorated factory ignition hardware on the 1996-1999 S-Class to eliminate secondary ignition breakdown, prevent cylinder misfires, and restore balanced combustion across all 12 cylinders.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Mercedes Benz S-Class Dielectric Fatigue\u003c\/h3\u003e\n\u003cp\u003eThe 6.0-liter \u003cstrong\u003eM120\u003c\/strong\u003e V12 produces exceptional smooth output, but the compact engine bay of the \u003cstrong\u003eW140\u003c\/strong\u003e chassis subjects ignition coils to chronic thermal soak. Over time, heat cycles break down the factory epoxy resin potting and silicone plug boots, creating micro-fractures that leak secondary voltage directly to the cylinder head rather than across the plug gap. As factory spark plug electrodes erode, the widening gap increases required firing voltage, overheating older coils and causing random cylinder cutouts, rough idle harmonics, and diagnostic trouble codes under load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive 12-cylinder service kit pairs high-dielectric replacement coils with factory-specified spark plugs to re-establish proper dwell time and spark energy. The ignition coils feature premium copper windings with high thermal tolerance, sealed in reinforced epoxy housings that resist thermal degradation and internal shorting. Matched with corrosion-resistant electrodes engineered to resist fouling and gap erosion, this direct-fit set eliminates spark blowout, stabilizes secondary voltage, and maintains precise ignition timing across the entire powerband without radio frequency interference.\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;\"\u003e1996-1999 Mercedes Benz S-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;\"\u003e\n\u003cstrong\u003eM120\u003c\/strong\u003e \/ \u003cstrong\u003eW140\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;\"\u003e389 hp \/ 420 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\u003eUF795\u003c\/strong\u003e, \u003cstrong\u003e15872031594142\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\u003e1996-1999 Mercedes Benz S600 6.0L V12 (W140 Chassis, M120 Engine)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the W140 S-Class?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 1996-1999 Mercedes Benz S-Class equipped with the \u003cstrong\u003eM120\u003c\/strong\u003e 6.0L V12 engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould all 12 coils and plugs be replaced at the same time?\u003c\/strong\u003e\u003cbr\u003e Yes, replacing all 12 cylinders simultaneously prevents electrical resistance variance across the banks and ensures uniform secondary burn times.\u003c\/p\u003e\n\n\u003ch3\u003eThe Mercedes Benz Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEuropean flagship V12 powertrains demand exact electrical resistance tolerances to preserve smooth idle dynamics and avoid false catalytic misfire codes. This direct-replacement kit provides the plug-and-play reliability and factory electrical integrity needed to maintain original German engineering standards.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50625819836664,"sku":"DS-ET8A49ROJ","price":323.95,"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-s-class-1996-1999-6-0l-1.jpg?v=1790351865","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-spark-plugs-for-mercedes-benz-s-class-1996-1999-6-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}