Bosch 0986221058 Ignition Coil

Reliable Ignition Coil Replacement for Mercedes-Benz Vehicles

The Bosch Ignition Coil (New) part number 0986221058 is designed to provide consistent ignition performance for a range of Mercedes-Benz models. Engineered as a pencil coil with a 14-volt rating, this ignition coil ensures efficient spark delivery for optimal engine operation.

• Voltage: 14 volts for stable ignition output
• Coil Type: Pencil coil design for direct fit and reliable performance
• Terminal Type: SAE terminal for secure electrical connection
• Package Contents: Includes one ignition coil
• Compatible with multiple Mercedes-Benz models including C230, E350, GL450, and SLK350

About the Bosch Ignition Coil (New) Product Line

The Bosch Ignition Coil (New) product line focuses on delivering ignition coils that meet or exceed OEM specifications. This line is engineered to provide precise voltage control and durability, making it suitable for modern ignition systems found in Mercedes-Benz vehicles. The 0986221058 ignition coil is part of this line, offering a pencil coil design that supports efficient spark generation and reliable engine performance.

Product Details and Specifications

This ignition coil operates at 14 volts and features a pencil coil type, which is designed to fit directly onto the spark plug for improved ignition efficiency. The SAE terminal type ensures a secure and standardized electrical connection. Each package contains one ignition coil, and typically, six units are required per vehicle for complete replacement. This part is compatible with a wide range of Mercedes-Benz models, including the C-Class (C230, C250, C280, C300, C350), E-Class (E350, E550), GL-Class (GL450, GL550), ML-Class (ML350, ML450, ML550), and others such as the SLK and CLS series.

Common Applications and Issues Addressed

• Replacement for faulty or worn ignition coils causing misfires
• Resolves rough idling and engine hesitation issues
• Improves starting reliability in Mercedes-Benz C230, E350, and GL450 models
• Addresses check engine light codes related to ignition coil failure
• Restores proper spark delivery for smoother engine performance

Installation Notes and Tips

When installing the Bosch ignition coil 0986221058, ensure the engine is cool and the ignition is off. Disconnect the battery before removal to prevent electrical shorts. Carefully remove the old coil and inspect the spark plug for wear. Install the new pencil coil by firmly seating it onto the spark plug and reconnecting the SAE terminal securely. It is recommended to replace all ignition coils simultaneously for balanced engine performance.

Quality Assurance and Warranty

Bosch ignition coils are manufactured to meet strict quality standards, ensuring durability and consistent performance. The Ignition Coil (New) line undergoes rigorous testing to comply with OEM requirements. While specific warranty details may vary, Bosch typically offers coverage against manufacturing defects to provide confidence in product reliability.