Ignition Coil & Iridium Spark Plugs for Mercedes-Benz ML450 (2010-2011) 3.5L V6

High-Performance Ignition Coil & Iridium Spark Plugs for 2010-2011 Mercedes Benz M-Class

Direct OE replacement ignition kit: Restores factory ignition timing and eliminates misfires by upgrading the aging factory ignition coils and spark plugs on the M272 3.5L V6.

The Stock M-Class Ignition Weakness

The W164 Mercedes-Benz M-Class equipped with the M272 3.5L V6 relies on precise spark delivery to maintain its complex variable valve timing and efficiency targets. Over time, the OEM ignition coils suffer from severe heat soak within the engine bay, leading to thermal degradation of the internal epoxy and secondary windings. This degradation increases electrical resistance, causing weak spark output, intermittent cylinder misfires, and rough idling. Simultaneously, standard factory spark plugs experience gap erosion over thousands of miles. This combined wear forces the ECU to pull timing, severely compromising throttle response, increasing unburned fuel emissions, and triggering persistent P0300-series check engine light (CEL) diagnostic trouble codes.

The Engineering Solution

This comprehensive ignition service kit resolves thermal breakdown by utilizing high-performance ignition coils engineered with durable copper wire internals and an upgraded dielectric epoxy potting. This construction significantly reduces internal resistance and effectively dissipates localized heat, ensuring a consistent, high-voltage output even under sustained engine loads. Paired with six premium iridium spark plugs, the kit guarantees a highly concentrated spark event. Iridium's exceptional hardness minimizes gap expansion over the lifespan of the plug, promoting complete combustion. This synergetic upgrade yields up to a 15% improvement in combustion energy efficiency, stabilizing the idle, restoring lost horsepower, and preventing future ignition-related drivability issues.

Technical Specifications

Compatibility

• 2010 Mercedes-Benz ML450 3.5L V6
• 2011 Mercedes-Benz ML450 3.5L V6

The Mercedes Benz Precision Standard

Engineered to meet the stringent electrical demands of European CAN bus diagnostic systems, this ignition kit guarantees proper resistance values to prevent false check engine lights, ensuring seamless integration and peak engine efficiency.