Ignition Coil & Iridium Spark Plugs for Mercedes-Benz E350 (2011) 3.0L V6

High-Output Ignition Coil & Iridium Spark Plugs for Mercedes Benz E-Class

Direct replacement ignition system upgrade designed to eliminate misfires and restore combustion efficiency. This comprehensive kit replaces aging factory coils and worn plugs to deliver consistent spark voltage, reducing hesitation and stabilizing the idle dynamics of your V6 engine.

The Stock E-Class Thermal Degradation Issue

Over time and mileage, the factory Mercedes-Benz M272 ignition coils are highly susceptible to thermal degradation and internal resistance breakdown. Sitting directly above the exhaust manifolds and secured to the valve covers, these original equipment units endure constant heat soak from the 3.0L block. This continuous thermal stress causes the internal epoxy potting and copper primary windings to micro-fracture. As the insulation degrades, voltage leaks occur, resulting in sluggish throttle response, unburnt fuel, and dreaded random cylinder misfires. Concurrently, standard spark plugs erode at the electrode, increasing the necessary spark gap. This demands exponentially higher voltage from an already weakened coil pack, ultimately triggering a Check Engine Light (CEL) and creating poor drivability.

The Engineering Solution

This upgraded ignition package engineers out the factory thermal weaknesses by utilizing reinforced, OE+ durability ignition coils constructed with high-grade, heat-resistant copper wiring and advanced epoxy potting. The superior dielectric insulation prevents voltage leakage and maintains consistent high-energy output even under extreme engine bay temperatures. Paired with advanced iridium-tipped spark plugs, which offer a verified 15% increase in energy transfer over standard copper or platinum variants, this kit ensures an intensely focused spark. The ultra-fine iridium center electrode significantly lowers the necessary firing voltage while heavily resisting spark erosion. This translates to complete cylinder combustion, immediate throttle pickup, and stable idle dynamics without the risk of premature component failure.

Technical Specifications

Compatibility

• 2011 Mercedes-Benz E-Class 3.0L V6 (E300 / E350 regional variants)
• Cross-Reference OEM Numbers: 0001501980, 0001502680, 0001502780, 07C905, 07C905115
• Cross-Reference Aftermarket Numbers: UF535, UF-535, 5C1748, C1691, E1085, IC615, IC665

The Mercedes Benz Precision Standard

European luxury engines demand precise sensor data and flawless electrical continuity to operate at peak efficiency. This high-output ignition package ensures your ECU receives accurate diagnostic feedback, guaranteeing no-CEL reliability, smooth autobahn cruising, and the refined V6 power delivery expected from the W212 chassis.