Bosch 0221504001 Ignition Coil

Bosch Ignition Coil for Mercedes-Benz V8 and V12 Engines

Bosch Ignition Coil (New) part number 0221504001 is an OE-quality pencil coil built for direct ignition performance in select Mercedes-Benz applications. It supports the correct ignition voltage, consistent spark delivery, and stable engine operation for vehicles such as the Mercedes-Benz S500, S600, and SL600.

Key Features

• OE-quality Bosch ignition coil for direct replacement use
• Pencil coil design for compact, cylinder-specific ignition systems
• 14-volt electrical specification
• SAE terminal type for proper connection fitment
• Supports long-duration spark output for steady combustion
• Helps maintain smoother engine operation and fuel efficiency
• Can contribute to lower exhaust emissions when the ignition system is functioning correctly

Product Details

Bosch Ignition Coil (New) 0221504001 is part of Bosch’s ignition coil line focused on original-equipment-style performance. This coil is engineered to deliver the correct ignition voltage and reliable spark energy needed by Mercedes-Benz engines that use individual pencil coils. For drivers searching for a Bosch ignition coil for Mercedes-Benz S420, S500, S600, SL500, SL600, CL600, or E420 applications, this part provides a direct-fit service replacement for the listed vehicles.

This part cross-references URO 0001587203 for the same application.

What It Helps Address

• Misfires caused by weak or inconsistent spark output
• Rough idle or uneven engine running
• Hard starting related to ignition coil wear
• Reduced fuel economy from incomplete combustion
• Increased tailpipe emissions from ignition system faults

Installation Notes and Tips

Verify the coil connector style, terminal type, and engine application before installation. This Bosch ignition coil 0221504001 is used in cylinder-specific ignition systems, so fitment should be matched to the exact Mercedes-Benz model and year listed. Inspect related ignition components, including spark plugs and wiring connectors, when replacing a failed coil to help confirm the root cause of the fault.

Quality Assurance

Bosch ignition coils are built to OE-quality standards and are intended to restore proper ignition voltage and spark performance in the specified Mercedes-Benz applications. The Bosch ignition coil line is developed for dependable operation in demanding engine environments.