Denso 673-9201 Direct Ignition Coil

Reliable Ignition Performance for Mercedes-Benz Vehicles

The Denso 673-9201 Direct Ignition Coil is designed to deliver consistent 12-volt ignition power for a range of Mercedes-Benz models. Engineered to meet OEM specifications, this black ignition coil ensures efficient spark delivery and reliable engine performance.

• Direct Ignition Coil with 12-volt operation
• Compatible with multiple Mercedes-Benz models including C230, E350, GL450, and SL550
• Durable black housing for heat resistance and longevity
• Part number 673-9201 for precise fit and function
• Part of the Denso Coil on Plug product line for optimized ignition system integration

About the Denso Coil on Plug Product Line

The Denso Coil on Plug line features ignition coils designed to mount directly on the spark plug, eliminating the need for spark plug wires. This design improves ignition efficiency and reduces energy loss, which is critical for maintaining engine performance in modern Mercedes-Benz vehicles. The 673-9201 coil benefits from this technology, providing a direct and reliable spark for smooth engine operation.

Product Details and Specifications

This ignition coil operates at 12 volts and comes in a black color housing, engineered to withstand the heat and vibration typical in engine compartments. The direct ignition coil design ensures a secure connection to the spark plug, reducing misfires and improving fuel combustion. Compatible with a wide range of Mercedes-Benz models such as the C230, C280, C300, C350, CL550, CLK350, CLK550, CLS550, E350, E550, G550, GL450, GL550, GLK350, ML350, ML450, ML550, R350, S400, S550, SL550, SLK280, SLK300, and SLK350, this coil is a precise replacement part for maintaining ignition system integrity.

Common Applications and Problem Resolution

• Replaces faulty ignition coils causing engine misfires
• Restores proper spark delivery to improve engine start-up
• Eliminates rough idling and hesitation during acceleration
• Addresses check engine light codes related to ignition coil failure
• Improves fuel efficiency by ensuring complete combustion

Installation Notes and Tips

When installing the Denso 673-9201 ignition coil, ensure the engine is cool to prevent burns. Disconnect the battery before removal to avoid electrical shock. Carefully remove the old coil and inspect the spark plug for wear or damage. Install the new coil securely onto the spark plug, ensuring a firm connection. No additional hardware is required for installation. After installation, clear any diagnostic trouble codes and verify engine performance.

Quality Assurance and Warranty

Denso ignition coils are manufactured to meet strict quality standards and OEM specifications. While specific warranty details are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship. Using the Denso 673-9201 coil helps maintain the reliability and performance expected from your Mercedes-Benz ignition system.