Bosch 0221604040 Ignition Coil

Bosch Ignition Coil for Mercedes-Benz

Bosch ignition coil 0221604040 is a standard replacement compact coil-on-plug unit built for electronic ignition systems. It delivers the correct ignition voltage for consistent spark output, smoother engine operation, and cleaner combustion in supported Mercedes-Benz applications.

Compatible with select Mercedes-Benz E350, ML350, C300, C350, and GLE350 models, this Bosch ignition coil supports direct replacement service for common ignition performance concerns. The Bosch ignition coil line focuses on OE-quality fit and function for dependable engine ignition.

Key Features

• Bosch ignition coil, part number 0221604040
• Compact coil-on-plug design for engine-mounted installation
• Electronic ignition type
• 14-volt operation
• Standard replacement grade
• Female connector with 4 terminals and male terminals
• Bolt-in mount with 2 mounting holes
• No external resistor required
• No coil wire included
• No oil fill design

Detailed Description

This Bosch ignition coil 0221604040 is engineered as a compact coil type for engine mounting in vehicles using electronic ignition. By supplying the proper ignition voltage, it helps maintain a strong spark event, which supports stable idle quality, responsive acceleration, and reduced misfire risk. Bosch original equipment quality ignition coils are also associated with improved engine running conditions, lower fuel consumption, and reduced exhaust emissions when the ignition system is operating correctly.

This part cross-references Mercedes-Benz 2769065100 for the same application. It is a direct-fit style replacement for Mercedes-Benz E350, ML350, C300, C350, and GLE350 ignition coil service where the listed fitment matches the vehicle configuration.

What It Helps Address

• Engine misfire caused by weak or inconsistent spark
• Rough idle or uneven engine running
• Hard starting related to ignition coil failure
• Reduced throttle response from ignition breakdown
• Check engine light conditions tied to ignition performance

Installation Notes and Tips

Install on the engine in the original coil location and verify the connector, terminal count, and mounting style before replacement. Inspect spark plugs, wiring, and related ignition components during service, since worn plugs or damaged connectors can affect coil performance. Confirm vehicle fitment by year and model before ordering, especially on Mercedes-Benz E350, ML350, C300, C350, and GLE350 applications.

Quality Assurance

Bosch ignition coils are built to OE-quality standards for ignition voltage control and consistent spark delivery. This Bosch 0221604040 replacement coil is intended for dependable service in the listed Mercedes-Benz applications.