{"product_id":"ignition-coil-and-iridium-spark-plugs-for-mercedes-benz-gla250-2015-2020-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Mercedes-Benz GLA250 (2015-2020) 2.0L","description":"\u003ch2\u003eDirect-Replacement Ignition Coil and Iridium Spark Plug Kit for 2015-2020 Mercedes-Benz GLA250\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The ignition coil and iridium spark plug kit replaces worn factory ignition components on the 2015-2020 Mercedes-Benz GLA250 to eliminate high-load misfires, restore flame kernel propagation, and stabilize idle across all cylinders.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Mercedes-Benz GLA250 Ignition System Vulnerabilities\u003c\/h3\u003e\n\u003cp\u003eThe turbocharged 2.0L inline-4 engine in the \u003cstrong\u003eX156\u003c\/strong\u003e chassis subjects ignition components to intense thermal cycling and elevated cylinder pressures. Over time, factory pencil coils suffer dielectric breakdown as the internal epoxy degrades, resulting in secondary winding voltage leakage and micro-arcing. Simultaneously, stock spark plug electrodes widen from high-boost spark erosion, increasing the required firing voltage. This compounded electrical resistance strains the coil packs, triggering partial quench conditions, low-RPM hesitation, erratic idle, and diagnostic trouble codes such as \u003cstrong\u003eP0300\u003c\/strong\u003e through \u003cstrong\u003eP0304\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-fit overhaul kit provides four high-output pencil ignition coils paired with fine-wire iridium spark plugs to restore baseline combustion efficiency. The ignition coils feature high-temperature silicone spark plug boots and premium dielectric epoxy to isolate high secondary voltage and prevent flashover. Internally, reinforced copper windings provide rapid saturation and high spark energy across the entire rev range. The included spark plugs feature laser-welded fine-wire iridium center electrodes and high-alumina ceramic insulators, ensuring maximum resistance to fouling and spark blowout under peak boost. This kit directly interchanges with OEM part numbers \u003cstrong\u003e2749060700\u003c\/strong\u003e, \u003cstrong\u003e2749061400\u003c\/strong\u003e, \u003cstrong\u003eUF734\u003c\/strong\u003e, and \u003cstrong\u003eUF820\u003c\/strong\u003e under MPN \u003cstrong\u003eKIN134649TOP\u003c\/strong\u003e.\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; margin-bottom: 20px;\"\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;\"\u003e2015-2020 Mercedes-Benz GLA250\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\u003eM270\u003c\/strong\u003e 2.0L Turbo \/ \u003cstrong\u003eX156\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;\"\u003e208 hp \/ 258 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;\"\u003e2749060700, 2749061400, UF734, UF820\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2015-2020 Mercedes-Benz GLA250 Base Front-Wheel Drive 2.0L L4 (M270)\u003c\/li\u003e\n  \u003cli\u003e2015-2020 Mercedes-Benz GLA250 4Matic All-Wheel Drive 2.0L L4 (M270)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the X156 GLA250?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2015-2020 Mercedes-Benz GLA250 equipped with the \u003cstrong\u003eM270\u003c\/strong\u003e engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo these iridium spark plugs require manual gapping prior to installation?\u003c\/strong\u003e\u003cbr\u003e No, these plugs arrive factory pre-gapped for direct application, and manual gapping risks fracturing the fine-wire iridium electrode.\u003c\/p\u003e\n\n\u003ch3\u003eThe Mercedes-Benz Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEuropean direct-injected powertrains demand tight electrical tolerances to maintain accurate closed-loop ECU feedback. Matching OE primary and secondary resistance values ensures flawless communication with the engine control unit, preventing false misfire detections and catalytic converter damage while delivering zero-CEL reliability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50594026291448,"sku":"DS-EWI170BL8","price":131.95,"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-gla250-2015-2020-2-0l-1.jpg?v=1790056125","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-mercedes-benz-gla250-2015-2020-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}